Average annual temperature is 16.1 °C
Absolute maximum temperature: 23.0 °C
Absolute minimum temperature: 9.4 °C
Number of sunny days: 17 days
Number of rainy days: 348 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) | 20.2 | 19.8 | 22.2 | 23.0 | 23.0 | 22.3 | 22.1 | 22.8 | 22.4 | 22.0 | 21.5 | 21.4 |
| Average daytime temperature (°C) | 17.4 | 17.0 | 19.0 | 20.1 | 21.2 | 20.9 | 20.3 | 20.6 | 21.0 | 20.3 | 19.8 | 18.8 |
| Average temperature (°C) | 14.3 | 13.8 | 15.1 | 15.7 | 17.1 | 17.3 | 16.9 | 17.1 | 16.9 | 16.9 | 16.6 | 15.6 |
| Average night temperature (°C) | 12.1 | 11.8 | 12.2 | 12.4 | 14.2 | 14.5 | 14.5 | 14.4 | 13.9 | 14.6 | 14.3 | 13.4 |
| Absolute minimum temperature (°C) | 10.1 | 9.4 | 10.3 | 10.1 | 11.3 | 13.3 | 12.8 | 12.6 | 12.6 | 13.3 | 12.9 | 11.5 |
| 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 | 12.4 | 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) | 9.6 | 10.5 | 9.4 | 10.5 | 9.9 | 8.1 | 8.7 | 9.0 | 9.4 | 6.7 | 8.0 | 9.2 |
| Precipitation (mm) | 155 | 81 | 137 | 72 | 171 | 206 | 222 | 293 | 178 | 338 | 366 | 147 |
| Sunny days | 2 | 1 | 4 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 3 |
| Rainy days | 29 | 27 | 27 | 28 | 28 | 30 | 31 | 31 | 29 | 31 | 29 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Norte is at