Average annual temperature is 25.8 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Altos Fernández
* Weather data for Altos Fernández Costa Rica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.2 | 34.5 | 35.3 | 35.8 | 35.7 | 30.4 | 33.4 | 32.8 | 29.8 | 28.8 | 30.1 | 31.3 |
| Average daytime temperature (°C) | 30.4 | 32.8 | 31.8 | 33.5 | 31.7 | 28.5 | 29.2 | 28.6 | 28.3 | 27.5 | 27.6 | 30.0 |
| Average temperature (°C) | 25.5 | 27.5 | 26.7 | 27.7 | 26.9 | 25.2 | 25.5 | 25.0 | 24.9 | 24.3 | 24.5 | 25.7 |
| Average night temperature (°C) | 21.8 | 23.6 | 22.8 | 23.3 | 23.2 | 22.6 | 22.8 | 22.6 | 22.1 | 22.2 | 22.1 | 22.5 |
| Absolute minimum temperature (°C) | 18.4 | 21.4 | 20.2 | 20.8 | 21.4 | 21.6 | 20.6 | 21.3 | 21.1 | 21.1 | 20.8 | 19.3 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.4 | 12.2 | 11.9 | 11.7 | 11.5 |
| 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) | 10.3 | 10.6 | 10.4 | 11.1 | 10.0 | 8.5 | 8.8 | 8.5 | 9.0 | 7.5 | 8.4 | 10.0 |
| Precipitation (mm) | 77 | 0 | 101 | 39 | 217 | 465 | 506 | 571 | 488 | 824 | 407 | 49 |
| Sunny days | 16 | 27 | 14 | 10 | 6 | 0 | 1 | 0 | 0 | 0 | 1 | 11 |
| Rainy days | 15 | 1 | 17 | 20 | 25 | 30 | 30 | 31 | 30 | 31 | 29 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Altos Fernández is at