Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Ottawa is from April, September, October. — consistent weather climate
🌦Humid
| Score | 18 | 28 | 48 | 81 | 68 | 66 | 50 | 62 | 87 | 86 | 48 | 32 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Rainy | Humid | Hot & rainy | Hot & dry | Pleasant | Mild | Cold | Cold |
| Temperature | -4–5°C | -3–8°C | 4–15°C | 8–20°C | 14–24°C | 20–31°C | 21–32°C | 21–32°C | 17–28°C | 11–21°C | 4–14°C | 0–9°C |
| Feels like | -9–1°C | -8–4°C | 0–12°C | 4–18°C | 13–25°C | 21–33°C | 24–35°C | 23–35°C | 17–29°C | 8–19°C | 1–11°C | -4–6°C |
| Precipitation | 54mm 8 days | 38mm 5 days | 89mm 9 days | 93mm 7 days | 175mm 12 days | 105mm 7 days | 122mm 8 days | 62mm 5 days | 73mm 5 days | 79mm 6 days | 73mm 5 days | 33mm 5 days |
| Sunshine | 6.0h ☀︎ 62% | 8.3h ☀︎ 77% | 8.1h ☀︎ 68% | 10.1h ☀︎ 76% | 9.4h ☀︎ 65% | 12.3h ☀︎ 83% | 11.9h ☀︎ 81% | 11.8h ☀︎ 86% | 10.9h ☀︎ 87% | 9.0h ☀︎ 80% | 7.5h ☀︎ 74% | 6.7h ☀︎ 70% |
| Wind | W · 18 km/h | W · 20 km/h | SW · 22 km/h | SW · 23 km/h | SE · 19 km/h | S · 17 km/h | SE · 15 km/h | SE · 16 km/h | SE · 16 km/h | SW · 19 km/h | SW · 20 km/h | SW · 19 km/h |
| Humidity (%) | 70% | 63% | 66% | 61% | 71% | 67% | 69% | 68% | 64% | 61% | 67% | 70% |
| Day length | 9.8h | 10.8h | 12.0h | 13.2h | 14.3h | 14.8h | 14.6h | 13.6h | 12.4h | 11.2h | 10.1h | 9.5h |