Average annual temperature is 26.2 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 20.8 °C
Number of sunny days: 130 days
Number of rainy days: 235 days
Look at detailed online map of San Juan
* Weather data for San Juan Ecuador is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.0 | 31.1 | 31.0 | 31.4 | 31.7 | 30.5 | 31.8 | 33.3 | 34.9 | 35.2 | 33.0 | 34.0 |
| Average daytime temperature (°C) | 30.8 | 29.7 | 29.5 | 29.8 | 29.8 | 28.9 | 29.8 | 31.3 | 32.7 | 32.3 | 31.0 | 31.4 |
| Average temperature (°C) | 26.2 | 25.6 | 25.4 | 25.7 | 26.3 | 25.7 | 25.9 | 26.3 | 26.9 | 27.0 | 26.2 | 26.8 |
| Average night temperature (°C) | 22.9 | 23.2 | 22.8 | 23.1 | 24.0 | 23.3 | 22.9 | 22.2 | 22.2 | 23.0 | 22.4 | 23.3 |
| Absolute minimum temperature (°C) | 21.6 | 22.3 | 21.4 | 21.7 | 23.1 | 21.6 | 21.7 | 21.1 | 20.8 | 22.1 | 21.5 | 21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.7 | 7.4 | 7.4 | 7.7 | 7.6 | 8.4 | 8.9 | 9.1 | 9.3 | 8.5 | 8.8 | 8.2 |
| Precipitation (mm) | 136 | 358 | 659 | 763 | 250 | 95 | 29 | 3 | 0 | 52 | 21 | 73 |
| Sunny days | 6 | 0 | 0 | 0 | 0 | 11 | 17 | 24 | 29 | 17 | 15 | 11 |
| Rainy days | 25 | 28 | 31 | 30 | 31 | 19 | 14 | 7 | 1 | 14 | 15 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at