Average annual temperature is 18.1 °C
Absolute maximum temperature: 27.3 °C
Absolute minimum temperature: 9.2 °C
Number of sunny days: 59 days
Number of rainy days: 306 days
Look at detailed online map of San Juan Norte
* Weather data for San Juan Norte 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) | 24.5 | 26.6 | 26.3 | 26.4 | 27.3 | 25.2 | 25.2 | 26.4 | 26.0 | 24.7 | 25.1 | 25.8 |
| Average daytime temperature (°C) | 22.7 | 23.4 | 23.4 | 24.4 | 24.9 | 23.1 | 23.7 | 23.8 | 24.4 | 22.7 | 22.9 | 23.5 |
| Average temperature (°C) | 16.9 | 17.4 | 17.4 | 17.9 | 18.9 | 18.3 | 18.7 | 18.6 | 18.6 | 18.0 | 18.2 | 18.4 |
| Average night temperature (°C) | 12.5 | 13.3 | 13.1 | 13.1 | 14.9 | 14.6 | 15.2 | 14.8 | 14.6 | 14.9 | 14.8 | 15.2 |
| Absolute minimum temperature (°C) | 9.2 | 10.5 | 10.2 | 9.9 | 13.7 | 13.3 | 13.0 | 12.8 | 13.5 | 13.7 | 13.8 | 12.8 |
| 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 | 12.3 | 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) | 10.4 | 10.9 | 9.8 | 10.7 | 9.5 | 8.1 | 8.8 | 8.8 | 9.3 | 7.0 | 8.3 | 10.2 |
| Precipitation (mm) | 46 | 7 | 195 | 132 | 232 | 357 | 258 | 281 | 219 | 614 | 306 | 66 |
| Sunny days | 12 | 18 | 6 | 3 | 5 | 0 | 1 | 1 | 0 | 0 | 1 | 12 |
| Rainy days | 19 | 10 | 25 | 27 | 26 | 30 | 30 | 30 | 30 | 31 | 29 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Norte is at