Climate averages 1991–2020
Cayenne weather
in June.
A hot, very wet month: the joint 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Cayenne: daytime highs average 28.3°C and nights cool to about 23.2°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 343 mm of rain on roughly 29 days, which makes June a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average June day.
The nearest other city in this atlas is Paramaribo (330 km away). In June its highs average 28.9°C, 0.5°C warmer than Cayenne, with 285 mm of rain.
From June to July, average highs rise by 0.6°C to 28.9°C, and monthly rainfall falls from 343 mm to 186 mm.
The annual picture
June 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 | 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, selected | 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
June in nearby cities
- Paramaribo in JuneSuriname · 330 kmHigh 28.9°C · Low 23.6°C · 285 mm rain
- Macapá in JuneBrazil · 563 kmHigh 28.7°C · Low 23.7°C · 205 mm rain
- Santana in JuneBrazil · 568 kmHigh 28.9°C · Low 23.6°C · 172 mm rain
- Georgetown in JuneGuyana · 676 kmHigh 27.4°C · Low 24.3°C · 315 mm rain
- Breves in JuneBrazil · 764 kmHigh 29.6°C · Low 23.7°C · 144 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.