Average annual temperature is 25.4 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 37 days
Number of rainy days: 328 days
Look at detailed online map of Trois Roches
* Weather data for Trois Roches French Guiana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.8 | 30.9 | 32.0 | 31.8 | 32.0 | 31.5 | 31.5 | 35.1 | 35.9 | 36.7 | 35.0 | 32.9 |
| Average daytime temperature (°C) | 27.8 | 27.7 | 29.7 | 29.2 | 30.0 | 30.3 | 30.0 | 32.7 | 34.2 | 34.8 | 33.1 | 30.7 |
| Average temperature (°C) | 23.3 | 23.4 | 24.5 | 24.4 | 24.8 | 25.0 | 24.9 | 26.6 | 27.4 | 27.9 | 26.6 | 25.4 |
| Average night temperature (°C) | 21.2 | 21.7 | 21.5 | 21.9 | 22.4 | 22.1 | 21.9 | 22.1 | 22.4 | 23.0 | 23.1 | 22.6 |
| Absolute minimum temperature (°C) | 19.4 | 20.9 | 20.3 | 20.5 | 21.2 | 21.1 | 20.5 | 20.9 | 20.5 | 21.5 | 22.0 | 21.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 6.5 | 5.5 | 8.7 | 7.1 | 7.7 | 9.2 | 9.8 | 10.7 | 10.4 | 10.4 | 10.1 | 9.2 |
| Precipitation (mm) | 402 | 492 | 242 | 308 | 290 | 178 | 216 | 47 | 17 | 16 | 86 | 144 |
| Sunny days | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 11 | 14 | 1 | 0 |
| Rainy days | 30 | 28 | 31 | 29 | 31 | 30 | 31 | 22 | 19 | 17 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Trois Roches is at