Thị Trấn Thất Khê weather in December

In December, Thị Trấn Thất Khê sees average daytime highs of 19°C and overnight lows near 12°C, with 37 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 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 42 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 Thất Khê's 3rd-clearest and 5th-windiest month. For the whole year in context, see Thị Trấn Thất Khê's year-round climate.

Daytime high
19°
10th warmest
Overnight low
12°
2nd coldest
Rainfall
37 mm
6.7 wet days
Daylight
10 h 36 min
6:31 AM – 5:10 PM
Cloud cover
62%
3rd clearest
Wind
8 km/h
5th windiest
Solar energy
2.59 kWh/m²
Travel score
6.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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 Thất Khê reaches about 19°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°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)
12114
22114
32114
42013
52013
62013
72013
82013
92013
102013
111912
121912
131912
141912
151912
161912
171912
181912
191912
201911
211911
221911
231911
241911
251911
261811
271811
281811
291811
301811
311811

How December really feels in Thị Trấn Thất Khê

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 Thất Khê 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
Jan17° / 11°398.210.85.4
Feb19° / 13°297.211.26.0
Mar22° / 16°591111.86.1
Apr26° / 20°901312.55.7
May29° / 23°21020.513.13.9
Jun31° / 24°27624.213.32.9
Jul31° / 25°27524.313.22.9
Aug31° / 24°26623.712.83.0
Sep30° / 23°14816.312.14.3
Oct27° / 20°719.411.56.4
Nov24° / 16°547.310.97.2
Dec19° / 12°376.710.76.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
33961
43961
53961
63961
73961
83961
93961
103961
114060
124159
134159
144258
154258
164258
174357
184357
194357
204456
214357
224357
234357
244258
254258
264060
274060
283862
293763
303565
313466

Chance of precipitation in December

Any precipitation

Thị Trấn Thất Khê gets around 37 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
524
624
724
824
924
1023
1123
1222
1322
1422
1521
1621
1721
1820
1920
2020
2120
2220
2320
2420
2520
2620
2721
2822
2922
3023
3123

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1522215101
255211491
356211481
457201481
559201371
661191361
763181351
863181351
965171341
1067171240
1168161240
1268161240
1368161240
1468161240
1568161240
1670151140
1770151140
1870151140
1971151040
2070161040
217116940
227216930
237216930
247117930
257117930
267118920
2770181020
2870181020
2970181110
3069181210
3169181210

Wind in December

Winds average 8 km/h in December.

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

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 42 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 grow by about 0 minutes over December. Sunrise moves from 6:22 AM to 6:38 AM, and sunset from 5:06 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:225:06
210.76:225:06
310.76:235:06
410.76:245:06
510.76:245:07
610.76:255:07
710.76:265:07
810.76:265:07
910.76:275:07
1010.76:275:08
1110.76:285:08
1210.76:295:08
1310.76:295:09
1410.76:305:09
1510.66:305:09
1610.66:315:10
1710.66:315:10
1810.66:325:10
1910.66:325:11
2010.66:335:11
2110.66:335:12
2210.66:345:12
2310.66:345:13
2410.66:355:13
2510.66:355:14
2610.66:365:14
2710.66:365:15
2810.66:375:15
2910.66:375:16
3010.76:375:16
3110.76:385:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.59 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 4.57 kWh/m² in July across the year — December's 2.59 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
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
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Hazard calendar for Thị Trấn Thất Khê

In seasonPeak

None of Thị Trấn Thất Khê's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Thị Trấn Thất Khê's monsoon runs May–September, when most of the year's rain falls.

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

Is December a good time to visit Thị Trấn Thất Khê?

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

6.5
Sightseeing
2nd-best month of the year
2.9
Beach & pool
10th-best month of the year

December is a reasonable time to visit Thị Trấn Thất Khê for sightseeing.

What to pack for Thị Trấn Thất Khê in December

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

In December, Thị Trấn Thất Khê sees daytime highs around 19°C and nights near 12°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Thị Trấn Thất Khê 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 Thất Khê peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJun 23UV 12Nov 23UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr6High
May8Very high
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Thị Trấn Thất Khê 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 Thất Khê is worst in April — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (July, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorApr 944 µg/m³Jul 2020 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar44Poor
Apr44Poor
May30Moderate
Jun23Moderate
Jul20Moderate
Aug21Moderate
Sep24Moderate
Oct28Moderate
Nov33Moderate
Dec39Poor
Location & terrain

Where is Thị Trấn Thất Khê?

Thị Trấn Thất Khê sits at 22.3°N, 106.5°E, 159 m above sea level, in Vietnam. The nearest listed city is Cao Bằng, 51 km away.

Thái NguyênChũ

Topography around Thị Trấn Thất Khê

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

Within 3 km, the terrain around Thị Trấn Thất Khê has significant variations in elevation — a maximum elevation change of 308 m around an average of 204 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 868 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.

The land around Thị Trấn Thất Khê is covered by trees (66%) and cropland (28%) within 3 km, trees (92%) within 16 km, and trees (89%) within 80 km.

3 km
308 m
16 km
868 m
80 km
1,877 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cao Bằng 51 km · Lạng Sơn 54 km · Thị Trấn Nước Hai 63 km · Thị Trấn Trùng Khánh 65 km · Bắc Kạn 67 km · Thị Trấn Na Dương 79 km · Thái Nguyên 98 km · Chũ 98 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 Thất Khê (22.2553°, 106.4736°, elevation 159 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. 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).