Climate averages 1991–2020
Rạch Giá weather
in December.
A hot, moderately wet month: the 9th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Rạch Giá: daytime highs average 29.3°C and nights cool to about 23.0°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 57 mm of rain on roughly 9 days, which makes December a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 33 min on an average December day.
The nearest other city in this atlas is Cờ Đỏ (39 km away). In December its highs average 29.7°C, about as warm as Rạch Giá, with 68 mm of rain.
Among the 136 cities listed in Vietnam, Rạch Giá ranks joint 36th of 136 for the warmest December highs and joint 68th of 136 for the driest December (rainfall, lowest first). The mean December high of those 136 cities is 25.0°C; Rạch Giá is 4.3°C warmer than that mean.
From December to January, average highs rise by 0.2°C to 29.6°C, and monthly rainfall falls from 57 mm to 22 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
Rạch Giá climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C22.5°C | 22.5°C | 22 | 4.5 | 11.612 h |
| February | 31.1°C23.1°C | 23.1°C | 12 | 2.5 | 11.812 h |
| March | 32.7°C24.4°C | 24.4°C | 37 | 6.8 | 12.112 h |
| April | 32.9°C25.4°C | 25.4°C | 87 | 14.5 | 12.312 h |
| May | 31.1°C25.9°C | 25.9°C | 244 | 26.4 | 12.613 h |
| June | 29.5°C25.6°C | 25.6°C | 316 | 27.6 | 12.713 h |
| July | 28.9°C25.2°C | 25.2°C | 344 | 28.6 | 12.613 h |
| August | 28.9°C25.2°C | 25.2°C | 326 | 28.3 | 12.412 h |
| September | 29.0°C24.9°C | 24.9°C | 352 | 27.7 | 12.212 h |
| October | 29.6°C24.3°C | 24.3°C | 301 | 27.8 | 11.912 h |
| November | 29.9°C23.8°C | 23.8°C | 120 | 17.0 | 11.712 h |
| December, selected | 29.3°C23.0°C | 23.0°C | 57 | 9.1 | 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
- Cờ Đỏ in DecemberVietnam · 39 kmHigh 29.7°C · Low 22.5°C · 68 mm rain
- Vĩnh Thạnh in DecemberVietnam · 42 kmHigh 29.7°C · Low 22.6°C · 63 mm rain
- Long Xuyên in DecemberVietnam · 57 kmHigh 29.9°C · Low 22.6°C · 57 mm rain
- Thốt Nốt in DecemberVietnam · 57 kmHigh 29.8°C · Low 22.6°C · 63 mm rain
- Ô Môn in DecemberVietnam · 60 kmHigh 29.4°C · Low 22.6°C · 68 mm rain
- Lai Vung in DecemberVietnam · 62 kmHigh 29.8°C · Low 22.6°C · 63 mm rain
- Phong Điền (Can Tho City), Vietnam in DecemberVietnam · 64 kmHigh 29.2°C · Low 22.7°C · 76 mm rain
- Tịnh Biên in DecemberVietnam · 67 kmHigh 30.2°C · Low 22.6°C · 54 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 Rạch Giá) is explained once on the Rạch Giá year overview and on the Sources, method and limits page.