Average annual temperature is 25.0 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Massamayan
* Weather data for Massamayan 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) | 34.5 | 36.3 | 36.4 | 36.0 | 35.5 | 32.5 | 32.4 | 33.0 | 32.2 | 33.4 | 33.8 | 34.7 |
| Average daytime temperature (°C) | 32.6 | 34.5 | 35.0 | 34.3 | 32.1 | 29.8 | 29.3 | 28.9 | 30.0 | 30.5 | 32.0 | 32.3 |
| Average temperature (°C) | 23.8 | 26.6 | 27.4 | 27.2 | 25.8 | 24.5 | 24.0 | 23.7 | 24.1 | 24.4 | 25.1 | 23.7 |
| Average night temperature (°C) | 16.6 | 19.7 | 21.5 | 22.6 | 22.0 | 21.4 | 20.9 | 20.9 | 20.9 | 20.8 | 20.2 | 16.8 |
| Absolute minimum temperature (°C) | 14.2 | 16.7 | 18.3 | 21.5 | 20.7 | 20.5 | 20.1 | 20.3 | 20.0 | 19.2 | 16.7 | 13.9 |
| 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 | 12.3 | 12.6 | 12.7 | 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) | 10.2 | 10.1 | 9.6 | 9.1 | 8.6 | 7.7 | 8.0 | 7.3 | 8.4 | 9.0 | 9.8 | 10.6 |
| Precipitation (mm) | 3 | 2 | 37 | 57 | 202 | 198 | 293 | 340 | 441 | 171 | 71 | 0 |
| Sunny days | 28 | 26 | 23 | 14 | 5 | 1 | 1 | 0 | 0 | 4 | 12 | 31 |
| Rainy days | 3 | 2 | 8 | 16 | 26 | 29 | 30 | 31 | 30 | 27 | 18 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Massamayan is at