Average annual temperature is 17.7 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 281 days
Number of rainy days: 83 days
Number of snow days: 1 day
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) | 21.8 | 21.9 | 22.8 | 32.0 | 30.0 | 38.6 | 38.0 | 38.7 | 37.5 | 33.6 | 29.0 | 23.9 |
| Average daytime temperature (°C) | 13.3 | 14.8 | 18.0 | 25.7 | 27.7 | 31.8 | 36.2 | 33.6 | 32.5 | 27.8 | 20.9 | 17.4 |
| Average temperature (°C) | 6.4 | 7.0 | 10.5 | 17.6 | 20.4 | 24.6 | 28.7 | 26.8 | 25.5 | 20.4 | 14.1 | 9.4 |
| Average night temperature (°C) | 1.1 | 1.6 | 4.5 | 9.6 | 12.7 | 16.4 | 21.0 | 20.2 | 18.5 | 13.4 | 7.7 | 3.1 |
| Absolute minimum temperature (°C) | -4.6 | -4.8 | -3.3 | 0.3 | 7.4 | 9.7 | 18.5 | 16.7 | 15.4 | 5.3 | 0.3 | -2.4 |
| 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 | 14.0 | 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) | 8.1 | 8.5 | 9.9 | 12.1 | 12.5 | 12.6 | 12.3 | 11.4 | 11.2 | 10.4 | 9.3 | 8.6 |
| Precipitation (mm) | 49 | 46 | 27 | 0 | 9 | 0 | 36 | 45 | 10 | 8 | 7 | 22 |
| Sunny days | 21 | 16 | 26 | 30 | 26 | 30 | 15 | 12 | 24 | 28 | 26 | 27 |
| Rainy days | 9 | 12 | 5 | 0 | 5 | 0 | 16 | 19 | 6 | 3 | 4 | 4 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heredia is at