Average annual temperature is 28.1 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of Piiri
* Weather data for Piiri 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) | 37.9 | 39.3 | 41.5 | 40.8 | 38.3 | 35.6 | 32.9 | 31.9 | 32.9 | 36.1 | 36.0 | 36.6 |
| Average daytime temperature (°C) | 35.3 | 37.7 | 37.9 | 38.2 | 34.6 | 31.9 | 30.8 | 29.6 | 30.3 | 32.7 | 35.0 | 34.7 |
| Average temperature (°C) | 27.1 | 29.8 | 31.0 | 31.8 | 29.5 | 27.5 | 26.6 | 25.4 | 26.0 | 27.5 | 28.5 | 26.5 |
| Average night temperature (°C) | 19.6 | 22.6 | 24.5 | 26.0 | 25.2 | 23.8 | 23.3 | 22.6 | 22.5 | 23.1 | 22.6 | 19.3 |
| Absolute minimum temperature (°C) | 17.7 | 19.9 | 21.4 | 23.1 | 23.9 | 22.0 | 22.0 | 21.6 | 20.8 | 21.4 | 18.2 | 17.5 |
| 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 | 12.4 | 12.6 | 12.7 | 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) | 10.7 | 10.9 | 9.8 | 9.8 | 10.3 | 9.4 | 9.1 | 8.0 | 9.6 | 9.8 | 10.1 | 10.2 |
| Precipitation (mm) | 0 | 0 | 29 | 38 | 56 | 95 | 86 | 259 | 178 | 43 | 2 | 0 |
| Sunny days | 31 | 28 | 22 | 24 | 12 | 10 | 5 | 0 | 4 | 16 | 26 | 31 |
| Rainy days | 0 | 0 | 9 | 6 | 19 | 20 | 26 | 31 | 26 | 15 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Piiri is at