Average annual temperature is 12.8 °C
Absolute maximum temperature: 18.7 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 14 days
Number of rainy days: 351 days
Look at detailed online map of Tres de Junio
* Weather data for Tres de Junio 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) | 16.3 | 17.1 | 17.6 | 17.8 | 18.7 | 18.0 | 18.1 | 18.4 | 17.7 | 18.3 | 17.9 | 17.4 |
| Average daytime temperature (°C) | 14.7 | 15.2 | 15.5 | 15.9 | 17.2 | 16.8 | 16.7 | 16.9 | 16.8 | 16.7 | 16.4 | 15.9 |
| Average temperature (°C) | 11.0 | 11.0 | 11.8 | 12.3 | 13.6 | 13.6 | 13.4 | 13.5 | 13.3 | 13.6 | 13.2 | 12.6 |
| Average night temperature (°C) | 8.2 | 8.2 | 9.1 | 9.2 | 10.9 | 11.1 | 11.0 | 10.9 | 10.5 | 11.2 | 11.0 | 10.3 |
| Absolute minimum temperature (°C) | 6.1 | 6.4 | 6.9 | 6.8 | 9.8 | 9.5 | 9.6 | 9.5 | 9.1 | 10.2 | 9.6 | 8.5 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.0 | 10.7 | 9.4 | 10.4 | 9.6 | 8.4 | 8.4 | 8.7 | 9.2 | 7.1 | 8.2 | 9.7 |
| Precipitation (mm) | 94 | 45 | 267 | 133 | 279 | 316 | 279 | 281 | 320 | 681 | 396 | 125 |
| Sunny days | 2 | 0 | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Rainy days | 29 | 28 | 29 | 26 | 28 | 30 | 31 | 31 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tres de Junio is at