French Guiana
When to go?
Mean 26 °C, 21 rain days in the month (265 mm).
Against
- Hothighs of 30 °C
- Often rainyrain on 7 days in 10
Mean 26 °C, 19 rain days in the month (277 mm).
Against
- Hothighs of 30 °C
- Often rainyrain on 7 days in 10
Mean 26 °C, 19 rain days in the month (249 mm).
Against
- Hothighs of 30 °C
- Often rainyrain on 6 days in 10
Mean 26 °C, 22 rain days in the month (336 mm).
Against
- Hothighs of 30 °C
- Often rainyrain on 7 days in 10
- Torrential rain15 mm per rain day
Mean 26 °C, 26 rain days in the month (408 mm).
Against
- Hothighs of 30 °C
- Often rainyrain on 8 days in 10
- Torrential rain16 mm per rain day
Mean 26 °C, 23 rain days in the month (276 mm).
Against
- Hothighs of 31 °C
- Often rainyrain on 8 days in 10
Mean 26 °C, 18 rain days in the month (208 mm).
Against
- Hothighs of 31 °C
- Often rainyrain on 6 days in 10
Mean 27 °C, 9 rain days in the month (125 mm).
Against
- Hothighs of 32 °C
Mean 27 °C, 4 rain days in the month (54 mm).
Against
- Hothighs of 33 °C
Mean 28 °C, 5 rain days in the month (63 mm).
Against
- Hothighs of 33 °C
Mean 27 °C, 9 rain days in the month (113 mm).
Against
- Hothighs of 32 °C
Mean 26 °C, 17 rain days in the month (223 mm).
Against
- Hothighs of 30 °C
- Often rainyrain on 5 days in 10
No ideal month: the best months are September–October, the least hot. Avoid November–August (hot, at times often rainy and torrential rain).
Climate zones
- Freezing, dry
- Freezing
- Freezing, wet
- Cold, dry
- Cold
- Cold, wet
- Mild, dry
- Mild
- Mild, wet
- Hot, arid
- Hot
- Hot, wet
- Torrid, arid
- Torrid
- Torrid, wet
Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.
What is the climate like?
Area mean indicative, over the whole territory
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Mean daylight hours over the whole territory.
Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.