Chí Linh weather in December

In December, Chí Linh sees average daytime highs of 22°C and overnight lows near 16°C, with 34 mm of rain across 6.7 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 25% 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 Chí Linh's 3rd-clearest and 8th-windiest month. For the whole year in context, see Chí Linh's year-round climate.

Daytime high
22°
10th warmest
Overnight low
16°
2nd coldest
Rainfall
34 mm
6.7 wet days
Daylight
10 h 42 min
6:29 AM – 5:13 PM
Cloud cover
65%
3rd clearest
Wind
9 km/h
8th windiest
Solar energy
2.63 kWh/m²
Travel score
7.0
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 Chí Linh 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
82316
92216
102216
112216
122216
132216
142216
152215
162215
172215
182215
192215
202215
212215
222115
232115
242115
252115
262115
272115
282115
292115
302115
312115

How December really feels in Chí Linh

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.

Chí Linh 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°36710.96.3
Feb22° / 16°246.611.36.5
Mar24° / 19°509.911.96.5
Apr28° / 22°8211.312.55.4
May31° / 25°24418.7133.3
Jun33° / 27°24620.413.32.4
Jul33° / 27°27622.513.22.3
Aug32° / 26°35325.312.72.4
Sep31° / 25°24419.912.13.2
Oct29° / 23°11912.611.55.2
Nov26° / 19°607.4117.0
Dec22° / 16°346.710.77.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34060
43961
53961
63961
73862
83763
93862
103763
113763
123862
133862
143862
153862
163862
173862
183862
193961
203961
213961
223961
233862
243862
253664
263664
273466
283466
293367
303070
312971

Chance of precipitation in December

Any precipitation

Chí Linh gets around 34 mm of rain over 6.7 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 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
124
224
324
424
523
623
723
823
922
1022
1122
1222
1321
1421
1521
1621
1721
1821
1921
2021
2121
2220
2320
2420
2520
2620
2720
2820
2921
3021
3121

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
13320201710
2342119179
3352119168
4372118168
5382218167
6392217156
7402217156
8422216155
9432216145
10452115144
11462115144
12472015144
13482015143
14491915143
15491914143
16501914143
17501914143
18501914143
19501915133
20501915133
21501915133
22511916122
23501917122
24511917112
25491918112
26491919112
27481920111
28471921121
29471921121
30461822131
31461822130

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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
278calm
288calm
298calm
309calm
319calm

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 6:20 AM to 6:36 AM, and sunset from 5:09 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:205:09
210.86:215:09
310.86:215:09
410.86:225:09
510.86:235:09
610.86:235:10
710.86:245:10
810.86:255:10
910.86:255:10
1010.76:265:11
1110.76:265:11
1210.76:275:11
1310.76:275:12
1410.76:285:12
1510.76:295:12
1610.76:295:13
1710.76:305:13
1810.76:305:13
1910.76:315:14
2010.76:315:14
2110.76:325:15
2210.76:325:15
2310.76:335:16
2410.76:335:16
2510.76:345:17
2610.76:345:17
2710.76:345:18
2810.76:355:18
2910.76:355:19
3010.76:355:19
3110.76:365:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.63 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 4.96 kWh/m² in June across the year — December's 2.63 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Chí Linh

In seasonPeak

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

Chí Linh sits in the Pacific typhoon belt; the season peaks July–October.

Chí Linh'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 Chí Linh?

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

7.0
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 Chí Linh for general sightseeing.

What to pack for Chí Linh in December

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

In December, Chí Linh sees daytime highs around 22°C and nights near 16°C. Little to plan around — just the basics. About 7 days see rain.

Sea temperature near Chí Linh 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 59 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 Chí Linh 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 Chí Linh 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 Chí Linh 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 Chí Linh 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 Chí Linh?

Chí Linh sits at 21.1°N, 106.3°E, 5 m above sea level, in Vietnam. The nearest listed city is Hải Dương, 14 km away.

Topography around Chí Linh

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chí Linh.

Within 3 km, the terrain around Chí Linh has only modest variations in elevation — a maximum elevation change of 9 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,297 m.

The land around Chí Linh is covered by cropland (48%) within 3 km, cropland (50%) and trees (22%) within 16 km, and trees (45%) and cropland (32%) within 80 km.

3 km
9 m
16 km
240 m
80 km
1,297 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hải Dương 14 km · Thị Trấn Đông Triều 21 km · Cung Kiệm 21 km · Thuận Thanh 25 km · Bắc Giang 26 km · Bắc Ninh 28 km · Thị Trấn Mạo Khê 29 km · Việt Yên 29 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 Chí Linh (21.0667°, 106.3167°, 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).