San Tung Chung Hang weather in December
In December, San Tung Chung Hang sees average daytime highs of 20°C and overnight lows near 16°C, with 29 mm of rain across 3.8 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 42 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is San Tung Chung Hang's 3rd-clearest and 1st-windiest month. For the whole year in context, see San Tung Chung Hang's year-round climate.
- Daytime high
- 20°
- 10th warmest
- Overnight low
- 16°
- 3rd coldest
- Rainfall
- 29 mm
- 3.8 wet days
- Daylight
- 10 h 36 min
- 7:01 AM – 5:40 PM
- Cloud cover
- 46%
- 3rd clearest
- Wind
- 17 km/h
- 1st windiest
- Solar energy
- 3.41 kWh/m²
- Travel score
- 7.5
- out of 10
Temperature in December
Highs ease over the month, from about 22°C in the first days to 19°C by the end.
A typical December day in San Tung Chung Hang reaches about 20°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 |
| Avg low (°C) | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 18 |
| 2 | 22 | 17 |
| 3 | 22 | 17 |
| 4 | 22 | 17 |
| 5 | 22 | 17 |
| 6 | 21 | 17 |
| 7 | 21 | 17 |
| 8 | 21 | 17 |
| 9 | 21 | 16 |
| 10 | 21 | 16 |
| 11 | 21 | 16 |
| 12 | 21 | 16 |
| 13 | 21 | 16 |
| 14 | 20 | 16 |
| 15 | 20 | 16 |
| 16 | 20 | 15 |
| 17 | 20 | 15 |
| 18 | 20 | 15 |
| 19 | 20 | 15 |
| 20 | 20 | 15 |
| 21 | 20 | 15 |
| 22 | 20 | 15 |
| 23 | 20 | 15 |
| 24 | 20 | 15 |
| 25 | 20 | 15 |
| 26 | 20 | 15 |
| 27 | 20 | 15 |
| 28 | 20 | 15 |
| 29 | 19 | 15 |
| 30 | 19 | 15 |
| 31 | 19 | 15 |
How December really feels in San Tung Chung Hang
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Tung Chung Hang weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 14° | 24 | 4.1 | 10.8 | 7.0 |
| Feb | 20° / 15° | 34 | 6.4 | 11.2 | 6.5 |
| Mar | 22° / 18° | 58 | 9.4 | 11.8 | 6.5 |
| Apr | 25° / 21° | 107 | 12.7 | 12.5 | 6.1 |
| May | 28° / 25° | 209 | 17.9 | 13.1 | 4.7 |
| Jun | 30° / 27° | 302 | 22.5 | 13.3 | 3.4 |
| Jul | 31° / 27° | 247 | 21.2 | 13.2 | 3.4 |
| Aug | 31° / 27° | 312 | 22.7 | 12.8 | 3.3 |
| Sep | 30° / 26° | 204 | 16.6 | 12.1 | 4.3 |
| Oct | 28° / 24° | 70 | 6.7 | 11.5 | 6.9 |
| Nov | 24° / 20° | 34 | 4.7 | 10.9 | 8.0 |
| Dec | 20° / 16° | 29 | 3.8 | 10.7 | 7.5 |
Cloud cover in December
The sky is clear or mostly clear about 47% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 39%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 65 | 64 | 64 | 63 | 62 | 61 | 61 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 62 | 62 |
| Cloudier (%) | 35 | 36 | 36 | 37 | 38 | 39 | 39 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 38 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 64 | 36 |
| 3 | 64 | 36 |
| 4 | 63 | 37 |
| 5 | 62 | 38 |
| 6 | 61 | 39 |
| 7 | 61 | 39 |
| 8 | 59 | 41 |
| 9 | 59 | 41 |
| 10 | 59 | 41 |
| 11 | 59 | 41 |
| 12 | 59 | 41 |
| 13 | 59 | 41 |
| 14 | 59 | 41 |
| 15 | 59 | 41 |
| 16 | 59 | 41 |
| 17 | 59 | 41 |
| 18 | 59 | 41 |
| 19 | 60 | 40 |
| 20 | 60 | 40 |
| 21 | 60 | 40 |
| 22 | 61 | 39 |
| 23 | 61 | 39 |
| 24 | 61 | 39 |
| 25 | 62 | 38 |
| 26 | 62 | 38 |
| 27 | 62 | 38 |
| 28 | 62 | 38 |
| 29 | 62 | 38 |
| 30 | 62 | 38 |
| 31 | 62 | 38 |
Chance of precipitation in December
San Tung Chung Hang gets around 29 mm of rain over 3.8 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 13% and peaks near 14% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Rain chance (%) | |
|---|---|
| 1 | 14 |
| 2 | 14 |
| 3 | 14 |
| 4 | 14 |
| 5 | 13 |
| 6 | 13 |
| 7 | 13 |
| 8 | 13 |
| 9 | 13 |
| 10 | 13 |
| 11 | 13 |
| 12 | 14 |
| 13 | 14 |
| 14 | 14 |
| 15 | 13 |
| 16 | 13 |
| 17 | 13 |
| 18 | 13 |
| 19 | 13 |
| 20 | 13 |
| 21 | 12 |
| 22 | 12 |
| 23 | 12 |
| 24 | 12 |
| 25 | 11 |
| 26 | 11 |
| 27 | 11 |
| 28 | 11 |
| 29 | 11 |
| 30 | 11 |
| 31 | 11 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 41 | 43 | 45 | 46 | 48 | 49 | 50 | 51 | 53 | 54 | 54 | 54 | 56 | 56 | 56 | 56 | 56 | 57 | 56 | 58 | 58 | 58 | 58 | 57 | 58 | 58 | 58 | 57 | 56 | 57 | 56 |
| Comfortable (%) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 27 |
| Humid (%) | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 |
| Muggy (%) | 13 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 |
| Oppressive (%) | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 41 | 20 | 21 | 13 | 4 |
| 2 | 43 | 20 | 21 | 13 | 4 |
| 3 | 45 | 20 | 20 | 12 | 3 |
| 4 | 46 | 20 | 20 | 11 | 3 |
| 5 | 48 | 20 | 19 | 10 | 3 |
| 6 | 49 | 20 | 19 | 9 | 3 |
| 7 | 50 | 20 | 19 | 8 | 3 |
| 8 | 51 | 20 | 19 | 7 | 3 |
| 9 | 53 | 20 | 19 | 6 | 2 |
| 10 | 54 | 20 | 19 | 5 | 2 |
| 11 | 54 | 20 | 19 | 5 | 2 |
| 12 | 54 | 20 | 19 | 5 | 2 |
| 13 | 56 | 20 | 19 | 4 | 1 |
| 14 | 56 | 20 | 19 | 4 | 1 |
| 15 | 56 | 20 | 19 | 4 | 1 |
| 16 | 56 | 20 | 19 | 4 | 1 |
| 17 | 56 | 20 | 19 | 4 | 1 |
| 18 | 57 | 20 | 18 | 4 | 0 |
| 19 | 56 | 21 | 18 | 5 | 0 |
| 20 | 58 | 21 | 17 | 4 | 0 |
| 21 | 58 | 22 | 16 | 4 | 0 |
| 22 | 58 | 22 | 16 | 4 | 0 |
| 23 | 58 | 23 | 15 | 4 | 0 |
| 24 | 57 | 24 | 15 | 4 | 0 |
| 25 | 58 | 24 | 14 | 4 | 0 |
| 26 | 58 | 25 | 14 | 3 | 0 |
| 27 | 58 | 25 | 14 | 3 | 0 |
| 28 | 57 | 26 | 14 | 3 | 0 |
| 29 | 56 | 27 | 14 | 3 | 0 |
| 30 | 57 | 27 | 14 | 2 | 0 |
| 31 | 56 | 27 | 15 | 2 | 0 |
Wind in December
Winds average 17 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in December
Daylight runs from about 10 h 42 min at the start of December to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:52 AM to 7:08 AM, and sunset from 5:36 PM to 5:47 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.7 | 10.7 |
| Sunrise (AM) | 6:52 | 6:53 | 6:53 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:57 | 6:58 | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:01 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 | 7:05 | 7:05 | 7:06 | 7:06 | 7:07 | 7:07 | 7:07 | 7:08 |
| Sunset (PM) | 5:36 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:46 | 5:46 | 5:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.7 | 6:52 | 5:36 |
| 2 | 10.7 | 6:53 | 5:36 |
| 3 | 10.7 | 6:53 | 5:36 |
| 4 | 10.7 | 6:54 | 5:36 |
| 5 | 10.7 | 6:55 | 5:37 |
| 6 | 10.7 | 6:55 | 5:37 |
| 7 | 10.7 | 6:56 | 5:37 |
| 8 | 10.7 | 6:56 | 5:37 |
| 9 | 10.7 | 6:57 | 5:37 |
| 10 | 10.7 | 6:58 | 5:38 |
| 11 | 10.7 | 6:58 | 5:38 |
| 12 | 10.7 | 6:59 | 5:38 |
| 13 | 10.7 | 6:59 | 5:39 |
| 14 | 10.7 | 7:00 | 5:39 |
| 15 | 10.6 | 7:01 | 5:39 |
| 16 | 10.6 | 7:01 | 5:40 |
| 17 | 10.6 | 7:02 | 5:40 |
| 18 | 10.6 | 7:02 | 5:41 |
| 19 | 10.6 | 7:03 | 5:41 |
| 20 | 10.6 | 7:03 | 5:41 |
| 21 | 10.6 | 7:04 | 5:42 |
| 22 | 10.6 | 7:04 | 5:42 |
| 23 | 10.6 | 7:05 | 5:43 |
| 24 | 10.6 | 7:05 | 5:43 |
| 25 | 10.6 | 7:05 | 5:44 |
| 26 | 10.6 | 7:06 | 5:44 |
| 27 | 10.6 | 7:06 | 5:45 |
| 28 | 10.6 | 7:07 | 5:45 |
| 29 | 10.6 | 7:07 | 5:46 |
| 30 | 10.7 | 7:07 | 5:46 |
| 31 | 10.7 | 7:08 | 5:47 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 3.41 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.67 kWh/m² in July across the year — December's 3.41 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.6 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.6 | Moderate |
| 2 | 3.5 | Moderate |
| 3 | 3.5 | Moderate |
| 4 | 3.5 | Moderate |
| 5 | 3.5 | Moderate |
| 6 | 3.5 | Moderate |
| 7 | 3.4 | Moderate |
| 8 | 3.4 | Moderate |
| 9 | 3.4 | Moderate |
| 10 | 3.4 | Moderate |
| 11 | 3.4 | Moderate |
| 12 | 3.4 | Moderate |
| 13 | 3.4 | Moderate |
| 14 | 3.4 | Moderate |
| 15 | 3.4 | Moderate |
| 16 | 3.4 | Moderate |
| 17 | 3.4 | Moderate |
| 18 | 3.4 | Moderate |
| 19 | 3.4 | Moderate |
| 20 | 3.4 | Moderate |
| 21 | 3.4 | Moderate |
| 22 | 3.4 | Moderate |
| 23 | 3.5 | Moderate |
| 24 | 3.5 | Moderate |
| 25 | 3.5 | Moderate |
| 26 | 3.5 | Moderate |
| 27 | 3.5 | Moderate |
| 28 | 3.5 | Moderate |
| 29 | 3.5 | Moderate |
| 30 | 3.5 | Moderate |
| 31 | 3.5 | Moderate |
Hazard calendar for San Tung Chung Hang
In December, San Tung Chung Hang sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
San Tung Chung Hang sits in the Pacific typhoon belt; the season peaks July–October.
San Tung Chung Hang's monsoon runs May–September, when most of the year's rain falls.
Is December a good time to visit San Tung Chung Hang?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit San Tung Chung Hang for general sightseeing.
What to pack for San Tung Chung Hang in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, San Tung Chung Hang sees daytime highs around 20°C and nights near 16°C. Little to plan around — just the basics. About 4 days see rain.
Sea temperature near San Tung Chung Hang in December
The nearest coast averages about 20°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in August at about 29°C and coldest in February near 19°C.
It's comfortable for a long swim from Mar 18 to Dec 18 — about 9.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 19 | 20 | 23 | 26 | 28 | 29 | 29 | 28 | 27 | 24 | 20 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 19 | Cool |
| Mar | 20 | Cool |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 27 | Warm |
| Nov | 24 | Refreshing |
| Dec | 20 | Refreshing |
UV index in San Tung Chung Hang in December
Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Tung Chung Hang peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 9 | 9 | 10 | 12 | 12 | 11 | 10 | 8 | 7 | 6 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in San Tung Chung Hang in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in San Tung Chung Hang is worst in January — around 183 µg/m³ PM2.5 (very unhealthy), about 2.5× the cleanest month (July, 73 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 183 | 175 | 165 | 149 | 115 | 83 | 73 | 85 | 119 | 127 | 157 | 156 |
| Level | Very unhealthy | Very unhealthy | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 183 | Very unhealthy |
| Feb | 175 | Very unhealthy |
| Mar | 165 | Very unhealthy |
| Apr | 149 | Unhealthy |
| May | 115 | Unhealthy |
| Jun | 83 | Unhealthy |
| Jul | 73 | Unhealthy |
| Aug | 85 | Unhealthy |
| Sep | 119 | Unhealthy |
| Oct | 127 | Unhealthy |
| Nov | 157 | Very unhealthy |
| Dec | 156 | Very unhealthy |
Where is San Tung Chung Hang?
San Tung Chung Hang sits at 22.3°N, 113.9°E, 33 m above sea level, in Hong Kong. The nearest listed city is Tung Chung, 1.0 km away.
Topography around San Tung Chung Hang
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Tung Chung Hang.
Within 3 km, the terrain around San Tung Chung Hang has large variations in elevation — a maximum elevation change of 855 m around an average of 208 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 913 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.
The land around San Tung Chung Hang is covered by trees (70%) within 3 km, water (69%) and trees (23%) within 16 km, and water (61%) and trees (21%) within 80 km.
Hong Kong travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 220 V · 50 Hz
- Prices
- ≈ 71% of US
- price level, 2025
- GDP per capita
- $56,983
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.4
- per 100k, 2023
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 538
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Tung Chung Hang (22.2787°, 113.9431°, elevation 33 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).