Average annual temperature is 27.7 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 21.5 °C
Number of sunny days: 96 days
Number of rainy days: 269 days
Look at detailed online map of Guardia
* Weather data for Guardia 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) | 33.7 | 34.8 | 35.9 | 35.8 | 37.6 | 33.9 | 34.8 | 34.6 | 34.1 | 32.4 | 32.7 | 33.3 |
| Average daytime temperature (°C) | 32.0 | 33.6 | 33.4 | 34.6 | 34.6 | 31.1 | 32.4 | 31.8 | 32.1 | 30.3 | 30.5 | 31.9 |
| Average temperature (°C) | 27.3 | 28.4 | 28.1 | 29.1 | 29.4 | 27.2 | 27.9 | 27.3 | 27.4 | 26.1 | 26.5 | 27.6 |
| Average night temperature (°C) | 23.5 | 24.8 | 24.0 | 24.6 | 25.4 | 24.6 | 24.8 | 24.4 | 24.1 | 23.7 | 23.7 | 24.1 |
| Absolute minimum temperature (°C) | 21.5 | 23.5 | 22.8 | 22.9 | 23.0 | 23.7 | 23.1 | 23.1 | 23.1 | 22.9 | 22.8 | 21.8 |
| 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 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.5 | 11.0 | 10.5 | 11.3 | 10.5 | 8.6 | 9.9 | 8.8 | 9.6 | 7.9 | 9.0 | 10.3 |
| Precipitation (mm) | 21 | 0 | 83 | 29 | 121 | 343 | 243 | 291 | 269 | 549 | 297 | 20 |
| Sunny days | 14 | 26 | 15 | 15 | 9 | 0 | 1 | 2 | 0 | 0 | 1 | 13 |
| Rainy days | 17 | 2 | 16 | 15 | 22 | 30 | 30 | 29 | 30 | 31 | 29 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guardia is at