Thị Trấn Đầm Hà weather in December
In December, Thị Trấn Đầm Hà sees average daytime highs of 19°C and overnight lows near 16°C, with 62 mm of rain across 9.9 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 12th-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 33% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Thị Trấn Đầm Hà's 3rd-clearest and 1st-windiest month. For the whole year in context, see Thị Trấn Đầm Hà's year-round climate.
- Daytime high
- 19°
- 10th warmest
- Overnight low
- 16°
- 3rd coldest
- Rainfall
- 62 mm
- 9.9 wet days
- Daylight
- 10 h 42 min
- 6:25 AM – 5:07 PM
- Cloud cover
- 60%
- 3rd clearest
- Wind
- 15 km/h
- 1st windiest
- Solar energy
- 2.91 kWh/m²
- Travel score
- 6.2
- out of 10
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 Thị Trấn Đầm Hà reaches about 19°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 22°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) | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 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 | 16 |
| 14 | 19 | 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 | 16 |
| 26 | 19 | 16 |
| 27 | 18 | 15 |
| 28 | 18 | 15 |
| 29 | 18 | 15 |
| 30 | 18 | 15 |
| 31 | 18 | 15 |
How December really feels in Thị Trấn Đầm Hà
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.
Thị Trấn Đầm Hà weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 15° | 86 | 14.2 | 10.8 | 5.0 |
| Feb | 18° / 16° | 66 | 13.1 | 11.3 | 5.2 |
| Mar | 21° / 18° | 91 | 15.6 | 11.8 | 5.3 |
| Apr | 24° / 22° | 80 | 13.3 | 12.5 | 6.1 |
| May | 27° / 25° | 213 | 18.9 | 13 | 5.0 |
| Jun | 29° / 27° | 320 | 23.6 | 13.3 | 3.5 |
| Jul | 29° / 27° | 424 | 25 | 13.2 | 3.4 |
| Aug | 29° / 26° | 416 | 25 | 12.7 | 3.5 |
| Sep | 29° / 26° | 276 | 19.2 | 12.1 | 4.5 |
| Oct | 27° / 24° | 109 | 11.1 | 11.5 | 6.7 |
| Nov | 23° / 20° | 68 | 9.5 | 11 | 7.0 |
| Dec | 19° / 16° | 62 | 9.9 | 10.7 | 6.2 |
Cloud cover in December
The sky is clear or mostly clear about 33% 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 56%.
| 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 (%) | 52 | 51 | 50 | 48 | 47 | 46 | 45 | 44 | 43 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 44 | 42 | 41 | 41 |
| Cloudier (%) | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 56 | 57 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 56 | 58 | 59 | 59 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 51 | 49 |
| 3 | 50 | 50 |
| 4 | 48 | 52 |
| 5 | 47 | 53 |
| 6 | 46 | 54 |
| 7 | 45 | 55 |
| 8 | 44 | 56 |
| 9 | 43 | 57 |
| 10 | 41 | 59 |
| 11 | 41 | 59 |
| 12 | 41 | 59 |
| 13 | 41 | 59 |
| 14 | 42 | 58 |
| 15 | 42 | 58 |
| 16 | 42 | 58 |
| 17 | 43 | 57 |
| 18 | 43 | 57 |
| 19 | 43 | 57 |
| 20 | 44 | 56 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 44 | 56 |
| 24 | 44 | 56 |
| 25 | 44 | 56 |
| 26 | 45 | 55 |
| 27 | 45 | 55 |
| 28 | 44 | 56 |
| 29 | 42 | 58 |
| 30 | 41 | 59 |
| 31 | 41 | 59 |
Chance of precipitation in December
Thị Trấn Đầm Hà gets around 62 mm of rain over 9.9 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 33% and peaks near 37% 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 (%) | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 35 | 36 | 37 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 32 |
| 3 | 32 |
| 4 | 33 |
| 5 | 33 |
| 6 | 33 |
| 7 | 33 |
| 8 | 33 |
| 9 | 33 |
| 10 | 33 |
| 11 | 33 |
| 12 | 33 |
| 13 | 33 |
| 14 | 32 |
| 15 | 32 |
| 16 | 32 |
| 17 | 32 |
| 18 | 32 |
| 19 | 32 |
| 20 | 32 |
| 21 | 32 |
| 22 | 32 |
| 23 | 32 |
| 24 | 32 |
| 25 | 32 |
| 26 | 33 |
| 27 | 33 |
| 28 | 34 |
| 29 | 35 |
| 30 | 36 |
| 31 | 37 |
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 47% of days. Sticky, muggy-or-worse air turns up on roughly 13% 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 (%) | 35 | 36 | 37 | 38 | 39 | 41 | 42 | 43 | 44 | 46 | 47 | 48 | 49 | 50 | 50 | 50 | 50 | 51 | 53 | 52 | 53 | 53 | 52 | 53 | 52 | 51 | 50 | 51 | 49 | 48 | 48 |
| Comfortable (%) | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 |
| Humid (%) | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 22 |
| Muggy (%) | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 |
| Oppressive (%) | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 35 | 22 | 21 | 16 | 6 |
| 2 | 36 | 22 | 21 | 15 | 6 |
| 3 | 37 | 23 | 20 | 15 | 5 |
| 4 | 38 | 23 | 19 | 14 | 5 |
| 5 | 39 | 24 | 18 | 14 | 5 |
| 6 | 41 | 24 | 17 | 13 | 4 |
| 7 | 42 | 24 | 17 | 13 | 4 |
| 8 | 43 | 25 | 16 | 13 | 4 |
| 9 | 44 | 25 | 15 | 13 | 3 |
| 10 | 46 | 24 | 15 | 12 | 3 |
| 11 | 47 | 24 | 14 | 12 | 2 |
| 12 | 48 | 24 | 14 | 12 | 2 |
| 13 | 49 | 23 | 14 | 12 | 2 |
| 14 | 50 | 23 | 14 | 13 | 1 |
| 15 | 50 | 22 | 14 | 13 | 1 |
| 16 | 50 | 22 | 14 | 13 | 1 |
| 17 | 50 | 22 | 14 | 13 | 1 |
| 18 | 51 | 22 | 14 | 12 | 1 |
| 19 | 53 | 21 | 14 | 12 | 0 |
| 20 | 52 | 21 | 15 | 12 | 0 |
| 21 | 53 | 21 | 15 | 11 | 0 |
| 22 | 53 | 22 | 15 | 10 | 0 |
| 23 | 52 | 22 | 16 | 10 | 0 |
| 24 | 53 | 22 | 16 | 9 | 0 |
| 25 | 52 | 22 | 17 | 9 | 0 |
| 26 | 51 | 23 | 18 | 8 | 0 |
| 27 | 50 | 23 | 19 | 8 | 0 |
| 28 | 51 | 23 | 19 | 7 | 0 |
| 29 | 49 | 23 | 20 | 7 | 0 |
| 30 | 48 | 23 | 21 | 7 | 0 |
| 31 | 48 | 23 | 22 | 7 | 0 |
Wind in December
Winds average 15 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 14 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| 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 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
| 31 | 14 | light breeze |
Sunrise & sunset in December
Daylight runs from about 10 h 48 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 shrink by about 6 minutes over December. Sunrise moves from 6:16 AM to 6:31 AM, and sunset from 5:03 PM to 5:14 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) | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 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 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 |
| Sunrise (AM) | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 |
| Sunset (PM) | 5:03 | 5:03 | 5:03 | 5:04 | 5:04 | 5:04 | 5:04 | 5:04 | 5:05 | 5:05 | 5:05 | 5:06 | 5:06 | 5:06 | 5:07 | 5:07 | 5:07 | 5:08 | 5:08 | 5:09 | 5:09 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.8 | 6:16 | 5:03 |
| 2 | 10.8 | 6:16 | 5:03 |
| 3 | 10.8 | 6:17 | 5:03 |
| 4 | 10.8 | 6:17 | 5:04 |
| 5 | 10.8 | 6:18 | 5:04 |
| 6 | 10.8 | 6:19 | 5:04 |
| 7 | 10.7 | 6:19 | 5:04 |
| 8 | 10.7 | 6:20 | 5:04 |
| 9 | 10.7 | 6:21 | 5:05 |
| 10 | 10.7 | 6:21 | 5:05 |
| 11 | 10.7 | 6:22 | 5:05 |
| 12 | 10.7 | 6:22 | 5:06 |
| 13 | 10.7 | 6:23 | 5:06 |
| 14 | 10.7 | 6:23 | 5:06 |
| 15 | 10.7 | 6:24 | 5:07 |
| 16 | 10.7 | 6:25 | 5:07 |
| 17 | 10.7 | 6:25 | 5:07 |
| 18 | 10.7 | 6:26 | 5:08 |
| 19 | 10.7 | 6:26 | 5:08 |
| 20 | 10.7 | 6:27 | 5:09 |
| 21 | 10.7 | 6:27 | 5:09 |
| 22 | 10.7 | 6:28 | 5:10 |
| 23 | 10.7 | 6:28 | 5:10 |
| 24 | 10.7 | 6:29 | 5:11 |
| 25 | 10.7 | 6:29 | 5:11 |
| 26 | 10.7 | 6:29 | 5:12 |
| 27 | 10.7 | 6:30 | 5:12 |
| 28 | 10.7 | 6:30 | 5:13 |
| 29 | 10.7 | 6:31 | 5:13 |
| 30 | 10.7 | 6:31 | 5:14 |
| 31 | 10.7 | 6:31 | 5:14 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.91 kWh/m².
For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 4.89 kWh/m² in May across the year — December's 2.91 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) | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 |
| 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 | 3.1 | Moderate |
| 2 | 3.0 | Moderate |
| 3 | 3.0 | Moderate |
| 4 | 3.0 | Moderate |
| 5 | 3.0 | Moderate |
| 6 | 3.0 | Moderate |
| 7 | 2.9 | Moderate |
| 8 | 2.9 | Moderate |
| 9 | 2.9 | Moderate |
| 10 | 2.9 | Moderate |
| 11 | 2.9 | Moderate |
| 12 | 2.9 | Moderate |
| 13 | 2.9 | Moderate |
| 14 | 2.9 | Moderate |
| 15 | 2.9 | Moderate |
| 16 | 2.9 | Moderate |
| 17 | 2.9 | Moderate |
| 18 | 2.9 | Moderate |
| 19 | 2.9 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.9 | Moderate |
| 25 | 2.9 | Moderate |
| 26 | 2.9 | Moderate |
| 27 | 2.9 | Moderate |
| 28 | 2.9 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 2.8 | Moderate |
| 31 | 2.8 | Moderate |
Hazard calendar for Thị Trấn Đầm Hà
In December, Thị Trấn Đầm Hà sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Thị Trấn Đầm Hà sits in the Pacific typhoon belt; the season peaks July–October.
Thị Trấn Đầm Hà's monsoon runs May–September, when most of the year's rain falls.
Is December a good time to visit Thị Trấn Đầm Hà?
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 Thị Trấn Đầm Hà for sightseeing.
What to pack for Thị Trấn Đầm Hà in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Thị Trấn Đầm Hà sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear. About 10 days see rain.
Sea temperature near Thị Trấn Đầm Hà 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 26 km away) is warmest in August at about 30°C and coldest in February near 19°C.
It's comfortable for a long swim from Mar 15 to Jan 4 — 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 | 27 | 29 | 29 | 30 | 29 | 28 | 25 | 21 |
| Comfort | Cool | Cool | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 19 | Cool |
| Mar | 20 | Refreshing |
| Apr | 23 | Refreshing |
| May | 27 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Warm |
| Nov | 25 | Warm |
| Dec | 21 | Refreshing |
UV index in Thị Trấn Đầm Hà 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 Thị Trấn Đầm Hà peaks around July 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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) | 7 | 8 | 9 | 8 | 10 | 12 | 12 | 9 | 10 | 9 | 7 | 6 |
| Level | High | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Thị Trấn Đầm Hà 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 Thị Trấn Đầm Hà is worst in January — around 42 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (July, 16 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) | 42 | 42 | 41 | 40 | 26 | 19 | 16 | 18 | 21 | 27 | 29 | 39 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 42 | Poor |
| Feb | 42 | Poor |
| Mar | 41 | Poor |
| Apr | 40 | Poor |
| May | 26 | Moderate |
| Jun | 19 | Moderate |
| Jul | 16 | Moderate |
| Aug | 18 | Moderate |
| Sep | 21 | Moderate |
| Oct | 27 | Moderate |
| Nov | 29 | Moderate |
| Dec | 39 | Poor |
Where is Thị Trấn Đầm Hà?
Thị Trấn Đầm Hà sits at 21.4°N, 107.6°E, 19 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Tiên Yên, 20 km away.
Topography around Thị Trấn Đầm Hà
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Đầm Hà.
Within 3 km, the terrain around Thị Trấn Đầm Hà has only modest variations in elevation — a maximum elevation change of 58 m around an average of 17 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,238 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,582 m.
The land around Thị Trấn Đầm Hà is covered by trees (51%) and cropland (36%) within 3 km, trees (44%) and water (41%) within 16 km, and trees (55%) and water (40%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- 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 Thị Trấn Đầm Hà (21.3531°, 107.5972°, elevation 19 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).