Average annual temperature is 25.1 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Unión de Coto
* Weather data for Unión de Coto 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) | 30.0 | 33.1 | 32.7 | 31.8 | 32.7 | 30.5 | 31.4 | 31.1 | 30.5 | 30.7 | 29.8 | 30.4 |
| Average daytime temperature (°C) | 28.3 | 30.8 | 29.9 | 30.5 | 30.1 | 29.2 | 28.7 | 28.9 | 29.1 | 28.8 | 28.1 | 29.3 |
| Average temperature (°C) | 23.9 | 25.6 | 25.1 | 25.6 | 26.0 | 25.5 | 25.2 | 25.2 | 25.0 | 24.6 | 24.6 | 25.2 |
| Average night temperature (°C) | 20.3 | 21.0 | 21.3 | 21.9 | 22.8 | 22.8 | 22.6 | 22.6 | 22.4 | 22.1 | 22.3 | 21.7 |
| Absolute minimum temperature (°C) | 18.4 | 19.5 | 19.1 | 20.3 | 21.1 | 21.8 | 21.5 | 21.3 | 21.7 | 20.7 | 21.1 | 19.9 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.3 | 10.9 | 10.0 | 10.4 | 9.1 | 7.9 | 6.6 | 7.6 | 8.0 | 7.0 | 7.0 | 10.3 |
| Precipitation (mm) | 142 | 17 | 215 | 138 | 389 | 374 | 481 | 470 | 416 | 589 | 597 | 238 |
| Sunny days | 1 | 12 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 30 | 16 | 30 | 28 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Unión de Coto is at