Climate averages 1991–2020
Cayenne weather
in April.
A hot, very wet month: the joint 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Cayenne: daytime highs average 28.3°C and nights cool to about 23.8°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 257 mm of rain on roughly 25 days, which makes April a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average April day.
The nearest other city in this atlas is Paramaribo (330 km away). In April its highs average 29.1°C, 0.8°C warmer than Cayenne, with 148 mm of rain.
From April to May, average highs fall by 0.1°C to 28.2°C, and monthly rainfall rises from 257 mm to 411 mm.
The annual picture
April 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
Cayenne climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C23.3°C | 23.3°C | 244 | 26.6 | 11.912 h |
| February | 27.6°C23.5°C | 23.5°C | 205 | 22.5 | 12.012 h |
| March | 28.1°C23.8°C | 23.8°C | 173 | 23.9 | 12.112 h |
| April, selected | 28.3°C23.8°C | 23.8°C | 257 | 25.0 | 12.212 h |
| May | 28.2°C23.6°C | 23.6°C | 411 | 29.1 | 12.312 h |
| June | 28.3°C23.2°C | 23.2°C | 343 | 28.5 | 12.412 h |
| July | 28.9°C23.2°C | 23.2°C | 186 | 24.8 | 12.412 h |
| August | 30.1°C23.7°C | 23.7°C | 67 | 13.9 | 12.312 h |
| September | 31.3°C24.2°C | 24.2°C | 23 | 7.2 | 12.112 h |
| October | 31.5°C24.3°C | 24.3°C | 39 | 10.1 | 12.012 h |
| November | 30.1°C24.1°C | 24.1°C | 122 | 19.6 | 11.912 h |
| December | 28.4°C23.6°C | 23.6°C | 253 | 26.5 | 11.812 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
April in nearby cities
- Paramaribo in AprilSuriname · 330 kmHigh 29.1°C · Low 24.1°C · 148 mm rain
- Macapá in AprilBrazil · 563 kmHigh 28.1°C · Low 23.4°C · 384 mm rain
- Santana in AprilBrazil · 568 kmHigh 28.4°C · Low 23.4°C · 350 mm rain
- Georgetown in AprilGuyana · 676 kmHigh 27.7°C · Low 24.9°C · 130 mm rain
- Breves in AprilBrazil · 764 kmHigh 28.9°C · Low 23.4°C · 373 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 Cayenne) is explained once on the Cayenne year overview and on the Sources, method and limits page.