Average annual temperature is 8.1 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -31.6 °C
Number of sunny days: 124 days
Number of rainy days: 188 days
Number of snow days: 53 days
Look at detailed online map of Rideau Gardens
* Weather data for Rideau Gardens 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) | 4.5 | 11.0 | 7.6 | 27.5 | 31.6 | 33.5 | 32.2 | 27.0 | 32.1 | 29.1 | 14.3 | 9.7 |
| Average daytime temperature (°C) | -1.2 | -0.3 | 3.3 | 13.7 | 19.6 | 24.9 | 26.7 | 23.9 | 23.2 | 16.0 | 5.2 | 2.0 |
| Average temperature (°C) | -5.0 | -6.6 | -1.3 | 6.8 | 12.9 | 19.0 | 21.8 | 19.1 | 17.6 | 12.0 | 1.3 | -1.3 |
| Average night temperature (°C) | -8.5 | -11.4 | -5.2 | 1.0 | 6.4 | 13.6 | 17.5 | 15.2 | 13.1 | 8.8 | -1.8 | -3.8 |
| Absolute minimum temperature (°C) | -19.4 | -31.6 | -12.9 | -10.0 | 1.1 | 8.8 | 13.1 | 10.7 | 7.6 | -1.6 | -8.5 | -14.5 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11.0 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.2 | 5.3 | 6.5 | 8.1 | 11.0 | 10.3 | 11.5 | 10.0 | 9.8 | 5.3 | 4.8 | 2.5 |
| Precipitation (mm) | 117 | 85 | 84 | 90 | 93 | 102 | 218 | 120 | 17 | 99 | 44 | 95 |
| Sunny days | 6 | 7 | 11 | 12 | 21 | 10 | 1 | 7 | 19 | 10 | 11 | 9 |
| Rainy days | 8 | 9 | 9 | 18 | 10 | 20 | 30 | 24 | 11 | 21 | 12 | 16 |
| Snow days | 17 | 12 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 6 |
The best time to visit Rideau Gardens during the most sunny months:
Months with the longest average daylight duration in Rideau Gardens:
The largest precipitation sum in Rideau Gardens is at