Average annual temperature is 22.4 °C
Absolute maximum temperature: 45.0 °C
Absolute minimum temperature: 2.2 °C
Number of sunny days: 334 days
Number of rainy days: 31 days
Look at detailed online map of Fonseca
* Weather data for Fonseca Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 24.0 | 21.9 | 28.7 | 36.5 | 35.2 | 39.1 | 45.0 | 42.8 | 41.7 | 37.1 | 31.6 | 26.4 |
| Average daytime temperature (°C) | 18.0 | 17.7 | 21.9 | 28.9 | 30.9 | 34.5 | 42.0 | 38.0 | 35.9 | 31.7 | 23.7 | 20.6 |
| Average temperature (°C) | 12.2 | 11.7 | 15.7 | 22.3 | 24.4 | 27.4 | 35.6 | 31.8 | 29.0 | 24.9 | 17.9 | 14.8 |
| Average night temperature (°C) | 7.9 | 7.3 | 10.5 | 16.6 | 18.1 | 21.1 | 28.7 | 26.2 | 22.9 | 19.4 | 13.2 | 10.0 |
| Absolute minimum temperature (°C) | 2.2 | 3.5 | 4.4 | 5.7 | 9.6 | 14.7 | 23.2 | 19.1 | 16.7 | 10.1 | 7.7 | 5.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.9 | 9.5 | 10.0 | 12.1 | 12.8 | 13.1 | 12.8 | 11.5 | 11.3 | 10.6 | 8.8 | 8.9 |
| Precipitation (mm) | 28 | 10 | 18 | 0 | 0 | 0 | 0 | 45 | 0 | 1 | 11 | 10 |
| Sunny days | 25 | 23 | 25 | 30 | 31 | 30 | 28 | 27 | 29 | 30 | 26 | 30 |
| Rainy days | 6 | 5 | 6 | 0 | 0 | 0 | 3 | 4 | 1 | 1 | 4 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fonseca is at