Average annual temperature is 10.9 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -19.8 °C
Number of sunny days: 163 days
Number of rainy days: 187 days
Number of snow days: 15 days
Look at detailed online map of Oldcastle
* Weather data for Oldcastle Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.9 | 15.0 | 16.0 | 26.6 | 30.6 | 31.7 | 32.1 | 29.6 | 31.5 | 27.8 | 16.0 | 14.9 |
| Average daytime temperature (°C) | 3.9 | 6.0 | 7.2 | 15.5 | 21.2 | 25.8 | 27.5 | 25.5 | 23.4 | 16.4 | 9.4 | 7.3 |
| Average temperature (°C) | 0.5 | 0.1 | 2.4 | 9.5 | 14.4 | 20.0 | 22.5 | 20.7 | 18.7 | 12.5 | 4.7 | 4.1 |
| Average night temperature (°C) | -2.4 | -4.2 | -1.0 | 4.2 | 8.4 | 14.6 | 18.0 | 16.5 | 14.7 | 9.2 | 0.9 | 1.5 |
| Absolute minimum temperature (°C) | -19.8 | -19.7 | -6.3 | -3.7 | 1.0 | 9.6 | 14.4 | 9.7 | 9.2 | -3.2 | -7.0 | -4.1 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.1 | 7.0 | 6.7 | 8.4 | 11.1 | 11.6 | 11.7 | 10.6 | 9.1 | 6.0 | 6.3 | 3.3 |
| Precipitation (mm) | 81 | 78 | 99 | 110 | 40 | 81 | 110 | 82 | 42 | 71 | 39 | 63 |
| Sunny days | 10 | 14 | 11 | 13 | 22 | 18 | 7 | 13 | 13 | 11 | 19 | 12 |
| Rainy days | 16 | 12 | 16 | 17 | 9 | 12 | 24 | 18 | 17 | 19 | 9 | 18 |
| Snow days | 5 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Oldcastle during the most sunny months:
The largest precipitation sum in Oldcastle is at