Bắc Kạn weather in April

In April, Bắc Kạn sees average daytime highs of 26°C and overnight lows near 19°C, with 128 mm of rain across 17.7 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 27°C by the end. The sky is clear or mostly clear about 10% 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 Bắc Kạn's 5th-clearest and 1st-windiest month. For the whole year in context, see Bắc Kạn's year-round climate.

Daytime high
26°
7th warmest
Overnight low
19°
6th coldest
Rainfall
128 mm
17.7 wet days
Daylight
12 h 30 min
5:42 AM – 6:12 PM
Cloud cover
76%
5th clearest
Wind
6 km/h
1st windiest
Solar energy
3.66 kWh/m²
Travel score
5.2
out of 10

Bắc Kạn is city in Vietnam.

Density
329/km²
people per km²
Founded
2015

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 27°C by the end.

A typical April day in Bắc Kạn reaches about 26°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, April runs about 4°C warmer than March and about 3°C cooler than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12318
22318
32418
42418
52418
62418
72418
82519
92519
102519
112519
122519
132519
142619
152619
162620
172620
182620
192620
202720
212720
222720
232720
242720
252721
262721
272721
282721
292821
302821

How April really feels in Bắc Kạn

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.

Bắc Kạn 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°6812.510.84.9
Feb19° / 13°5911.711.25.3
Mar21° / 16°10116.311.85.3
Apr26° / 19°12817.712.55.2
May29° / 22°26722.5133.9
Jun30° / 24°38625.813.32.9
Jul30° / 24°39827.813.22.8
Aug30° / 24°34426.712.82.9
Sep29° / 22°18118.912.14.1
Oct27° / 20°8512.511.56.1
Nov23° / 16°689.610.96.7
Dec19° / 12°509.210.76.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
22080
32179
42179
52278
62278
72377
82377
92377
102377
112575
122575
132476
142476
152476
162476
172476
182476
192377
202377
212377
222476
232377
242377
252377
262377
272476
282476
292575
302575

Chance of precipitation in April

Any precipitation

Bắc Kạn gets around 128 mm of rain over 17.7 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 59% and peaks near 66% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
160
259
359
458
558
657
757
856
956
1056
1156
1256
1356
1456
1556
1657
1757
1858
1958
2059
2160
2261
2361
2462
2563
2663
2764
2864
2965
3066

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 68% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
110172633140
210162534150
39162534170
48152434180
57152335200
67142334220
76142234230
86142134250
96142034270
105131933290
115131933300
125131832320
134121732350
144121731361
154111630381
163111629401
173101629411
183101528421
19291528441
20291528451
21281528461
22171528481
23171527482
24161427492
25161427502
26151427512
27051327532
28041327533
29041326543
30041226544

Wind in April

Winds average 6 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:56 AM to 5:30 AM, and sunset from 6:07 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:566:07
212.25:556:07
312.25:546:08
412.35:536:08
512.35:526:08
612.35:516:09
712.35:506:09
812.35:496:09
912.45:486:10
1012.45:476:10
1112.45:466:10
1212.45:456:11
1312.45:446:11
1412.55:436:11
1512.55:426:12
1612.55:426:12
1712.55:416:13
1812.65:406:13
1912.65:396:13
2012.65:386:14
2112.65:376:14
2212.65:366:14
2312.75:366:15
2412.75:356:15
2512.75:346:16
2612.75:336:16
2712.75:336:16
2812.75:326:17
2912.85:316:17
3012.85:306:18

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.66 kWh/m².

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 4.4 kWh/m² in August across the year — April's 3.66 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.2Moderate
43.2Moderate
53.3Moderate
63.3Moderate
73.4Moderate
83.4Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.6Moderate
133.6Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
244.0Moderate
254.0Moderate
264.0Bright
274.0Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in April

Hazard calendar for Bắc Kạn

In seasonPeak

None of Bắc Kạn's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Bắc Kạn'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 Bắc Kạn?

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

5.2
Sightseeing
6th-best month of the year
4.9
Beach & pool
4th-best month of the year

April is a reasonable time to visit Bắc Kạn for sightseeing.

What to pack for Bắc Kạn in April

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

In April, Bắc Kạn sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 18 days see rain.

rain gearlight clothes

UV index in Bắc Kạn 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 Bắc Kạn 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
Feb7Very high
Mar10Very high
Apr6High
May8Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Bắc Kạn 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 Bắc Kạn is worst in April — around 48 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (July, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorApr 947 µg/m³Jul 2321 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb44Poor
Mar47Poor
Apr48Poor
May33Moderate
Jun24Moderate
Jul21Moderate
Aug21Moderate
Sep25Moderate
Oct30Moderate
Nov37Poor
Dec42Poor
Location & terrain

Where is Bắc Kạn?

Bắc Kạn sits at 22.1°N, 105.8°E, 150 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Đại Từ, 61 km away.

Topography around Bắc Kạn

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

Within 3 km, the terrain around Bắc Kạn has significant variations in elevation — a maximum elevation change of 284 m around an average of 189 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,438 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,052 m.

The land around Bắc Kạn is covered by trees (79%) within 3 km, trees (96%) within 16 km, and trees (94%) within 80 km.

3 km
284 m
16 km
1,438 m
80 km
2,052 m
treesgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Thị Trấn Đại Từ 61 km · Thái Nguyên 61 km · Thị Trấn Thất Khê 67 km · Cao Bằng 72 km · Thị Trấn Nước Hai 73 km · Tuyên Quang 73 km · Thành phố Sông Công 74 km · Phổ Yên 81 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 Bắc Kạn (22.147°, 105.8348°, elevation 150 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).