Thị Trấn Đông Triều weather in December

In December, Thị Trấn Đông Triều sees average daytime highs of 22°C and overnight lows near 16°C, with 31 mm of rain across 5.9 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 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 26% 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 Đông Triều's 3rd-clearest and 8th-windiest month. For the whole year in context, see Thị Trấn Đông Triều's year-round climate.

Daytime high
22°
10th warmest
Overnight low
16°
2nd coldest
Rainfall
31 mm
5.9 wet days
Daylight
10 h 42 min
6:28 AM – 5:12 PM
Cloud cover
64%
3rd clearest
Wind
9 km/h
8th windiest
Solar energy
2.68 kWh/m²
Travel score
7.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical December day in Thị Trấn Đông Triều reaches about 22°C in the afternoon and slips back to 16°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22317
32317
42317
52317
62316
72316
82216
92216
102216
112216
122216
132216
142215
152215
162215
172215
182215
192215
202115
212115
222115
232115
242115
252115
262115
272115
282115
292115
302115
312115

How December really feels in Thị Trấn Đông Triều

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.

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

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 Đông Triều 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°326.510.96.4
Feb21° / 16°206.311.36.5
Mar24° / 19°459.411.96.5
Apr28° / 22°7511.512.55.5
May31° / 25°24119.2133.4
Jun33° / 27°24220.713.32.5
Jul33° / 27°26922.913.22.5
Aug32° / 26°35425.612.72.5
Sep31° / 25°23620.212.13.3
Oct29° / 23°10812.411.55.3
Nov26° / 19°557.4117.0
Dec22° / 16°315.910.77.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44060
54060
63961
73961
83961
93862
103862
113862
123763
133862
143961
153961
164060
174060
183961
193961
203961
214060
224060
234060
243961
253862
263763
273664
283565
293466
303268
313070

Chance of precipitation in December

Any precipitation

Thị Trấn Đông Triều gets around 31 mm of rain over 5.9 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 19% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
223
322
422
522
621
721
821
920
1020
1119
1219
1318
1418
1518
1618
1718
1818
1918
2018
2118
2218
2318
2418
2518
2618
2719
2819
2919
3020
3120

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13121211891
23221201791
33322201781
43522201670
53622191670
63722191570
73823181560
84023181460
94123171450
104222171350
114322161350
124521161350
134621161340
144620161340
154720161340
164720161340
174820161340
184820161240
194819161240
204920161240
214920161240
224920171130
234920171130
244920181130
254820191130
264820191120
274720201120
284720211110
294619221210
304619221210
314519221310

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

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 6:19 AM to 6:35 AM, and sunset from 5:08 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:195:08
210.86:205:08
310.86:215:08
410.86:215:08
510.86:225:09
610.86:235:09
710.86:235:09
810.86:245:09
910.86:245:10
1010.76:255:10
1110.76:265:10
1210.76:265:10
1310.76:275:11
1410.76:275:11
1510.76:285:11
1610.76:285:12
1710.76:295:12
1810.76:295:13
1910.76:305:13
2010.76:305:14
2110.76:315:14
2210.76:315:14
2310.76:325:15
2410.76:325:15
2510.76:335:16
2610.76:335:16
2710.76:345:17
2810.76:345:17
2910.76:345:18
3010.76:355:19
3110.76:355:19

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.68 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 4.98 kWh/m² in June across the year — December's 2.68 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.8Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Thị Trấn Đông Triều

In seasonPeak

In December, Thị Trấn Đông Triều sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Thị Trấn Đông Triều sits in the Pacific typhoon belt; the season peaks July–October.

Thị Trấn Đông Triều'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 December a good time to visit Thị Trấn Đông Triều?

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

7.1
Sightseeing
1st-best month of the year
4.9
Beach & pool
7th-best month of the year

December is one of the better times to visit Thị Trấn Đông Triều for general sightseeing.

What to pack for Thị Trấn Đông Triều in December

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

In December, Thị Trấn Đông Triều sees daytime highs around 22°C and nights near 16°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Thị Trấn Đông Triều in December

The nearest coast averages about 23°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 52 km away) is warmest in August at about 30°C and coldest in February near 20°C.

It's comfortable for a long swim from Feb 24 to Feb 2 — about 11.3 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Cool
Mar21Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Tropical
Nov26Warm
Dec23Refreshing

UV index in Thị Trấn Đông Triều in December

LowModerateHighVery highExtreme

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 Đông Triều peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highHighJun 21UV 11Dec 15UV 6
UV index (midday)Level
Jan7High
Feb7Very high
Mar8Very high
Apr7High
May9Very high
Jun12Extreme
Jul11Extreme
Aug8Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Thị Trấn Đông Triều in December

GoodModeratePoorUnhealthyVery unhealthy

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 Đông Triều is worst in December — around 92 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 35 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 2192 µg/m³Jul 1335 µg/m³
PM2.5 (µg/m³)Level
Jan90Unhealthy
Feb80Unhealthy
Mar76Unhealthy
Apr66Unhealthy
May49Poor
Jun37Poor
Jul35Moderate
Aug40Poor
Sep59Unhealthy
Oct74Unhealthy
Nov82Unhealthy
Dec92Unhealthy
Location & terrain

Where is Thị Trấn Đông Triều?

Thị Trấn Đông Triều sits at 21.1°N, 106.5°E, 5 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Mạo Khê, 9.0 km away.

Topography around Thị Trấn Đông Triều

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Đông Triều.

Within 3 km, the terrain around Thị Trấn Đông Triều has only modest variations in elevation — a maximum elevation change of 102 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 923 m; within 80 km, large variations in elevation — a maximum elevation change of 1,144 m.

The land around Thị Trấn Đông Triều is covered by cropland (48%) and trees (20%) within 3 km, trees (48%) and cropland (30%) within 16 km, and trees (47%) and cropland (26%) within 80 km.

3 km
102 m
16 km
923 m
80 km
1,144 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Thị Trấn Mạo Khê 9.0 km · Chí Linh 21 km · Hải Dương 24 km · Thành Phố Uông Bí 27 km · Haiphong 30 km · Chũ 33 km · Kiến An 33 km · Cung Kiệm 38 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 Đông Triều (21.0824°, 106.5138°, elevation 5 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).