Average annual temperature is 28.5 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of Senna
* Weather data for Senna Ghana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.8 | 40.0 | 41.9 | 40.0 | 38.2 | 35.4 | 32.8 | 31.2 | 33.2 | 36.0 | 36.0 | 36.2 |
| Average daytime temperature (°C) | 35.7 | 38.0 | 38.1 | 36.9 | 35.2 | 32.2 | 30.8 | 29.6 | 30.2 | 32.5 | 35.2 | 34.3 |
| Average temperature (°C) | 27.9 | 30.6 | 31.8 | 31.5 | 30.2 | 28.1 | 26.9 | 25.9 | 26.4 | 27.8 | 29.4 | 26.1 |
| Average night temperature (°C) | 20.8 | 23.6 | 26.3 | 26.5 | 26.1 | 24.7 | 23.8 | 23.3 | 23.2 | 24.0 | 24.0 | 19.2 |
| Absolute minimum temperature (°C) | 17.3 | 20.8 | 22.5 | 23.9 | 24.2 | 22.5 | 22.7 | 22.1 | 21.9 | 22.8 | 19.5 | 16.7 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.3 | 10.4 | 9.3 | 9.3 | 10.3 | 9.5 | 8.7 | 7.7 | 9.0 | 9.7 | 10.4 | 10.1 |
| Precipitation (mm) | 0 | 0 | 33 | 81 | 40 | 97 | 183 | 294 | 202 | 81 | 21 | 0 |
| Sunny days | 31 | 28 | 22 | 18 | 14 | 6 | 3 | 0 | 1 | 15 | 23 | 31 |
| Rainy days | 0 | 0 | 9 | 12 | 17 | 24 | 28 | 31 | 29 | 16 | 7 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Senna is at