Climate averages 1991–2020
Les Cayes weather
in December.
A hot, fairly dry month: the 11th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Les Cayes: daytime highs average 29.0°C and nights cool to about 23.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 27 mm of rain on roughly 6 days, which makes December a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 04 min on an average December day.
The nearest other city in this atlas is Jérémie (64 km away). In December its highs average 27.8°C, 1.2°C cooler than Les Cayes, with 40 mm of rain.
Among the 18 cities listed in Haiti, Les Cayes ranks 11th of 18 for the warmest December highs and 7th of 18 for the driest December (rainfall, lowest first). The mean December high of those 18 cities is 28.9°C; Les Cayes is 0.1°C warmer than that mean.
From December to January, average highs fall by 0.2°C to 28.8°C, and monthly rainfall falls from 27 mm to 23 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
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 | 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, selected | 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
December in nearby cities
- Jérémie in DecemberHaiti · 64 kmHigh 27.8°C · Low 24.0°C · 40 mm rain
- Miragoâne in DecemberHaiti · 75 kmHigh 29.1°C · Low 23.8°C · 32 mm rain
- Tigwav in DecemberHaiti · 97 kmHigh 29.1°C · Low 23.9°C · 29 mm rain
- Léogâne in DecemberHaiti · 123 kmHigh 28.9°C · Low 22.1°C · 29 mm rain
- Jacmel in DecemberHaiti · 128 kmHigh 27.7°C · Low 22.7°C · 25 mm rain
- Arcahaie in DecemberHaiti · 145 kmHigh 29.2°C · Low 21.8°C · 8.3 mm rain
- Carrefour in DecemberHaiti · 147 kmHigh 29.1°C · Low 21.8°C · 31 mm rain
- Saint-Marc in DecemberHaiti · 151 kmHigh 29.8°C · Low 22.9°C · 11 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.