Bản Na Hỷ weather in April

In April, Bản Na Hỷ sees average daytime highs of 28°C and overnight lows near 19°C, with 68 mm of rain across 14.8 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is Bản Na Hỷ's 5th-clearest and 4th-windiest month. For the whole year in context, see Bản Na Hỷ's year-round climate.

Daytime high
28°
5th warmest
Overnight low
19°
7th coldest
Rainfall
68 mm
14.8 wet days
Daylight
12 h 24 min
5:49 AM – 6:15 PM
Cloud cover
64%
5th clearest
Wind
5 km/h
4th windiest
Solar energy
4.98 kWh/m²
Travel score
5.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical April day in Bản Na Hỷ reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, April runs about 3°C warmer than March and about 2°C cooler than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62719
72819
82819
92819
102819
112819
122819
132819
142819
152919
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272921
283021
293021
303021

How April really feels in Bản Na Hỷ

Once humidity and wind are folded in, April averages 2 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
2
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bản Na Hỷ weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 12°215116.8
Feb22° / 14°175.211.37.2
Mar25° / 16°429.111.96.9
Apr28° / 19°6814.812.45.1
May30° / 22°15522.212.93.4
Jun31° / 23°15822.313.23.0
Jul30° / 23°23324.413.13.1
Aug29° / 22°29826.812.73.2
Sep28° / 21°23122.612.14.1
Oct26° / 19°11815.411.55.8
Nov23° / 16°356.911.17.2
Dec20° / 13°214.910.87.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54555
64654
74654
84654
94654
104654
114654
124753
134753
144753
154753
164654
174654
184555
194555
204456
214357
224357
234258
244258
254159
263961
273961
283763
293763
303763

Chance of precipitation in April

Any precipitation

Bản Na Hỷ gets around 68 mm of rain over 14.8 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 50% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
140
240
341
441
541
642
742
843
944
1044
1145
1246
1346
1447
1548
1649
1750
1851
1952
2053
2154
2255
2356
2457
2558
2659
2760
2861
2961
3062

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
15722588
247225710
347215711
437215712
536205714
626205616
726195617
826195419
926185321
1016185223
1116175125
1215174927
1315164830
1415154732
1515154634
1614144536
1714134438
1814134340
1913124341
2013124243
2102114145
2202104146
2302104048
240193951
250193852
260193753
270183655
280183556
290173458
300173260

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:02 AM to 5:39 AM, and sunset from 6:12 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:026:12
212.26:016:12
312.26:006:12
412.25:596:12
512.25:586:13
612.35:576:13
712.35:566:13
812.35:556:13
912.35:556:14
1012.35:546:14
1112.45:536:14
1212.45:526:14
1312.45:516:15
1412.45:506:15
1512.45:506:15
1612.45:496:15
1712.55:486:16
1812.55:476:16
1912.55:466:16
2012.55:466:17
2112.55:456:17
2212.65:446:17
2312.65:436:18
2412.65:436:18
2512.65:426:18
2612.65:416:18
2712.65:416:19
2812.75:406:19
2912.75:396:19
3012.75:396:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.98 kWh/m².

For context, solar energy here swings from a low near 2.83 kWh/m² to a high of 5.21 kWh/m² in June across the year — April's 4.98 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Hazard calendar for Bản Na Hỷ

In seasonPeak

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

Bản Na Hỷ'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 Bản Na Hỷ?

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

5.1
Sightseeing
7th-best month of the year
5.9
Beach & pool
2nd-best month of the year

April is a reasonable time to visit Bản Na Hỷ for sightseeing.

What to pack for Bản Na Hỷ in April

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

In April, Bản Na Hỷ sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Bản Na Hỷ in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bản Na Hỷ peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighAug 13UV 14Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr9Very high
May9Very high
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Bản Na Hỷ 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 Bản Na Hỷ is worst in April — around 162 µg/m³ PM2.5 (very unhealthy), about 19.2× the cleanest month (August, 8 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodModerateApr 14150 µg/m³Aug 159 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb30Moderate
Mar83Unhealthy
Apr162Very unhealthy
May34Moderate
Jun28Moderate
Jul10Good
Aug8Good
Sep11Good
Oct15Moderate
Nov15Moderate
Dec19Moderate
Location & terrain

Where is Bản Na Hỷ?

Bản Na Hỷ sits at 19.6°N, 104.5°E, 303 m above sea level, in Vietnam. The nearest listed city is Thái Hòa, 85 km away.

Thị Trấn Lam SơnVieng XaiXam NuaKim LiênHoàng MaiDiễn ThànhThanh Hóa

Topography around Bản Na Hỷ

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bản Na Hỷ.

Within 3 km, the terrain around Bản Na Hỷ has large variations in elevation — a maximum elevation change of 1,158 m around an average of 625 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,938 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,684 m.

The land around Bản Na Hỷ is covered by trees (94%) within 3 km, trees (89%) within 16 km, and trees (91%) within 80 km.

3 km
1,158 m
16 km
1,938 m
80 km
2,684 m
treesgrasslandcroplandwater
April weather nearby: Thái Hòa 85 km · Thị Trấn Lam Sơn 99 km · Vieng Xai 99 km · Xam Nua 108 km · Kim Liên 112 km · Hoàng Mai 128 km · Diễn Thành 130 km · Thanh Hóa 132 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 Bản Na Hỷ (19.5636°, 104.5346°, elevation 303 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).