Cà Mau weather in April

In April, Cà Mau sees average daytime highs of 33°C and overnight lows near 26°C, with 119 mm of rain across 16.6 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 33°C through the month. The sky is clear or mostly clear about 26% 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 Cà Mau's 3rd-clearest and 10th-windiest month. For the whole year in context, see Cà Mau's year-round climate.

Daytime high
33°
1st warmest
Overnight low
26°
11th coldest
Rainfall
119 mm
16.6 wet days
Daylight
12 h 12 min
5:54 AM – 6:06 PM
Cloud cover
62%
3rd clearest
Wind
9 km/h
10th windiest
Solar energy
5.99 kWh/m²
Travel score
2.8
out of 10

Cà Mau is old provincial capital city of Ca Mau province, Vietnam.

Density
904/km²
people per km²

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical April day in Cà Mau reaches about 33°C in the afternoon and slips back to 26°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53326
63326
73326
83326
93326
103326
113326
123326
133326
143326
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253326
263326
273326
283326
293326
303326

How April really feels in Cà Mau

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
27 feel dangerously hot (≥ 39°C)
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.

Cà Mau 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
Jan30° / 23°33611.55.1
Feb32° / 24°193.411.74.8
Mar33° / 25°598.811.93.7
Apr33° / 26°11916.612.22.8
May33° / 26°25726.912.42.2
Jun31° / 25°28828.412.52.3
Jul31° / 25°30029.612.52.4
Aug31° / 25°28629.412.32.4
Sep31° / 25°33728.912.12.4
Oct31° / 25°4062911.82.6
Nov30° / 24°20922.211.63.3
Dec30° / 24°10112.711.54.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55050
65050
75050
84951
94951
104951
114951
124951
134852
144852
154852
164852
174852
184654
194555
204555
214357
224258
234159
243961
253862
263664
273664
283367
293367
303169

Chance of precipitation in April

Any precipitation

Cà Mau gets around 119 mm of rain over 16.6 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 55% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
141
241
342
443
544
645
746
846
947
1048
1149
1250
1351
1452
1553
1655
1756
1857
1959
2060
2161
2262
2363
2464
2565
2666
2767
2868
2969
3070

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
117029
216930
316831
416633
516534
616336
716138
806139
905941
1005743
1105545
1205347
1305149
1404951
1504753
1604456
1704258
1804060
1903862
2003565
2103367
2203169
2303070
2402872
2502674
2602575
2702476
2802278
2902179
3002080

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:02 AM to 5:47 AM, and sunset from 6:06 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:026:06
212.16:016:06
312.16:016:06
412.16:006:06
512.15:596:06
612.15:596:06
712.15:586:06
812.15:586:06
912.15:576:06
1012.25:576:06
1112.25:566:06
1212.25:566:06
1312.25:556:06
1412.25:556:06
1512.25:546:06
1612.25:546:06
1712.25:536:06
1812.25:536:06
1912.25:526:06
2012.25:526:06
2112.25:516:06
2212.35:516:06
2312.35:506:06
2412.35:506:06
2512.35:496:06
2612.35:496:06
2712.35:496:06
2812.35:486:06
2912.35:486:06
3012.35:476:06

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.99 kWh/m².

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 6.06 kWh/m² in March across the year — April's 5.99 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
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
Planning a trip in April

Hazard calendar for Cà Mau

In seasonPeak

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

Cà Mau sits in the Pacific typhoon belt; the season peaks July–October.

Cà Mau'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 Cà Mau?

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

2.8
Sightseeing
6th-best month of the year
5.1
Beach & pool
5th-best month of the year

April is a weaker month for outdoor sightseeing in Cà Mau.

What to pack for Cà Mau in April

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

In April, Cà Mau sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Cà Mau 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 38 km away) 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 Cà Mau 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 Cà Mau peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 13Dec 18UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec10Very high

Air quality in Cà Mau 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 Cà Mau 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 Cà Mau?

Cà Mau sits at 9.2°N, 105.2°E, 5 m above sea level, in Vietnam. The nearest listed city is Thới Bình, 21 km away.

Topography around Cà Mau

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

Within 3 km, the terrain around Cà Mau has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 13 m; within 80 km, only modest variations in elevation — a maximum elevation change of 111 m.

The land around Cà Mau is covered by artificial surfaces (40%) and trees (23%) within 3 km, water (37%), cropland (28%) and trees (23%) within 16 km, and water (59%) and cropland (24%) within 80 km.

3 km
13 m
16 km
13 m
80 km
111 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Thới Bình 21 km · Trần Văn Thời 22 km · Phong Thạnh 27 km · An Trạch 29 km · Ấp Hô Phòng 30 km · Gành Hào 34 km · Giá Rai 34 km · Hưng Mỹ 36 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 Cà Mau (9.1768°, 105.1524°, elevation 5 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).