Climate averages 1991–2020
Rạch Giá weather
in May.
A hot, very wet month: the joint 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 Rạch Giá: daytime highs average 31.1°C and nights cool to about 25.9°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 244 mm of rain on roughly 26 days, which makes May a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 35 min on an average May day.
The nearest other city in this atlas is Cờ Đỏ (39 km away). In May its highs average 31.8°C, 0.7°C warmer than Rạch Giá, with 207 mm of rain.
Among the 136 cities listed in Vietnam, Rạch Giá ranks joint 73rd of 136 for the warmest May highs and joint 117th of 136 for the driest May (rainfall, lowest first). The mean May high of those 136 cities is 31.2°C; Rạch Giá is level with that mean.
From May to June, average highs fall by 1.6°C to 29.5°C, and monthly rainfall rises from 244 mm to 316 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
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, selected | 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 | 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
May in nearby cities
- Cờ Đỏ in MayVietnam · 39 kmHigh 31.8°C · Low 25.3°C · 207 mm rain
- Vĩnh Thạnh in MayVietnam · 42 kmHigh 31.9°C · Low 25.3°C · 185 mm rain
- Long Xuyên in MayVietnam · 57 kmHigh 32.0°C · Low 25.5°C · 175 mm rain
- Thốt Nốt in MayVietnam · 57 kmHigh 32.0°C · Low 25.4°C · 185 mm rain
- Ô Môn in MayVietnam · 60 kmHigh 31.9°C · Low 25.2°C · 207 mm rain
- Lai Vung in MayVietnam · 62 kmHigh 32.1°C · Low 25.4°C · 185 mm rain
- Phong Điền (Can Tho City), Vietnam in MayVietnam · 64 kmHigh 32.0°C · Low 25.3°C · 198 mm rain
- Tịnh Biên in MayVietnam · 67 kmHigh 32.2°C · Low 25.6°C · 207 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.