Average annual temperature is 23.0 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Osamvain
* Weather data for Osamvain Equatorial 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) | 31.3 | 31.8 | 31.7 | 31.0 | 31.0 | 30.8 | 29.7 | 30.7 | 30.1 | 30.4 | 30.0 | 32.2 |
| Average daytime temperature (°C) | 28.6 | 30.0 | 28.5 | 29.1 | 28.9 | 28.8 | 28.6 | 28.8 | 28.4 | 28.4 | 27.9 | 29.6 |
| Average temperature (°C) | 22.7 | 23.4 | 22.8 | 23.1 | 23.4 | 23.0 | 23.0 | 23.0 | 22.7 | 22.5 | 22.4 | 23.7 |
| Average night temperature (°C) | 19.3 | 19.8 | 19.9 | 19.8 | 20.4 | 20.1 | 20.2 | 19.9 | 20.1 | 20.0 | 19.8 | 20.3 |
| Absolute minimum temperature (°C) | 17.5 | 18.5 | 18.6 | 18.9 | 19.1 | 19.2 | 19.6 | 19.2 | 19.3 | 18.7 | 18.9 | 19.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.3 | 8.9 | 7.0 | 8.3 | 7.8 | 8.1 | 7.7 | 8.1 | 6.5 | 7.0 | 6.4 | 8.2 |
| Precipitation (mm) | 123 | 112 | 286 | 233 | 173 | 172 | 115 | 138 | 250 | 427 | 441 | 179 |
| Sunny days | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 |
| Rainy days | 30 | 25 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osamvain is at