Ottawa weather in April
April in Ottawa: cool, rainy, with clean air — a good time to visit.
#7 of 12 months in Ottawa · #760 of 897 destinations to visit in April · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ottawa in April
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Ottawa climate normals — April
| Daytime high | 12°C / 53°F | 🙂 cool |
|---|---|---|
| Nighttime low | 1°C / 35°F | |
| Rainfall | 104 mm / 4.1 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 0°C / 31°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 13.5 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 6 cm / 2.4 in | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ottawa in April — FAQ
- Is April a good time to visit Ottawa?
- April in Ottawa: cool, rainy, with clean air — a good time to visit. It ranks #7 of 12 months for Ottawa on SeasonMap's comfort score (69/100).
- What is the weather like in Ottawa in April?
- In April, Ottawa averages a daily high of 11.6°C and a low of 1.4°C, with about 103.5 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Ottawa in April?
- Ottawa has a mean US Air Quality Index of about 41 in April.
- Does it snow in Ottawa in April?
- Ottawa sees roughly 6 cm of snowfall in April.