Average annual temperature is 24.7 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 11 days
Number of rainy days: 354 days
Look at detailed online map of Tres Millas
* Weather data for Tres Millas 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) | 29.4 | 29.0 | 30.5 | 33.9 | 32.8 | 33.6 | 32.6 | 32.6 | 33.2 | 32.2 | 31.8 | 31.5 |
| Average daytime temperature (°C) | 27.3 | 28.0 | 28.6 | 29.8 | 31.0 | 30.2 | 29.4 | 30.2 | 30.7 | 29.7 | 28.8 | 28.2 |
| Average temperature (°C) | 22.8 | 23.0 | 23.8 | 24.5 | 25.9 | 25.6 | 25.1 | 25.5 | 25.7 | 25.4 | 24.8 | 24.2 |
| Average night temperature (°C) | 19.6 | 19.3 | 20.3 | 20.3 | 22.5 | 22.5 | 22.4 | 22.5 | 22.4 | 22.7 | 22.2 | 21.3 |
| Absolute minimum temperature (°C) | 17.9 | 17.8 | 18.7 | 18.1 | 20.9 | 21.5 | 21.3 | 21.0 | 21.0 | 21.9 | 20.9 | 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) | 9.2 | 10.3 | 9.1 | 10.6 | 10.1 | 8.3 | 7.2 | 8.8 | 9.3 | 7.4 | 7.7 | 8.3 |
| Precipitation (mm) | 396 | 243 | 191 | 114 | 184 | 312 | 526 | 383 | 326 | 358 | 459 | 381 |
| Sunny days | 0 | 0 | 0 | 8 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 22 | 30 | 30 | 31 | 30 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tres Millas is at