Best Time to Visit Ottawa South
Best time: Jul, Jun, Aug, May.
Jul is warmest (27.4°C high); Jun is rainiest (89 mm).
Ottawa South weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -5.9 | -15.5 | 59 | 2.4 |
| Feb | -3.8 | -14.1 | 56 | 3.9 |
| Mar | 2.4 | -7.6 | 64 | 5.6 |
| Apr | 10.9 | 0.4 | 68 | 7.3 |
| May | 19.4 | 7.5 | 81 | 8.7 |
| Jun | 24.6 | 12.8 | 89 | 9.5 |
| Jul | 27.4 | 15.5 | 88 | 9.4 |
| Aug | 26 | 14.5 | 89 | 8.1 |
| Sep | 20.8 | 10 | 86 | 6 |
| Oct | 13.4 | 3.8 | 79 | 3.7 |
| Nov | 5.7 | -1.7 | 83 | 2.1 |
| Dec | -2.3 | -10.6 | 77 | 1.8 |
Average high temperature
Best months by activity
Overall: JulJunAugMay
Beaches: JulAug
Hiking: MayJunAugSep
Sightseeing: JulJunMayAug
Ottawa South quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Ottawa South?
Jul, Jun, Aug, May.
What is the rainiest month?
Jun, about 89 mm.
What is the warmest month?
Jul, with average highs of 27.4°C.
Where to stay
Book Ottawa South hotels · Ottawa South tours & activities
All destinations · Best time to visit Toronto · Best time to visit Abbotsford · Best time to visit Ahuntsic-Cartierville · Best time to visit Ajax
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.