Average annual temperature is 11.1 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 214 days
Number of rainy days: 148 days
Number of snow days: 3 days
Look at detailed online map of Heredia
* Weather data for Heredia 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) | 14.8 | 16.0 | 18.1 | 22.4 | 25.9 | 29.2 | 28.8 | 27.2 | 26.0 | 23.3 | 19.9 | 17.3 |
| Average daytime temperature (°C) | 9.8 | 11.2 | 13.7 | 17.8 | 20.2 | 25.4 | 26.6 | 23.5 | 23.9 | 19.3 | 14.6 | 12.8 |
| Average temperature (°C) | 3.4 | 4.0 | 6.7 | 9.9 | 12.7 | 17.7 | 18.7 | 16.7 | 16.9 | 12.2 | 8.0 | 5.6 |
| Average night temperature (°C) | -1.4 | -0.8 | 1.1 | 2.8 | 5.8 | 10.5 | 12.0 | 11.5 | 11.0 | 6.9 | 3.2 | 0.5 |
| Absolute minimum temperature (°C) | -9.6 | -7.0 | -4.1 | -2.0 | 2.3 | 6.0 | 9.5 | 9.4 | 8.7 | 0.3 | -4.7 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.4 | 9.5 | 10.0 | 11.9 | 12.0 | 12.4 | 12.4 | 11.4 | 11.0 | 9.3 | 9.1 | 8.9 |
| Precipitation (mm) | 10 | 19 | 34 | 11 | 26 | 9 | 54 | 98 | 37 | 17 | 15 | 4 |
| Sunny days | 25 | 19 | 22 | 25 | 19 | 20 | 8 | 5 | 8 | 16 | 20 | 27 |
| Rainy days | 5 | 7 | 9 | 5 | 12 | 10 | 23 | 26 | 22 | 15 | 10 | 4 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heredia is at