Sanzhi weather in December
In December, Sanzhi sees average daytime highs of 20°C and overnight lows near 16°C, with 83 mm of rain across 12.9 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 19% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 30 min at the start of December to 10 h 24 min by month's end. Set against the rest of the year, December is Sanzhi's 9th-clearest and 1st-windiest month. For the whole year in context, see Sanzhi's year-round climate.
- Daytime high
- 20°
- 10th warmest
- Overnight low
- 16°
- 4th coldest
- Rainfall
- 83 mm
- 12.9 wet days
- Daylight
- 10 h 24 min
- 6:37 AM – 5:03 PM
- Cloud cover
- 73%
- 9th clearest
- Wind
- 21 km/h
- 1st windiest
- Solar energy
- 2.13 kWh/m²
- Travel score
- 5.6
- out of 10
Sanzhi is A district in New Taipei City, Taiwan.
- Density
- 355/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 21°C in the first days to 18°C by the end.
A typical December day in Sanzhi reaches about 20°C in the afternoon and slips back to 16°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, December runs about 3°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) | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 18 |
| 2 | 21 | 18 |
| 3 | 21 | 18 |
| 4 | 21 | 18 |
| 5 | 21 | 17 |
| 6 | 20 | 17 |
| 7 | 20 | 17 |
| 8 | 20 | 17 |
| 9 | 20 | 17 |
| 10 | 20 | 17 |
| 11 | 20 | 17 |
| 12 | 20 | 17 |
| 13 | 20 | 17 |
| 14 | 20 | 16 |
| 15 | 19 | 16 |
| 16 | 19 | 16 |
| 17 | 19 | 16 |
| 18 | 19 | 16 |
| 19 | 19 | 16 |
| 20 | 19 | 16 |
| 21 | 19 | 16 |
| 22 | 19 | 16 |
| 23 | 19 | 16 |
| 24 | 19 | 16 |
| 25 | 19 | 15 |
| 26 | 19 | 15 |
| 27 | 19 | 15 |
| 28 | 19 | 15 |
| 29 | 19 | 15 |
| 30 | 18 | 15 |
| 31 | 18 | 15 |
How December really feels in Sanzhi
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.
Sanzhi 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 | 18° / 14° | 78 | 13 | 10.6 | 5.1 |
| Feb | 18° / 14° | 96 | 12.6 | 11.1 | 5.2 |
| Mar | 20° / 16° | 113 | 14.3 | 11.8 | 5.5 |
| Apr | 24° / 19° | 120 | 13.3 | 12.6 | 6.1 |
| May | 27° / 23° | 157 | 13.7 | 13.2 | 5.8 |
| Jun | 29° / 25° | 158 | 13.4 | 13.5 | 4.5 |
| Jul | 31° / 27° | 111 | 11 | 13.4 | 4.3 |
| Aug | 31° / 27° | 187 | 14.3 | 12.9 | 4.2 |
| Sep | 29° / 25° | 169 | 14.2 | 12.2 | 5.1 |
| Oct | 26° / 23° | 130 | 12 | 11.4 | 6.4 |
| Nov | 23° / 20° | 100 | 12.6 | 10.8 | 6.2 |
| Dec | 20° / 16° | 83 | 12.9 | 10.5 | 5.6 |
Cloud cover in December
The sky is clear or mostly clear about 19% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 70%.
| 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 (%) | 32 | 32 | 32 | 32 | 30 | 30 | 30 | 30 | 30 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Cloudier (%) | 68 | 68 | 68 | 68 | 70 | 70 | 70 | 70 | 70 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 32 | 68 |
| 2 | 32 | 68 |
| 3 | 32 | 68 |
| 4 | 32 | 68 |
| 5 | 30 | 70 |
| 6 | 30 | 70 |
| 7 | 30 | 70 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 28 | 72 |
| 11 | 29 | 71 |
| 12 | 29 | 71 |
| 13 | 29 | 71 |
| 14 | 29 | 71 |
| 15 | 29 | 71 |
| 16 | 29 | 71 |
| 17 | 30 | 70 |
| 18 | 29 | 71 |
| 19 | 29 | 71 |
| 20 | 30 | 70 |
| 21 | 30 | 70 |
| 22 | 30 | 70 |
| 23 | 30 | 70 |
| 24 | 31 | 69 |
| 25 | 31 | 69 |
| 26 | 31 | 69 |
| 27 | 31 | 69 |
| 28 | 31 | 69 |
| 29 | 31 | 69 |
| 30 | 31 | 69 |
| 31 | 31 | 69 |
Chance of precipitation in December
Sanzhi gets around 83 mm of rain over 12.9 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 41% and peaks near 43% 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 (%) | 43 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 41 | 41 | 40 | 40 | 39 | 39 | 38 | 38 | 38 | 38 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 43 |
| 2 | 42 |
| 3 | 42 |
| 4 | 41 |
| 5 | 41 |
| 6 | 41 |
| 7 | 41 |
| 8 | 41 |
| 9 | 42 |
| 10 | 42 |
| 11 | 42 |
| 12 | 43 |
| 13 | 43 |
| 14 | 43 |
| 15 | 43 |
| 16 | 43 |
| 17 | 43 |
| 18 | 42 |
| 19 | 42 |
| 20 | 42 |
| 21 | 41 |
| 22 | 41 |
| 23 | 40 |
| 24 | 40 |
| 25 | 39 |
| 26 | 39 |
| 27 | 38 |
| 28 | 38 |
| 29 | 38 |
| 30 | 38 |
| 31 | 38 |
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 41% of days. Sticky, muggy-or-worse air turns up on roughly 9% 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 (%) | 27 | 28 | 29 | 30 | 32 | 32 | 33 | 34 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 47 | 48 | 49 | 50 | 50 | 50 | 51 | 51 | 51 | 51 |
| Comfortable (%) | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 |
| Humid (%) | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 18 |
| Muggy (%) | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
| Oppressive (%) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 27 | 23 | 30 | 19 | 2 |
| 2 | 28 | 24 | 29 | 18 | 1 |
| 3 | 29 | 24 | 28 | 17 | 1 |
| 4 | 30 | 25 | 28 | 16 | 1 |
| 5 | 32 | 26 | 27 | 15 | 1 |
| 6 | 32 | 27 | 27 | 14 | 1 |
| 7 | 33 | 27 | 26 | 13 | 1 |
| 8 | 34 | 28 | 26 | 12 | 0 |
| 9 | 35 | 28 | 26 | 11 | 0 |
| 10 | 36 | 28 | 26 | 10 | 0 |
| 11 | 36 | 28 | 26 | 10 | 0 |
| 12 | 37 | 28 | 26 | 9 | 0 |
| 13 | 38 | 28 | 26 | 8 | 0 |
| 14 | 38 | 28 | 26 | 8 | 0 |
| 15 | 39 | 28 | 26 | 8 | 0 |
| 16 | 40 | 27 | 26 | 7 | 0 |
| 17 | 41 | 27 | 26 | 7 | 0 |
| 18 | 42 | 27 | 25 | 6 | 0 |
| 19 | 43 | 26 | 25 | 6 | 0 |
| 20 | 44 | 26 | 25 | 6 | 0 |
| 21 | 45 | 25 | 24 | 5 | 0 |
| 22 | 47 | 25 | 23 | 5 | 0 |
| 23 | 48 | 25 | 23 | 5 | 0 |
| 24 | 49 | 25 | 22 | 4 | 0 |
| 25 | 50 | 25 | 21 | 4 | 0 |
| 26 | 50 | 26 | 20 | 4 | 0 |
| 27 | 50 | 26 | 20 | 4 | 0 |
| 28 | 51 | 27 | 19 | 3 | 0 |
| 29 | 51 | 27 | 19 | 3 | 0 |
| 30 | 51 | 27 | 19 | 3 | 0 |
| 31 | 51 | 28 | 18 | 3 | 0 |
Wind in December
Winds average 21 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 20 km/h on the calmest days to 21 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) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 21 | breezy |
| 2 | 21 | breezy |
| 3 | 21 | breezy |
| 4 | 21 | breezy |
| 5 | 21 | breezy |
| 6 | 21 | breezy |
| 7 | 21 | breezy |
| 8 | 21 | breezy |
| 9 | 21 | breezy |
| 10 | 21 | breezy |
| 11 | 21 | breezy |
| 12 | 21 | breezy |
| 13 | 21 | breezy |
| 14 | 21 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 21 | breezy |
| 19 | 21 | breezy |
| 20 | 21 | breezy |
| 21 | 21 | breezy |
| 22 | 21 | breezy |
| 23 | 21 | breezy |
| 24 | 21 | breezy |
| 25 | 20 | breezy |
| 26 | 20 | breezy |
| 27 | 20 | breezy |
| 28 | 20 | breezy |
| 29 | 20 | breezy |
| 30 | 20 | light breeze |
| 31 | 20 | light breeze |
Sunrise & sunset in December
Daylight runs from about 10 h 30 min at the start of December to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:28 AM to 6:44 AM, and sunset from 5:00 PM to 5:11 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) | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 |
| Sunrise (AM) | 6:28 | 6:28 | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 |
| Sunset (PM) | 5:00 | 5:00 | 5:00 | 5:00 | 5:00 | 5:01 | 5:01 | 5:01 | 5:01 | 5:01 | 5:02 | 5:02 | 5:02 | 5:03 | 5:03 | 5:03 | 5:04 | 5:04 | 5:04 | 5:05 | 5:05 | 5:06 | 5:06 | 5:07 | 5:07 | 5:08 | 5:08 | 5:09 | 5:09 | 5:10 | 5:11 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.5 | 6:28 | 5:00 |
| 2 | 10.5 | 6:28 | 5:00 |
| 3 | 10.5 | 6:29 | 5:00 |
| 4 | 10.5 | 6:30 | 5:00 |
| 5 | 10.5 | 6:30 | 5:00 |
| 6 | 10.5 | 6:31 | 5:01 |
| 7 | 10.5 | 6:32 | 5:01 |
| 8 | 10.5 | 6:32 | 5:01 |
| 9 | 10.5 | 6:33 | 5:01 |
| 10 | 10.5 | 6:34 | 5:01 |
| 11 | 10.5 | 6:34 | 5:02 |
| 12 | 10.5 | 6:35 | 5:02 |
| 13 | 10.4 | 6:35 | 5:02 |
| 14 | 10.4 | 6:36 | 5:03 |
| 15 | 10.4 | 6:37 | 5:03 |
| 16 | 10.4 | 6:37 | 5:03 |
| 17 | 10.4 | 6:38 | 5:04 |
| 18 | 10.4 | 6:38 | 5:04 |
| 19 | 10.4 | 6:39 | 5:04 |
| 20 | 10.4 | 6:39 | 5:05 |
| 21 | 10.4 | 6:40 | 5:05 |
| 22 | 10.4 | 6:40 | 5:06 |
| 23 | 10.4 | 6:41 | 5:06 |
| 24 | 10.4 | 6:41 | 5:07 |
| 25 | 10.4 | 6:42 | 5:07 |
| 26 | 10.4 | 6:42 | 5:08 |
| 27 | 10.4 | 6:42 | 5:08 |
| 28 | 10.4 | 6:43 | 5:09 |
| 29 | 10.4 | 6:43 | 5:09 |
| 30 | 10.4 | 6:43 | 5:10 |
| 31 | 10.4 | 6:44 | 5:11 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.13 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 6 kWh/m² in July across the year — December's 2.13 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) | 2.3 | 2.3 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.3 | 2.3 | 2.3 |
| 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 | 2.3 | Moderate |
| 2 | 2.3 | Moderate |
| 3 | 2.2 | Moderate |
| 4 | 2.2 | Moderate |
| 5 | 2.2 | Moderate |
| 6 | 2.2 | Moderate |
| 7 | 2.2 | Moderate |
| 8 | 2.1 | Moderate |
| 9 | 2.1 | Moderate |
| 10 | 2.1 | Moderate |
| 11 | 2.1 | Moderate |
| 12 | 2.1 | Moderate |
| 13 | 2.1 | Moderate |
| 14 | 2.1 | Moderate |
| 15 | 2.1 | Moderate |
| 16 | 2.1 | Moderate |
| 17 | 2.1 | Moderate |
| 18 | 2.1 | Moderate |
| 19 | 2.1 | Moderate |
| 20 | 2.1 | Moderate |
| 21 | 2.1 | Moderate |
| 22 | 2.2 | Moderate |
| 23 | 2.2 | Moderate |
| 24 | 2.2 | Moderate |
| 25 | 2.2 | Moderate |
| 26 | 2.2 | Moderate |
| 27 | 2.2 | Moderate |
| 28 | 2.2 | Moderate |
| 29 | 2.3 | Moderate |
| 30 | 2.3 | Moderate |
| 31 | 2.3 | Moderate |
Hazard calendar for Sanzhi
In December, Sanzhi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Sanzhi sits in the Pacific typhoon belt; the season peaks July–October.
Is December a good time to visit Sanzhi?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Sanzhi for sightseeing.
What to pack for Sanzhi in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Sanzhi sees daytime highs around 20°C and nights near 16°C. Worth packing: rain gear and a windbreaker. About 13 days see rain.
Sea temperature near Sanzhi in December
The nearest coast averages about 21°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 18 km away) is warmest in August at about 28°C and coldest in February near 19°C.
It's comfortable for a long swim from Mar 14 to Jan 1 — about 9.7 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 | 25 | 27 | 28 | 28 | 27 | 25 | 23 | 21 |
| Comfort | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 19 | Cool |
| Mar | 20 | Refreshing |
| Apr | 23 | Refreshing |
| May | 25 | Warm |
| Jun | 27 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 27 | Warm |
| Oct | 25 | Warm |
| Nov | 23 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Sanzhi in December
Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sanzhi peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 4 (moderate).
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) | 5 | 7 | 9 | 8 | 10 | 12 | 11 | 9 | 11 | 8 | 7 | 4 |
| Level | Moderate | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 4 | Moderate |
Air quality in Sanzhi 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 Sanzhi is worst in April — around 47 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (October, 20 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) | 29 | 36 | 44 | 47 | 42 | 42 | 34 | 28 | 24 | 20 | 25 | 25 |
| Level | Moderate | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 29 | Moderate |
| Feb | 36 | Poor |
| Mar | 44 | Poor |
| Apr | 47 | Poor |
| May | 42 | Poor |
| Jun | 42 | Poor |
| Jul | 34 | Moderate |
| Aug | 28 | Moderate |
| Sep | 24 | Moderate |
| Oct | 20 | Moderate |
| Nov | 25 | Moderate |
| Dec | 25 | Moderate |
Where is Sanzhi?
Sanzhi sits at 25.3°N, 121.5°E, 72 m above sea level, in Taiwan. The nearest listed city is Danshui, 11 km away.
Topography around Sanzhi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sanzhi.
Within 3 km, the terrain around Sanzhi has significant variations in elevation — a maximum elevation change of 300 m around an average of 82 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,106 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,425 m.
The land around Sanzhi is covered by trees (77%) within 3 km, water (56%) and trees (38%) within 16 km, and water (62%) and trees (30%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- 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 Sanzhi (25.2578°, 121.5018°, elevation 72 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).