Thị Trấn Thất Khê weather in January

In January, Thị Trấn Thất Khê sees average daytime highs of 17°C and overnight lows near 11°C, with 39 mm of rain across 8.2 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 10th-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 14% 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 Thất Khê's 7th-clearest and 6th-windiest month. For the whole year in context, see Thị Trấn Thất Khê's year-round climate.

Daytime high
17°
12th warmest
Overnight low
11°
1st coldest
Rainfall
39 mm
8.2 wet days
Daylight
10 h 48 min
6:40 AM – 5:27 PM
Cloud cover
77%
7th clearest
Wind
8 km/h
6th windiest
Solar energy
2.13 kWh/m²
Travel score
5.4
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 Thất Khê reaches about 17°C in the afternoon and slips back to 11°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11811
21811
31811
41811
51811
61811
71711
81711
91711
101711
111711
121711
131711
141711
151711
161711
171711
181711
191711
201711
211711
221711
231711
241711
251711
261711
271711
281711
291711
301711
311711

How January really feels in Thị Trấn Thất Khê

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 Thất Khê weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23169
33070
42971
52773
62674
72575
82476
92377
102377
112278
122080
132080
141981
151981
162080
172080
181981
191981
201981
211981
222080
232080
242080
252080
262179
272179
282179
292278
302377
312278

Chance of precipitation in January

Any precipitation

Thị Trấn Thất Khê gets around 39 mm of rain over 8.2 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 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
325
425
526
627
727
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1927
2027
2126
2225
2325
2425
2525
2625
2725
2825
2925
3025
3124

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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16818131
26818131
36718141
46817141
56717142
66717142
76816142
86816142
96816142
107015132
117015132
127115122
137115122
147016113
157016113
167116103
177116103
187116103
197116103
207116103
217116103
227016113
237016113
246916123
256916123
266915133
276915133
286715144
296715144
306715144
316616144

Wind in January

Winds average 8 km/h in January.

Across January, 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 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 6:37 AM to 6:38 AM, and sunset from 5:17 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:375:17
210.76:385:18
310.76:385:18
410.76:385:19
510.76:395:19
610.76:395:20
710.76:395:21
810.76:395:21
910.76:395:22
1010.76:405:23
1110.76:405:23
1210.76:405:24
1310.76:405:25
1410.86:405:25
1510.86:405:26
1610.86:405:27
1710.86:405:27
1810.86:405:28
1910.86:405:29
2010.86:405:29
2110.86:405:30
2210.86:405:31
2310.96:405:31
2410.96:405:32
2510.96:405:33
2610.96:395:33
2710.96:395:34
2810.96:395:35
2910.96:395:35
3011.06:385:36
3111.06:385:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.13 kWh/m² — the year's lowest.

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 — January's 2.13 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.4Moderate
Planning a trip in January

Hazard calendar for Thị Trấn Thất Khê

In seasonPeak

None of Thị Trấn Thất Khê's seasonal hazards are active in January. 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 January a good time to visit Thị Trấn Thất Khê?

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

5.4
Sightseeing
7th-best month of the year
1.4
Beach & pool
12th-best month of the year

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

What to pack for Thị Trấn Thất Khê in January

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

In January, Thị Trấn Thất Khê sees daytime highs around 17°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Thị Trấn Thất Khê in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 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
January 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).