Climate averages 1991–2020
Les Cayes weather
in May.
A hot, wet month: the 5th warmest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Les Cayes: daytime highs average 30.3°C and nights cool to about 24.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 100 mm of rain on roughly 16 days, which makes May a wet month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 59 min on an average May day.
The nearest other city in this atlas is Jérémie (64 km away). In May its highs average 29.0°C, 1.3°C cooler than Les Cayes, with 66 mm of rain.
Among the 18 cities listed in Haiti, Les Cayes ranks joint 9th of 18 for the warmest May highs and 5th of 18 for the driest May (rainfall, lowest first). The mean May high of those 18 cities is 30.2°C; Les Cayes is 0.1°C warmer than that mean.
From May to June, average highs rise by 1.1°C to 31.4°C, and monthly rainfall falls from 100 mm to 62 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
Les Cayes climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C22.4°C | 22.4°C | 23 | 5.1 | 11.211 h |
| February | 29.1°C22.4°C | 22.4°C | 22 | 5.8 | 11.512 h |
| March | 29.5°C22.7°C | 22.7°C | 41 | 10.0 | 12.012 h |
| April | 30.0°C23.5°C | 23.5°C | 60 | 13.1 | 12.513 h |
| May, selected | 30.3°C24.4°C | 24.4°C | 100 | 15.6 | 13.013 h |
| June | 31.4°C25.3°C | 25.3°C | 62 | 9.9 | 13.213 h |
| July | 32.3°C25.6°C | 25.6°C | 54 | 10.0 | 13.113 h |
| August | 32.2°C25.8°C | 25.8°C | 78 | 12.5 | 12.713 h |
| September | 31.4°C25.4°C | 25.4°C | 100 | 16.3 | 12.312 h |
| October | 30.2°C24.8°C | 24.8°C | 145 | 18.3 | 11.712 h |
| November | 29.4°C24.0°C | 24.0°C | 84 | 12.2 | 11.311 h |
| December | 29.0°C23.0°C | 23.0°C | 27 | 6.0 | 11.111 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
- Jérémie in MayHaiti · 64 kmHigh 29.0°C · Low 24.8°C · 66 mm rain
- Miragoâne in MayHaiti · 75 kmHigh 30.9°C · Low 25.3°C · 136 mm rain
- Tigwav in MayHaiti · 97 kmHigh 30.8°C · Low 25.5°C · 134 mm rain
- Léogâne in MayHaiti · 123 kmHigh 30.2°C · Low 24.1°C · 134 mm rain
- Jacmel in MayHaiti · 128 kmHigh 28.6°C · Low 24.3°C · 131 mm rain
- Arcahaie in MayHaiti · 145 kmHigh 30.3°C · Low 24.0°C · 56 mm rain
- Carrefour in MayHaiti · 147 kmHigh 30.3°C · Low 24.0°C · 186 mm rain
- Saint-Marc in MayHaiti · 151 kmHigh 30.5°C · Low 24.7°C · 73 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 Les Cayes) is explained once on the Les Cayes year overview and on the Sources, method and limits page.