Average annual temperature is 27.3 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 14.6 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Seymana
* Weather data for Seymana 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) | 35.9 | 38.1 | 38.5 | 39.5 | 38.6 | 34.3 | 34.0 | 32.1 | 32.3 | 35.3 | 35.7 | 36.1 |
| Average daytime temperature (°C) | 32.8 | 35.7 | 37.0 | 37.9 | 34.1 | 31.6 | 30.5 | 29.3 | 30.0 | 32.1 | 34.3 | 33.8 |
| Average temperature (°C) | 24.8 | 28.1 | 30.1 | 31.3 | 28.7 | 27.1 | 26.1 | 25.1 | 25.4 | 26.9 | 27.8 | 25.8 |
| Average night temperature (°C) | 17.6 | 20.8 | 23.6 | 25.0 | 24.3 | 23.2 | 22.6 | 22.0 | 22.0 | 22.5 | 21.7 | 18.1 |
| Absolute minimum temperature (°C) | 14.6 | 18.9 | 19.5 | 22.6 | 21.5 | 22.2 | 21.5 | 20.8 | 21.0 | 20.8 | 17.5 | 15.2 |
| 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 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 10.4 | 10.1 | 10.2 | 10.2 | 9.1 | 9.6 | 9.4 | 8.7 | 9.6 | 10.2 | 10.6 | 10.6 |
| Precipitation (mm) | 1 | 0 | 6 | 19 | 96 | 69 | 172 | 241 | 220 | 61 | 0 | 0 |
| Sunny days | 30 | 28 | 26 | 26 | 15 | 11 | 4 | 1 | 4 | 14 | 28 | 31 |
| Rainy days | 1 | 0 | 5 | 4 | 16 | 19 | 27 | 30 | 26 | 17 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seymana is at