Average annual temperature is 23.4 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 206 days
Number of rainy days: 159 days
Look at detailed online map of Oakville
* Weather data for Oakville United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.6 | 31.2 | 34.1 | 34.4 | 33.2 | 41.3 | 40.3 | 41.7 | 39.1 | 35.0 | 31.4 | 26.9 |
| Average daytime temperature (°C) | 22.3 | 23.1 | 27.8 | 27.4 | 30.0 | 37.4 | 38.0 | 39.1 | 36.7 | 29.1 | 22.7 | 22.1 |
| Average temperature (°C) | 16.1 | 16.3 | 21.0 | 21.6 | 25.0 | 30.3 | 31.2 | 31.8 | 30.4 | 23.6 | 17.6 | 15.7 |
| Average night temperature (°C) | 11.5 | 11.8 | 16.6 | 17.4 | 20.9 | 24.8 | 26.0 | 26.3 | 25.4 | 19.7 | 13.7 | 10.8 |
| Absolute minimum temperature (°C) | 0.8 | 1.6 | 6.3 | 12.0 | 16.9 | 19.9 | 23.7 | 23.9 | 23.7 | 7.6 | 5.2 | 2.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.7 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.7 | 7.7 | 7.1 | 7.8 | 9.1 | 12.5 | 12.6 | 11.8 | 11.1 | 8.3 | 5.9 | 7.4 |
| Precipitation (mm) | 62 | 23 | 40 | 208 | 184 | 25 | 49 | 35 | 9 | 90 | 41 | 21 |
| Sunny days | 19 | 14 | 12 | 11 | 6 | 23 | 22 | 25 | 18 | 15 | 19 | 22 |
| Rainy days | 12 | 14 | 19 | 19 | 25 | 7 | 9 | 6 | 12 | 16 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Oakville during the most sunny months:
The largest precipitation sum in Oakville is at