Climate averages 1991–2020
Cà Mau weather
in December.
A hot, wet month: the coolest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Cà Mau: daytime highs average 29.4°C and nights cool to about 22.8°C. By daytime temperature it is the coolest month of the year.
Expect about 101 mm of rain on roughly 13 days, which makes December a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 36 min on an average December day.
The nearest other city in this atlas is Giá Rai (34 km away). In December its highs average 28.6°C, 0.9°C cooler than Cà Mau, with 93 mm of rain.
Among the 136 cities listed in Vietnam, Cà Mau ranks joint 32nd of 136 for the warmest December highs and 110th of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Cà Mau is 4.4°C warmer than that mean.
From December to January, average highs rise by 0.8°C to 30.2°C, and monthly rainfall falls from 101 mm to 33 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Giá Rai in DecemberVietnam · 34 kmHigh 28.6°C · Low 23.9°C · 93 mm rain
- Bạc Liêu in DecemberVietnam · 64 kmHigh 28.5°C · Low 23.8°C · 98 mm rain
- Vĩnh Châu in DecemberVietnam · 92 kmHigh 27.8°C · Low 24.3°C · 98 mm rain
- Rạch Giá in DecemberVietnam · 93 kmHigh 29.3°C · Low 23.0°C · 57 mm rain
- Sóc Trăng in DecemberVietnam · 101 kmHigh 28.6°C · Low 23.2°C · 85 mm rain
- Ngã Bảy in DecemberVietnam · 102 kmHigh 29.1°C · Low 22.8°C · 83 mm rain
- Cờ Đỏ in DecemberVietnam · 106 kmHigh 29.7°C · Low 22.5°C · 68 mm rain
- Phong Điền (Can Tho City), Vietnam in DecemberVietnam · 107 kmHigh 29.2°C · Low 22.7°C · 76 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.