Climate averages 1991–2020
Cai Lậy weather
in May.
A hot, 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 Cai Lậy: daytime highs average 32.3°C and nights cool to about 25.3°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 176 mm of rain on roughly 24 days, which makes May a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average May day.
The nearest other city in this atlas is Vĩnh Long (23 km away). In May its highs average 32.1°C, about as warm as Cai Lậy, with 196 mm of rain.
Among the 136 cities listed in Vietnam, Cai Lậy ranks joint 21st of 136 for the warmest May highs and joint 34th of 136 for the driest May (rainfall, lowest first). The mean May high of those 136 cities is 31.2°C; Cai Lậy is 1.1°C warmer than that mean.
From May to June, average highs fall by 1.6°C to 30.7°C, and monthly rainfall rises from 176 mm to 215 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
Cai Lậy climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.3°C22.3°C | 22.3°C | 28 | 4.1 | 11.612 h |
| February | 31.7°C22.9°C | 22.9°C | 11 | 1.7 | 11.812 h |
| March | 33.1°C24.2°C | 24.2°C | 30 | 5.3 | 12.112 h |
| April | 33.6°C25.2°C | 25.2°C | 75 | 12.2 | 12.412 h |
| May, selected | 32.3°C25.3°C | 25.3°C | 176 | 24.1 | 12.613 h |
| June | 30.7°C24.8°C | 24.8°C | 215 | 26.3 | 12.713 h |
| July | 30.2°C24.5°C | 24.5°C | 233 | 27.8 | 12.713 h |
| August | 30.3°C24.5°C | 24.5°C | 252 | 28.7 | 12.512 h |
| September | 30.2°C24.2°C | 24.2°C | 281 | 27.9 | 12.212 h |
| October | 30.1°C23.7°C | 23.7°C | 291 | 26.8 | 11.912 h |
| November | 30.1°C23.4°C | 23.4°C | 141 | 16.4 | 11.712 h |
| December | 29.8°C22.6°C | 22.6°C | 67 | 9.2 | 11.512 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
- Vĩnh Long in MayVietnam · 23 kmHigh 32.1°C · Low 25.4°C · 196 mm rain
- Mỹ Tho in MayVietnam · 27 kmHigh 32.1°C · Low 25.4°C · 210 mm rain
- Bến Tre in MayVietnam · 33 kmHigh 32.0°C · Low 25.5°C · 213 mm rain
- Tân An in MayVietnam · 36 kmHigh 32.4°C · Low 25.3°C · 194 mm rain
- Sa Dec in MayVietnam · 41 kmHigh 32.2°C · Low 25.4°C · 196 mm rain
- Quận Đức Thịnh in MayVietnam · 43 kmHigh 32.2°C · Low 25.4°C · 196 mm rain
- Bình Minh in MayVietnam · 49 kmHigh 31.9°C · Low 25.3°C · 198 mm rain
- Cao Lãnh in MayVietnam · 53 kmHigh 32.2°C · Low 25.5°C · 179 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 Cai Lậy) is explained once on the Cai Lậy year overview and on the Sources, method and limits page.