Average annual temperature is 24.8 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Ontario
* Weather data for Ontario Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.8 | 32.8 | 34.3 | 32.7 | 31.8 | 32.1 | 33.2 | 33.9 | 35.8 | 35.8 | 34.5 | 34.5 |
| Average daytime temperature (°C) | 29.5 | 30.0 | 30.4 | 30.8 | 30.0 | 29.8 | 31.0 | 31.5 | 32.7 | 32.9 | 31.0 | 31.5 |
| Average temperature (°C) | 24.1 | 24.6 | 24.6 | 24.9 | 24.6 | 23.5 | 24.2 | 24.6 | 25.3 | 25.9 | 25.3 | 25.7 |
| Average night temperature (°C) | 20.7 | 21.4 | 21.2 | 21.0 | 21.1 | 18.8 | 19.3 | 19.7 | 20.7 | 21.8 | 21.9 | 22.2 |
| Absolute minimum temperature (°C) | 17.2 | 19.9 | 19.8 | 17.7 | 19.7 | 14.8 | 16.3 | 17.9 | 19.0 | 20.4 | 20.3 | 20.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.5 | 11.5 | 11.7 | 12.0 | 12.4 | 12.6 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.4 | 7.7 | 7.7 | 9.1 | 9.3 | 9.6 | 9.8 | 10.2 | 9.8 | 9.2 | 7.7 | 8.9 |
| Precipitation (mm) | 315 | 226 | 167 | 139 | 203 | 16 | 56 | 92 | 110 | 203 | 227 | 157 |
| Sunny days | 3 | 1 | 2 | 4 | 6 | 15 | 14 | 11 | 8 | 3 | 0 | 2 |
| Rainy days | 28 | 27 | 29 | 26 | 25 | 15 | 17 | 20 | 22 | 28 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ontario is at