Discover the best time of year, based on historical climate, temperature, and precipitation.
The best time to visit Ottawa South is May, June, September, when the weather, flight prices, and crowds align. — consistent weather climate
🌦Humid
| Score | 11 | 13 | 13 | 29 | 83 | 76 | 76 | 74 | 85 | 52 | 16 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Humid | Humid | Humid | Mild | Cold | Cold | Polar |
| Temperature | -12–-3°C | -12–-1°C | -5–5°C | 1–12°C | 8–20°C | 14–25°C | 17–27°C | 16–25°C | 12–22°C | 7–15°C | 0–7°C | -6–1°C |
| Feels like | -17–-8°C | -17–-6°C | -10–1°C | -3–9°C | 5–18°C | 13–25°C | 18–28°C | 17–27°C | 11–21°C | 4–13°C | -4–3°C | -11–-4°C |
| Precipitation | 80mm 12 days | 66mm 11 days | 75mm 12 days | 103mm 13 days | 74mm 8 days | 117mm 11 days | 119mm 11 days | 128mm 12 days | 74mm 7 days | 84mm 11 days | 70mm 9 days | 95mm 15 days |
| Sunshine | 4.1h ☀︎ 44% | 5.6h ☀︎ 54% | 6.7h ☀︎ 56% | 7.6h ☀︎ 56% | 10.9h ☀︎ 73% | 10.6h ☀︎ 68% | 11.8h ☀︎ 78% | 10.7h ☀︎ 76% | 9.6h ☀︎ 77% | 6.3h ☀︎ 57% | 5.1h ☀︎ 53% | 2.6h ☀︎ 30% |
| Wind | NO · 16 km/h | O · 18 km/h | O · 19 km/h | O · 19 km/h | O · 17 km/h | O · 17 km/h | O · 15 km/h | O · 14 km/h | SO · 15 km/h | SO · 17 km/h | SO · 18 km/h | O · 17 km/h |
| Humidity (%) | 77% | 73% | 69% | 65% | 62% | 69% | 72% | 76% | 75% | 76% | 74% | 77% |
| Day length | 9.2h | 10.4h | 12.0h | 13.6h | 14.9h | 15.6h | 15.2h | 14.0h | 12.5h | 10.9h | 9.5h | 8.8h |
| Tourist Crowds | Low season | Low season | Low season | Shoulder season | Shoulder season | High season | High season | High season | High season | Shoulder season | Shoulder season | Shoulder season |