Average annual temperature is 22.9 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Nianam
* Weather data for Nianam 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) | 31.1 | 31.8 | 31.8 | 31.0 | 31.0 | 30.9 | 29.8 | 30.6 | 30.0 | 30.7 | 30.3 | 32.3 |
| Average daytime temperature (°C) | 28.7 | 30.0 | 28.6 | 29.1 | 28.7 | 28.6 | 28.6 | 28.9 | 28.3 | 28.5 | 27.9 | 29.6 |
| Average temperature (°C) | 22.6 | 23.4 | 22.7 | 22.9 | 23.3 | 22.9 | 22.9 | 22.9 | 22.6 | 22.5 | 22.3 | 23.6 |
| Average night temperature (°C) | 19.1 | 19.6 | 19.7 | 19.6 | 20.2 | 20.0 | 20.0 | 19.8 | 20.0 | 19.9 | 19.7 | 20.0 |
| Absolute minimum temperature (°C) | 17.8 | 17.9 | 18.0 | 18.8 | 19.4 | 18.9 | 19.0 | 18.6 | 19.3 | 18.5 | 18.2 | 18.6 |
| 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) | 8.1 | 9.0 | 6.9 | 8.3 | 7.7 | 8.0 | 7.6 | 7.9 | 6.5 | 6.9 | 6.1 | 8.3 |
| Precipitation (mm) | 132 | 99 | 253 | 223 | 155 | 153 | 120 | 157 | 237 | 472 | 490 | 179 |
| Sunny days | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 |
| Rainy days | 30 | 26 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nianam is at