Best Time to Visit Ottawa: Month-by-Month Guide
Best months for Ottawa: September, August, July.
- Best months for Ottawa: September, August, July.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September, October. Good weather without the busiest period.
- Wettest months: May, April, June.
- The least pleasant month is January (score 4.0).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -8°C | 55 mm | 8 | – | – | 4.0 |
| February | 3°C | -5°C | 51 mm | 7 | – | – | 4.6 |
| March | 10°C | 0°C | 72 mm | 10 | – | – | 5.7 |
| April | 17°C | 6°C | 109 mm | 12 | – | – | 6.5 |
| May | 23°C | 12°C | 122 mm | 13 | – | – | 7.1 |
| June | 27°C | 17°C | 112 mm | 12 | – | – | 7.3 |
| July | 29°C | 19°C | 97 mm | 11 | – | – | 7.6 |
| August | 28°C | 18°C | 89 mm | 10 | – | – | 7.8 |
| September | 25°C | 14°C | 79 mm | 8 | – | – | 8.0 |
| October | 18°C | 7°C | 78 mm | 9 | – | – | 7.3 |
| November | 10°C | 1°C | 68 mm | 9 | – | – | 5.9 |
| December | 3°C | -4°C | 56 mm | 8 | – | – | 4.5 |
Frequently asked questions
When is the best time to visit Ottawa?
The best months are September, August, July.
When is the rainy season in Ottawa?
The wettest months are May, April, June.