Thị Trấn Đầm Hà weather in January

In January, Thị Trấn Đầm Hà sees average daytime highs of 17°C and overnight lows near 15°C, with 86 mm of rain across 14.2 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of January to 11 hours by month's end. Set against the rest of the year, January is Thị Trấn Đầm Hà's 7th-clearest and 4th-windiest month. For the whole year in context, see Thị Trấn Đầm Hà's year-round climate.

Daytime high
17°
12th warmest
Overnight low
15°
1st coldest
Rainfall
86 mm
14.2 wet days
Daylight
10 h 48 min
6:34 AM – 5:24 PM
Cloud cover
72%
7th clearest
Wind
13 km/h
4th windiest
Solar energy
2.61 kWh/m²
Travel score
5.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical January day in Thị Trấn Đầm Hà reaches about 17°C in the afternoon and slips back to 15°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11815
21815
31815
41815
51815
61815
71815
81815
91815
101815
111815
121815
131815
141715
151715
161715
171715
181715
191715
201715
211714
221714
231714
241714
251714
261714
271714
281714
291715
301715
311715

How January really feels in Thị Trấn Đầm Hà

Once humidity and wind are folded in, January 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.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 15°8614.210.85.0
Feb18° / 16°6613.111.35.2
Mar21° / 18°9115.611.85.3
Apr24° / 22°8013.312.56.1
May27° / 25°21318.9135.0
Jun29° / 27°32023.613.33.5
Jul29° / 27°4242513.23.4
Aug29° / 26°4162512.73.5
Sep29° / 26°27619.212.14.5
Oct27° / 24°10911.111.56.7
Nov23° / 20°689.5117.0
Dec19° / 16°629.910.76.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23862
33763
43664
53565
63466
73268
83169
93070
103070
112872
122773
132773
142773
152674
162674
172674
182674
192575
202575
212575
222674
232674
242674
252773
262773
272773
282971
292971
302971
312971

Chance of precipitation in January

Any precipitation

Thị Trấn Đầm Hà gets around 86 mm of rain over 14.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
238
339
440
541
642
743
844
944
1045
1146
1246
1347
1447
1547
1648
1748
1848
1948
2048
2148
2248
2347
2447
2546
2646
2746
2845
2945
3044
3144

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14723237
24722237
34721238
44721248
54820248
64819248
74819248
84918249
94918249
104918239
115018239
125118229
135118229
145119219
155219218
165319208
175319208
185220208
195320198
205420197
215420197
225320207
235320207
245419207
255319217
265319217
275319217
285418217
295319217
305119228
315119228

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 42 min at the start of January to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:31 AM to 6:32 AM, and sunset from 5:14 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:315:14
210.76:315:15
310.76:325:16
410.76:325:16
510.76:325:17
610.76:335:17
710.86:335:18
810.86:335:19
910.86:335:19
1010.86:335:20
1110.86:345:21
1210.86:345:21
1310.86:345:22
1410.86:345:23
1510.86:345:23
1610.86:345:24
1710.86:345:24
1810.96:345:25
1910.96:345:26
2010.96:345:26
2110.96:345:27
2210.96:345:28
2310.96:345:28
2410.96:345:29
2510.96:345:30
2611.06:335:30
2711.06:335:31
2811.06:335:32
2911.06:335:32
3011.06:335:33
3111.06:325:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.61 kWh/m² — the year's lowest.

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 — January's 2.61 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.8Moderate
312.8Moderate
Planning a trip in January

Hazard calendar for Thị Trấn Đầm Hà

In seasonPeak

In January, 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.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Thị Trấn Đầm Hà?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.0
Sightseeing
7th-best month of the year
1.5
Beach & pool
12th-best month of the year

January is a reasonable time to visit Thị Trấn Đầm Hà for sightseeing.

What to pack for Thị Trấn Đầm Hà in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Thị Trấn Đầm Hà sees daytime highs around 17°C and nights near 15°C. Pack rain gear. About 14 days see rain.

rain gear

Sea temperature near Thị Trấn Đầm Hà in January

The nearest coast averages about 19°C in January — 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.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov25Warm
Dec21Refreshing

UV index in Thị Trấn Đầm Hà in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 7 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 11UV 12Dec 19UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug9Very high
Sep10Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Thị Trấn Đầm Hà in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 2342 µg/m³Jul 1716 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb42Poor
Mar41Poor
Apr40Poor
May26Moderate
Jun19Moderate
Jul16Moderate
Aug18Moderate
Sep21Moderate
Oct27Moderate
Nov29Moderate
Dec39Poor
Location & terrain

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.

3 km
58 m
16 km
1,238 m
80 km
1,582 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Thị Trấn Tiên Yên 20 km · Thị Trấn Ba Chẽ 34 km · Móng Cái 43 km · Cẩm Phả Mines 48 km · Cẩm Phả 51 km · Ha Long 70 km · Thị Trấn Na Dương 77 km · Cát Bà 90 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
none 86%Catholic 6%Buddhist 6%Protestant 1%

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).