Average annual temperature is 25.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 85 days
Number of rainy days: 280 days
Look at detailed online map of Onyimso
* Weather data for Onyimso 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) | 35.4 | 36.9 | 34.3 | 32.8 | 33.8 | 31.1 | 30.0 | 29.7 | 31.2 | 32.0 | 33.5 | 34.7 |
| Average daytime temperature (°C) | 33.5 | 34.9 | 31.7 | 30.8 | 31.0 | 28.4 | 28.2 | 28.2 | 28.6 | 29.3 | 31.0 | 33.0 |
| Average temperature (°C) | 26.5 | 27.6 | 25.9 | 25.3 | 25.5 | 23.8 | 23.6 | 23.7 | 23.8 | 24.3 | 25.2 | 26.5 |
| Average night temperature (°C) | 21.6 | 22.7 | 22.4 | 22.1 | 22.5 | 21.2 | 21.3 | 21.3 | 21.3 | 21.6 | 22.1 | 21.7 |
| Absolute minimum temperature (°C) | 19.3 | 21.1 | 21.1 | 20.8 | 21.2 | 19.9 | 20.4 | 20.5 | 20.7 | 20.8 | 21.1 | 20.4 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.7 | 9.9 | 8.1 | 8.3 | 9.0 | 8.1 | 8.0 | 7.6 | 7.6 | 8.2 | 9.5 | 9.9 |
| Precipitation (mm) | 21 | 13 | 112 | 145 | 106 | 213 | 209 | 145 | 244 | 178 | 86 | 2 |
| Sunny days | 24 | 19 | 7 | 2 | 1 | 2 | 0 | 0 | 0 | 2 | 3 | 25 |
| Rainy days | 7 | 9 | 24 | 28 | 30 | 28 | 31 | 31 | 30 | 29 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onyimso is at