Average annual temperature is 25.0 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 125 days
Number of rainy days: 240 days
Look at detailed online map of Sayi
* Weather data for Sayi Democratic Republic of the Congo is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.4 | 32.7 | 33.4 | 32.4 | 34.5 | 35.0 | 35.5 | 37.8 | 36.4 | 36.9 | 35.2 | 31.0 |
| Average daytime temperature (°C) | 27.7 | 29.8 | 28.6 | 29.4 | 32.1 | 33.4 | 34.1 | 35.2 | 32.8 | 33.3 | 28.8 | 28.6 |
| Average temperature (°C) | 22.7 | 23.9 | 23.3 | 23.6 | 25.7 | 26.6 | 26.5 | 27.8 | 25.8 | 26.5 | 23.5 | 23.5 |
| Average night temperature (°C) | 19.2 | 19.9 | 19.8 | 19.9 | 20.7 | 20.4 | 19.8 | 21.1 | 20.8 | 21.2 | 20.0 | 20.1 |
| Absolute minimum temperature (°C) | 17.6 | 17.8 | 18.4 | 18.3 | 19.0 | 18.9 | 17.8 | 18.0 | 19.5 | 19.5 | 18.7 | 18.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.5 | 8.2 | 7.5 | 8.7 | 10.1 | 10.5 | 10.7 | 10.6 | 9.1 | 10.2 | 7.4 | 7.9 |
| Precipitation (mm) | 172 | 119 | 251 | 168 | 46 | 2 | 0 | 0 | 67 | 26 | 218 | 210 |
| Sunny days | 1 | 5 | 3 | 2 | 20 | 21 | 30 | 27 | 6 | 9 | 1 | 0 |
| Rainy days | 30 | 23 | 28 | 28 | 11 | 9 | 1 | 4 | 24 | 22 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sayi is at