Average annual temperature is 26.3 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 30 days
Number of rainy days: 335 days
Look at detailed online map of Nasson
* Weather data for Nasson 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) | 30.4 | 30.2 | 33.1 | 33.1 | 33.0 | 33.0 | 32.5 | 35.3 | 37.4 | 38.7 | 37.6 | 34.5 |
| Average daytime temperature (°C) | 28.3 | 28.2 | 30.8 | 30.2 | 30.5 | 31.2 | 30.8 | 33.0 | 35.1 | 36.4 | 34.6 | 31.9 |
| Average temperature (°C) | 24.0 | 24.2 | 25.5 | 25.5 | 25.7 | 25.8 | 25.9 | 27.3 | 28.3 | 29.1 | 27.9 | 26.5 |
| Average night temperature (°C) | 21.6 | 22.2 | 22.3 | 22.7 | 23.1 | 22.9 | 23.0 | 23.5 | 24.0 | 24.6 | 24.1 | 23.6 |
| Absolute minimum temperature (°C) | 19.2 | 20.6 | 20.3 | 21.1 | 21.8 | 22.0 | 21.4 | 22.0 | 22.4 | 23.6 | 22.3 | 21.5 |
| 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 | 12.4 | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 |
| 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) | 6.7 | 5.5 | 9.5 | 7.4 | 7.0 | 8.9 | 9.9 | 10.9 | 10.6 | 10.6 | 10.2 | 9.1 |
| Precipitation (mm) | 484 | 414 | 199 | 559 | 563 | 342 | 316 | 117 | 45 | 69 | 83 | 230 |
| Sunny days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 12 | 9 | 2 | 0 |
| Rainy days | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 26 | 18 | 22 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nasson is at