Kiên Hải weather in April

In April, Kiên Hải sees average daytime highs of 30°C and overnight lows near 27°C, with 92 mm of rain across 15.6 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 30% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 18 min by month's end. Set against the rest of the year, April is Kiên Hải's 4th-clearest and 11th-windiest month. For the whole year in context, see Kiên Hải's year-round climate.

Daytime high
30°
1st warmest
Overnight low
27°
11th coldest
Rainfall
92 mm
15.6 wet days
Daylight
12 h 12 min
5:54 AM – 6:07 PM
Cloud cover
59%
4th clearest
Wind
13 km/h
11th windiest
Solar energy
6.07 kWh/m²
Travel score
4.4
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Kiên Hải reaches about 30°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, April runs on par with March and on par with May.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
93027
103027
113027
123027
133027
143027
153027
163027
173027
183027
193027
203027
213027
223027
233027
243027
253027
263027
273027
283027
293027
303027

How April really feels in Kiên Hải

Once humidity and wind are folded in, April averages 30 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
30
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.

Kiên Hải weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°214.711.56.8
Feb29° / 25°13311.76.6
Mar30° / 26°387.211.95.7
Apr30° / 27°9215.612.24.4
May29° / 27°26726.512.53.2
Jun29° / 27°34626.812.63.2
Jul28° / 27°3732812.53.3
Aug28° / 26°35027.712.33.4
Sep28° / 26°38026.912.13.5
Oct28° / 26°31627.511.83.5
Nov29° / 26°11916.811.54.6
Dec28° / 25°548.711.46.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25644
35644
45545
55446
65446
75347
85248
95248
105248
115149
125149
135248
145248
155149
165149
175248
185149
195050
204951
214951
224852
234753
244654
254555
264357
274357
284159
294159
303862

Chance of precipitation in April

Any precipitation

Kiên Hải gets around 92 mm of rain over 15.6 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 52% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
139
239
340
441
542
642
743
844
945
1045
1146
1247
1348
1449
1550
1651
1752
1853
1955
2056
2157
2258
2360
2461
2562
2664
2765
2866
2968
3069

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
115940
215742
315544
415346
505248
604951
704753
804555
904357
1004159
1103961
1203763
1303565
1403367
1503169
1602971
1702773
1802575
1902476
2002278
2102080
2201981
2301882
2401684
2501585
2601486
2701387
2801288
2901189
3001090

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over April. Sunrise moves from 6:03 AM to 5:48 AM, and sunset from 6:08 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:08
212.16:026:08
312.16:026:08
412.16:016:08
512.16:006:08
612.16:006:08
712.15:596:08
812.15:596:08
912.25:586:07
1012.25:586:07
1112.25:576:07
1212.25:566:07
1312.25:566:07
1412.25:556:07
1512.25:556:07
1612.25:546:07
1712.25:546:07
1812.25:536:07
1912.25:536:07
2012.35:526:08
2112.35:526:08
2212.35:516:08
2312.35:516:08
2412.35:506:08
2512.35:506:08
2612.35:496:08
2712.35:496:08
2812.35:496:08
2912.35:486:08
3012.35:486:08

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.07 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.07 kWh/m² in April across the year — April's 6.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
Planning a trip in April

Hazard calendar for Kiên Hải

In seasonPeak

In April, Kiên Hải sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Kiên Hải sits in the Pacific typhoon belt; the season peaks July–October.

Kiên Hải's monsoon runs May–October, when most of the year's rain falls.

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

Is April a good time to visit Kiên Hải?

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

4.4
Sightseeing
6th-best month of the year
5.9
Beach & pool
5th-best month of the year

April is a reasonable time to visit Kiên Hải for sightseeing.

What to pack for Kiên Hải in April

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

In April, Kiên Hải sees daytime highs around 30°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Kiên Hải in April

The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 31°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Kiên Hải in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kiên Hải peaks around August 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 20UV 13Dec 14UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Kiên Hải 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 Kiên Hải is worst in January — around 45 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (August, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 145 µg/m³Aug 1519 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb37Poor
Mar33Moderate
Apr32Moderate
May27Moderate
Jun22Moderate
Jul22Moderate
Aug19Moderate
Sep23Moderate
Oct32Moderate
Nov42Poor
Dec45Poor
Location & terrain

Where is Kiên Hải?

Kiên Hải sits at 10.0°N, 104.8°E, 18 m above sea level, in Vietnam. The nearest listed city is Rạch Giá, 26 km away.

Topography around Kiên Hải

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

Within 3 km, the terrain around Kiên Hải has significant variations in elevation — a maximum elevation change of 400 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 400 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.

The land around Kiên Hải is covered by water (85%) within 3 km, water (98%) within 16 km, and water (48%) and cropland (41%) within 80 km.

3 km
400 m
16 km
400 m
80 km
691 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Rạch Giá 26 km · Xóm Cái Nước 34 km · Óc Eo 45 km · Cô Tô 46 km · Núi Sập 56 km · Hà Tiên 60 km · Cờ Đỏ 65 km · Vĩnh Thạnh 66 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 Kiên Hải (9.9727°, 104.8475°, elevation 18 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).