Climate averages 1991–2020
Cà Mau weather
in May.
A hot, very wet month: the 3rd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Cà Mau: daytime highs average 32.0°C and nights cool to about 25.2°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 257 mm of rain on roughly 27 days, which makes May a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 32 min on an average May day.
The nearest other city in this atlas is Giá Rai (34 km away). In May its highs average 31.1°C, 0.9°C cooler than Cà Mau, with 223 mm of rain.
Among the 136 cities listed in Vietnam, Cà Mau ranks joint 38th of 136 for the warmest May highs and 125th of 136 for the driest May (rainfall, lowest first). The mean May high of those 136 cities is 31.2°C; Cà Mau is 0.8°C warmer than that mean.
From May to June, average highs fall by 1.3°C to 30.7°C, and monthly rainfall rises from 257 mm to 288 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cà Mau climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.2°C22.7°C | 22.7°C | 33 | 5.9 | 11.712 h |
| February | 31.6°C23.1°C | 23.1°C | 19 | 3.4 | 11.812 h |
| March | 32.7°C24.1°C | 24.1°C | 59 | 8.8 | 12.112 h |
| April | 33.0°C24.8°C | 24.8°C | 119 | 16.6 | 12.312 h |
| May, selected | 32.0°C25.2°C | 25.2°C | 257 | 26.9 | 12.513 h |
| June | 30.7°C24.8°C | 24.8°C | 288 | 28.4 | 12.613 h |
| July | 30.1°C24.5°C | 24.5°C | 300 | 29.6 | 12.613 h |
| August | 30.1°C24.5°C | 24.5°C | 286 | 29.4 | 12.412 h |
| September | 29.9°C24.2°C | 24.2°C | 337 | 28.9 | 12.212 h |
| October | 29.8°C23.7°C | 23.7°C | 406 | 29.0 | 11.912 h |
| November | 29.8°C23.5°C | 23.5°C | 209 | 22.2 | 11.712 h |
| December | 29.4°C22.8°C | 22.8°C | 101 | 12.6 | 11.612 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Giá Rai in MayVietnam · 34 kmHigh 31.1°C · Low 26.0°C · 223 mm rain
- Bạc Liêu in MayVietnam · 64 kmHigh 31.2°C · Low 26.0°C · 205 mm rain
- Vĩnh Châu in MayVietnam · 92 kmHigh 30.7°C · Low 26.4°C · 190 mm rain
- Rạch Giá in MayVietnam · 93 kmHigh 31.1°C · Low 25.9°C · 244 mm rain
- Sóc Trăng in MayVietnam · 101 kmHigh 31.7°C · Low 25.5°C · 200 mm rain
- Ngã Bảy in MayVietnam · 102 kmHigh 31.9°C · Low 25.2°C · 214 mm rain
- Cờ Đỏ in MayVietnam · 106 kmHigh 31.8°C · Low 25.3°C · 207 mm rain
- Phong Điền (Can Tho City), Vietnam in MayVietnam · 107 kmHigh 32.0°C · Low 25.3°C · 198 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cà Mau) is explained once on the Cà Mau year overview and on the Sources, method and limits page.