Average annual temperature is 14.4 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 194 days
Number of rainy days: 170 days
Number of snow days: 1 day
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) | 19.1 | 19.0 | 19.4 | 29.5 | 29.1 | 30.1 | 35.2 | 34.9 | 35.5 | 26.9 | 21.8 | 18.1 |
| Average daytime temperature (°C) | 10.5 | 10.7 | 12.4 | 19.7 | 21.0 | 26.3 | 30.6 | 29.4 | 26.1 | 21.1 | 13.5 | 10.7 |
| Average temperature (°C) | 6.4 | 6.1 | 7.0 | 14.2 | 15.8 | 20.7 | 25.7 | 24.3 | 21.3 | 15.7 | 8.4 | 6.7 |
| Average night temperature (°C) | 3.2 | 1.9 | 2.2 | 9.7 | 11.1 | 15.9 | 21.6 | 20.4 | 17.3 | 11.5 | 4.2 | 3.1 |
| Absolute minimum temperature (°C) | -3.4 | -9.6 | -3.6 | 1.9 | 4.7 | 9.8 | 18.1 | 15.9 | 12.4 | 5.2 | -4.6 | -3.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.3 | 6.9 | 7.6 | 9.5 | 11.5 | 10.7 | 11.8 | 10.3 | 8.6 | 8.5 | 7.8 | 5.5 |
| Precipitation (mm) | 88 | 47 | 71 | 135 | 50 | 84 | 139 | 72 | 155 | 44 | 59 | 184 |
| Sunny days | 15 | 16 | 13 | 18 | 19 | 15 | 9 | 12 | 15 | 20 | 23 | 19 |
| Rainy days | 16 | 11 | 18 | 12 | 12 | 15 | 22 | 19 | 15 | 11 | 7 | 12 |
| Snow days | 0 | 1 | 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