Average annual temperature is 24.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 104 days
Number of rainy days: 261 days
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* Weather data for Mongo Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.5 | 36.7 | 36.4 | 33.8 | 33.8 | 31.2 | 30.9 | 30.8 | 31.2 | 31.3 | 33.1 | 34.2 |
| Average daytime temperature (°C) | 33.2 | 34.2 | 32.7 | 31.9 | 30.7 | 28.5 | 28.4 | 28.2 | 28.7 | 29.3 | 29.5 | 31.5 |
| Average temperature (°C) | 24.7 | 27.1 | 26.1 | 25.8 | 25.2 | 23.9 | 23.6 | 23.6 | 23.8 | 24.1 | 24.3 | 23.8 |
| Average night temperature (°C) | 17.5 | 21.2 | 21.6 | 22.2 | 22.0 | 21.4 | 21.1 | 21.2 | 21.3 | 21.1 | 20.9 | 17.5 |
| Absolute minimum temperature (°C) | 14.5 | 19.2 | 19.1 | 20.7 | 20.8 | 20.8 | 19.8 | 20.0 | 20.2 | 20.2 | 18.4 | 14.6 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.0 | 9.7 | 8.7 | 8.6 | 7.5 | 6.5 | 7.2 | 6.5 | 7.6 | 8.4 | 8.4 | 10.2 |
| Precipitation (mm) | 46 | 5 | 100 | 152 | 286 | 275 | 352 | 341 | 327 | 251 | 121 | 1 |
| Sunny days | 25 | 22 | 14 | 4 | 1 | 0 | 0 | 1 | 0 | 1 | 7 | 29 |
| Rainy days | 6 | 6 | 17 | 26 | 30 | 30 | 31 | 30 | 30 | 30 | 23 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mongo is at