Average annual temperature is 28.0 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of Nassa
* Weather data for Nassa Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.1 | 39.0 | 39.5 | 41.0 | 38.1 | 37.0 | 33.5 | 31.8 | 32.3 | 32.9 | 35.1 | 36.5 |
| Average daytime temperature (°C) | 34.3 | 36.9 | 37.6 | 38.3 | 36.2 | 33.4 | 30.7 | 29.8 | 30.4 | 31.5 | 33.3 | 33.7 |
| Average temperature (°C) | 27.0 | 29.4 | 30.5 | 31.6 | 30.5 | 28.5 | 26.4 | 25.8 | 26.1 | 26.9 | 27.1 | 26.5 |
| Average night temperature (°C) | 20.6 | 22.2 | 23.3 | 25.2 | 26.0 | 24.7 | 23.5 | 23.1 | 23.2 | 23.5 | 21.5 | 20.2 |
| Absolute minimum temperature (°C) | 17.4 | 19.3 | 21.5 | 23.7 | 24.3 | 23.5 | 22.5 | 21.7 | 22.2 | 22.4 | 18.1 | 17.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 10.2 | 10.5 | 10.8 | 8.9 | 9.5 | 8.7 | 7.8 | 8.4 | 9.5 | 10.6 | 10.0 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 47 | 168 | 278 | 328 | 304 | 104 | 0 | 3 |
| Sunny days | 31 | 28 | 31 | 29 | 17 | 9 | 2 | 1 | 0 | 8 | 27 | 30 |
| Rainy days | 0 | 0 | 0 | 1 | 14 | 21 | 29 | 30 | 30 | 23 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nassa is at