Thị Trấn Thất Khê weather in April

In April, Thị Trấn Thất Khê sees average daytime highs of 26°C and overnight lows near 20°C, with 90 mm of rain across 13 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 28°C by the end. The sky is clear or mostly clear about 12% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 48 min by month's end. Set against the rest of the year, April is Thị Trấn Thất Khê's 5th-clearest and 1st-windiest month. For the whole year in context, see Thị Trấn Thất Khê's year-round climate.

Daytime high
26°
7th warmest
Overnight low
20°
7th coldest
Rainfall
90 mm
13 wet days
Daylight
12 h 30 min
5:39 AM – 6:10 PM
Cloud cover
74%
5th clearest
Wind
9 km/h
1st windiest
Solar energy
3.85 kWh/m²
Travel score
5.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 28°C by the end.

A typical April day in Thị Trấn Thất Khê reaches about 26°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 32°C. Set against its neighbours, April runs about 5°C warmer than March and about 3°C cooler than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52519
62519
72519
82519
92519
102619
112619
122620
132620
142620
152720
162720
172720
182720
192721
202721
212821
222821
232821
242821
252821
262821
272821
282822
292822
302822

How April really feels in Thị Trấn Thất Khê

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52179
62278
72278
82179
92377
102377
112377
122476
132476
142476
152476
162674
172674
182575
192575
202575
212575
222674
232674
242674
252773
262773
272773
282872
292971
302971

Chance of precipitation in April

Any precipitation

Thị Trấn Thất Khê gets around 90 mm of rain over 13 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1140
1240
1340
1441
1541
1642
1743
1843
1944
2045
2146
2246
2347
2449
2550
2651
2752
2853
2954
3055

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
115182329160
214172229170
313172229190
412162230200
511162130220
611162130230
710152030250
810151929260
99151829280
109141829290
119141729310
128131629331
138131628341
147121528361
157121428381
166111428391
176111427411
185111427421
195111327431
204101327442
213101327452
22391327472
23291327482
24281227492
25271226512
26171226513
27171226513
28161226523
29161225524
30061125535

Wind in April

Winds average 9 km/h in April, the windiest month of the year.

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

051015151015202530
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
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over April. Sunrise moves from 5:53 AM to 5:28 AM, and sunset from 6:05 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:536:05
212.25:526:05
312.25:516:05
412.35:506:06
512.35:496:06
612.35:486:06
712.35:476:07
812.35:466:07
912.45:456:07
1012.45:446:08
1112.45:436:08
1212.45:436:08
1312.55:426:09
1412.55:416:09
1512.55:406:09
1612.55:396:10
1712.55:386:10
1812.65:376:10
1912.65:366:11
2012.65:356:11
2112.65:356:12
2212.65:346:12
2312.75:336:12
2412.75:326:13
2512.75:316:13
2612.75:316:14
2712.75:306:14
2812.85:296:14
2912.85:286:15
3012.85:286:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.85 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 — April's 3.85 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.4Moderate
63.4Moderate
73.5Moderate
83.5Moderate
93.6Moderate
103.6Moderate
113.7Moderate
123.8Moderate
133.8Moderate
143.9Moderate
153.9Moderate
163.9Moderate
174.0Moderate
184.0Bright
194.0Bright
204.1Bright
214.1Bright
224.1Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in April

Hazard calendar for Thị Trấn Thất Khê

In seasonPeak

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

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

5.7
Sightseeing
6th-best month of the year
5.7
Beach & pool
4th-best month of the year

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

What to pack for Thị Trấn Thất Khê in April

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

In April, Thị Trấn Thất Khê sees daytime highs around 26°C and nights near 20°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

UV index in Thị Trấn Thất Khê in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

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