Average annual temperature is 27.7 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 181 days
Number of rainy days: 184 days
Look at detailed online map of Jonam
* Weather data for Jonam Nigeria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.9 | 38.0 | 38.8 | 37.9 | 36.5 | 33.8 | 33.1 | 33.1 | 33.8 | 34.0 | 35.1 | 34.5 |
| Average daytime temperature (°C) | 34.7 | 36.3 | 35.7 | 35.5 | 34.4 | 30.7 | 31.4 | 30.9 | 31.4 | 32.7 | 33.1 | 33.1 |
| Average temperature (°C) | 27.2 | 28.4 | 29.7 | 30.0 | 29.1 | 26.5 | 27.0 | 26.6 | 26.7 | 27.6 | 27.8 | 25.6 |
| Average night temperature (°C) | 20.8 | 21.6 | 25.2 | 25.9 | 25.4 | 23.7 | 23.7 | 23.6 | 23.4 | 24.1 | 23.6 | 19.6 |
| Absolute minimum temperature (°C) | 18.9 | 19.9 | 22.7 | 24.1 | 24.3 | 22.5 | 22.7 | 22.6 | 22.1 | 23.2 | 19.7 | 17.9 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.8 | 10.9 | 8.8 | 9.1 | 9.4 | 7.1 | 8.9 | 8.0 | 8.6 | 9.3 | 9.4 | 10.5 |
| Precipitation (mm) | 0 | 0 | 30 | 55 | 130 | 210 | 144 | 156 | 197 | 99 | 48 | 0 |
| Sunny days | 31 | 28 | 24 | 19 | 8 | 3 | 2 | 1 | 3 | 10 | 21 | 31 |
| Rainy days | 0 | 0 | 7 | 11 | 23 | 27 | 29 | 30 | 27 | 21 | 9 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jonam is at