Cái Đôi Vàm weather in April

In April, Cái Đôi Vàm sees average daytime highs of 30°C and overnight lows near 27°C, with 85 mm of rain across 13.2 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 9th-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 32% 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 Cái Đôi Vàm's 3rd-clearest and 10th-windiest month. For the whole year in context, see Cái Đôi Vàm's year-round climate.

Daytime high
30°
1st warmest
Overnight low
27°
11th coldest
Rainfall
85 mm
13.2 wet days
Daylight
12 h 12 min
5:55 AM – 6:07 PM
Cloud cover
58%
3rd clearest
Wind
13 km/h
10th windiest
Solar energy
6.25 kWh/m²
Travel score
4.5
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 Cái Đôi Vàm 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 Cái Đôi Vàm

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.

Cái Đôi Vàm weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°315.211.56.5
Feb29° / 25°132.411.76.6
Mar30° / 26°37611.95.7
Apr30° / 27°8513.212.24.5
May30° / 27°21325.212.43.1
Jun29° / 27°25926.512.53.1
Jul29° / 26°28128.212.53.1
Aug29° / 26°26827.612.33.2
Sep28° / 26°30927.112.13.2
Oct28° / 26°3552911.83.2
Nov29° / 26°20622.211.63.9
Dec28° / 25°10112.411.55.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55743
65743
75743
85743
95743
105743
115743
125743
135743
145743
155644
165545
175446
185446
195248
205149
215050
224852
234654
244654
254555
264357
274258
284159
294060
303862

Chance of precipitation in April

Any precipitation

Cái Đôi Vàm gets around 85 mm of rain over 13.2 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 43% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
132
232
333
433
534
635
735
836
936
1036
1137
1237
1338
1439
1540
1641
1742
1844
1945
2047
2148
2250
2351
2453
2554
2656
2757
2859
2960
3061

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15446
25248
35149
44951
54753
64555
74357
84159
93961
103763
113565
123367
133169
142971
152773
162575
172377
182278
192080
201882
211783
221684
231486
241387
251288
261189
271189
281090
29991
30991

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light 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
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light 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 5:49 AM, and sunset from 6:08 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:08
212.16:036:08
312.16:026:07
412.16:026:07
512.16:016:07
612.16:006:07
712.16:006:07
812.15:596:07
912.15:596:07
1012.15:586:07
1112.25:586:07
1212.25:576:07
1312.25:576:07
1412.25:566:07
1512.25:566:07
1612.25:556:07
1712.25:556:07
1812.25:546:07
1912.25:546:07
2012.25:536:07
2112.25:536:07
2212.25:526:07
2312.25:526:07
2412.35:516:07
2512.35:516:07
2612.35:516:07
2712.35:506:07
2812.35:506:07
2912.35:496:07
3012.35:496:07

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.25 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.31 kWh/m² in March across the year — April's 6.25 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Bright
306.0Bright
Planning a trip in April

Hazard calendar for Cái Đôi Vàm

In seasonPeak

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

Cái Đôi Vàm sits in the Pacific typhoon belt; the season peaks July–October.

Cái Đôi Vàm's rainy season runs May–November, when most of the year's rain falls.

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

Is April a good time to visit Cái Đôi Vàm?

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

4.5
Sightseeing
5th-best month of the year
6.3
Beach & pool
4th-best month of the year

April is a reasonable time to visit Cái Đôi Vàm for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cái Đôi Vàm in April

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

In April, Cái Đôi Vàm sees daytime highs around 30°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near Cái Đôi Vàm 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 at the nearest coast (about 21 km away) is warmest in May at about 30°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
Feb27Warm
Mar28Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Cái Đôi Vàm in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cái Đôi Vàm peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 13Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov11Extreme
Dec10Very high

Air quality in Cái Đôi Vàm 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 Cái Đôi Vàm is worst in December — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (May, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateDec 1922 µg/m³May 2012 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb17Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun13Moderate
Jul15Moderate
Aug13Moderate
Sep14Moderate
Oct15Moderate
Nov18Moderate
Dec22Moderate
Location & terrain

Where is Cái Đôi Vàm?

Cái Đôi Vàm sits at 8.9°N, 104.8°E, 2 m above sea level, in Vietnam. The nearest listed city is Hưng Mỹ, 19 km away.

Topography around Cái Đôi Vàm

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cái Đôi Vàm.

Within 3 km, the terrain around Cái Đôi Vàm has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 17 m; within 80 km, significant variations in elevation — a maximum elevation change of 285 m.

The land around Cái Đôi Vàm is covered by water (34%) and mangroves (32%) within 3 km, water (62%) within 16 km, and water (78%) within 80 km.

3 km
11 m
16 km
17 m
80 km
285 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Hưng Mỹ 19 km · Năm Căn 23 km · Trần Văn Thời 31 km · Tam Giang 41 km · Cà Mau 52 km · Thới Bình 64 km · An Trạch 68 km · Gành Hào 70 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 Cái Đôi Vàm (8.8571°, 104.812°, elevation 2 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).