Average annual temperature is 25.0 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 29 days
Number of rainy days: 336 days
Look at detailed online map of Issami
* Weather data for Issami 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) | 33.1 | 34.6 | 35.4 | 33.0 | 33.1 | 32.0 | 32.5 | 32.7 | 32.7 | 33.2 | 32.0 | 34.2 |
| Average daytime temperature (°C) | 30.7 | 32.6 | 31.0 | 30.6 | 31.1 | 29.7 | 30.4 | 30.2 | 30.4 | 30.3 | 29.2 | 30.9 |
| Average temperature (°C) | 24.8 | 25.8 | 25.1 | 25.0 | 25.5 | 24.6 | 25.3 | 24.9 | 24.9 | 24.8 | 24.4 | 25.3 |
| Average night temperature (°C) | 21.0 | 21.5 | 21.5 | 21.7 | 22.1 | 21.5 | 21.4 | 21.3 | 21.7 | 22.0 | 21.7 | 22.0 |
| Absolute minimum temperature (°C) | 19.0 | 19.1 | 20.2 | 20.5 | 20.8 | 20.6 | 20.8 | 19.0 | 20.8 | 20.8 | 20.8 | 20.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.5 | 9.6 | 8.0 | 8.7 | 9.4 | 8.8 | 10.1 | 8.9 | 8.6 | 8.2 | 7.4 | 8.9 |
| Precipitation (mm) | 73 | 58 | 172 | 171 | 132 | 112 | 31 | 110 | 185 | 210 | 281 | 156 |
| Sunny days | 7 | 4 | 4 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 5 |
| Rainy days | 24 | 24 | 27 | 29 | 29 | 28 | 29 | 29 | 30 | 31 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Issami is at