Best Time to Visit Ottawa South: Month-by-Month Guide
Best months for Ottawa South: June, August, July, September.
- Best months for Ottawa South: June, August, July, September.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September. Good weather without the busiest period.
- Wettest months: July, October, May.
- The least pleasant month is December (score 3.6).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -5°C | -15°C | 73 mm | 11 | – | – | 3.6 |
| February | -3°C | -13°C | 58 mm | 9 | – | – | 3.9 |
| March | 3°C | -7°C | 72 mm | 10 | – | – | 4.1 |
| April | 11°C | 1°C | 89 mm | 11 | – | – | 5.7 |
| May | 19°C | 8°C | 89 mm | 12 | – | – | 7.1 |
| June | 24°C | 13°C | 98 mm | 11 | – | – | 7.5 |
| July | 26°C | 15°C | 98 mm | 12 | – | – | 7.4 |
| August | 25°C | 15°C | 90 mm | 11 | – | – | 7.5 |
| September | 21°C | 10°C | 94 mm | 10 | – | – | 7.4 |
| October | 13°C | 4°C | 99 mm | 12 | – | – | 6.0 |
| November | 5°C | -2°C | 83 mm | 11 | – | – | 4.6 |
| December | -2°C | -9°C | 80 mm | 11 | – | – | 3.6 |
Frequently asked questions
When is the best time to visit Ottawa South?
The best months are June, August, July, September.
When is the rainy season in Ottawa South?
The wettest months are July, October, May.