Average annual temperature is 24.6 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 80 days
Number of rainy days: 285 days
Look at detailed online map of Iyai
* Weather data for Iyai 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) | 33.8 | 35.0 | 34.5 | 33.1 | 33.3 | 31.0 | 31.3 | 31.5 | 31.3 | 30.5 | 31.8 | 33.1 |
| Average daytime temperature (°C) | 32.3 | 33.2 | 31.6 | 31.6 | 30.6 | 28.6 | 28.6 | 28.3 | 28.7 | 28.8 | 29.9 | 31.5 |
| Average temperature (°C) | 24.5 | 26.5 | 25.5 | 25.5 | 25.2 | 23.9 | 23.5 | 23.5 | 23.8 | 24.0 | 24.6 | 24.4 |
| Average night temperature (°C) | 18.1 | 21.6 | 21.7 | 22.1 | 22.1 | 21.5 | 21.3 | 21.4 | 21.3 | 21.3 | 21.4 | 18.8 |
| Absolute minimum temperature (°C) | 13.9 | 20.2 | 20.8 | 20.3 | 20.8 | 20.4 | 20.4 | 20.7 | 20.3 | 20.1 | 20.2 | 16.0 |
| 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 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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 | 9.7 | 8.3 | 8.3 | 7.0 | 6.9 | 6.7 | 6.1 | 7.8 | 7.6 | 8.8 | 10.4 |
| Precipitation (mm) | 30 | 29 | 179 | 195 | 247 | 289 | 377 | 409 | 348 | 293 | 100 | 2 |
| Sunny days | 24 | 18 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 28 |
| Rainy days | 7 | 10 | 26 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 26 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Iyai during the most sunny months:
The largest precipitation sum in Iyai is at