Average annual temperature is 25.8 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Gusomani
* Weather data for Gusomani 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) | 30.1 | 29.7 | 32.1 | 32.6 | 32.3 | 32.3 | 31.8 | 34.1 | 37.0 | 38.4 | 36.1 | 34.0 |
| Average daytime temperature (°C) | 27.7 | 27.6 | 29.9 | 29.5 | 29.6 | 30.8 | 30.3 | 32.3 | 34.3 | 35.4 | 33.0 | 31.2 |
| Average temperature (°C) | 23.7 | 24.0 | 25.3 | 25.1 | 25.2 | 25.2 | 25.5 | 26.8 | 27.6 | 28.3 | 27.1 | 26.1 |
| Average night temperature (°C) | 21.3 | 21.9 | 22.1 | 22.4 | 22.8 | 22.5 | 22.8 | 23.4 | 23.7 | 24.2 | 23.6 | 23.1 |
| Absolute minimum temperature (°C) | 19.0 | 20.9 | 20.1 | 21.3 | 22.0 | 21.5 | 21.1 | 21.8 | 22.3 | 22.7 | 21.7 | 21.8 |
| 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 | 12.4 | 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) | 6.8 | 5.0 | 9.4 | 7.3 | 6.0 | 7.4 | 9.0 | 10.6 | 10.6 | 10.5 | 10.5 | 9.2 |
| Precipitation (mm) | 491 | 524 | 120 | 435 | 635 | 352 | 299 | 125 | 67 | 89 | 106 | 175 |
| Sunny days | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 5 | 4 | 0 | 2 |
| Rainy days | 30 | 28 | 29 | 29 | 31 | 30 | 31 | 28 | 25 | 27 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gusomani is at