Average annual temperature is 11.0 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 163 days
Number of rainy days: 202 days
Look at detailed online map of City of Oakville
* Weather data for City of 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) | 13.0 | 14.6 | 17.6 | 26.3 | 31.6 | 29.8 | 33.7 | 37.7 | 31.8 | 25.8 | 15.6 | 14.2 |
| Average daytime temperature (°C) | 9.1 | 8.6 | 10.9 | 12.9 | 22.1 | 23.0 | 27.2 | 28.6 | 22.6 | 16.9 | 10.4 | 9.9 |
| Average temperature (°C) | 5.4 | 4.1 | 5.2 | 7.8 | 14.8 | 15.5 | 18.7 | 20.1 | 15.4 | 11.2 | 6.2 | 6.4 |
| Average night temperature (°C) | 2.8 | 1.2 | 1.5 | 4.3 | 9.5 | 10.2 | 12.2 | 14.2 | 11.0 | 7.4 | 3.2 | 3.9 |
| Absolute minimum temperature (°C) | -5.1 | -5.1 | -3.0 | -1.3 | 4.8 | 4.7 | 9.5 | 9.6 | 5.9 | -1.3 | -3.5 | -1.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 4.9 | 6.7 | 6.0 | 10.9 | 11.5 | 12.7 | 11.2 | 8.0 | 5.9 | 4.8 | 2.8 |
| Precipitation (mm) | 146 | 112 | 115 | 170 | 25 | 31 | 7 | 26 | 84 | 96 | 193 | 262 |
| Sunny days | 8 | 10 | 3 | 5 | 19 | 21 | 27 | 21 | 16 | 13 | 12 | 8 |
| Rainy days | 23 | 18 | 28 | 25 | 12 | 9 | 4 | 10 | 14 | 18 | 18 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Oakville during the most sunny months:
Months with the longest average daylight duration in City of Oakville:
The largest precipitation sum in City of Oakville is at