Ottawa Weather in April
April in Ottawa sees daytime temperatures around 12°C (54°F) and lows of 1°C (34°F) at night. With around 98 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Ottawa in April
This month experiences about 11 days of rain according to historical data, averaging 98 mm (3.9 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Ottawa in April
April in Ottawa brings moderate temperatures, with highs of 12°C (54°F) and nights around 1°C (34°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Ottawa in April
The month experiences a moderate amount of sunlight, with 188 hours of sunshine. This provides a nice balance between sunshine and clouds.If you prefer enjoying temperate temperatures and rain-free days, May, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Ottawa's climate page.
Ottawa Temperature in April
Min Temperature
1°C (34°F)
Max Temperature
12°C (54°F)
Chance of Rain
37%
Precipitation
98 mm (3.9 in)
Rainy days
11 days
Humidity
51%
Sunshine
188 hours
Percentage Sunshine
47%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ottawa typically rise from around 7°C (45°F) at the start of April to approximately 15°C (59°F) by the end. Nights are cold, with lows typically ranging from -3°C (27°F) to 4°C (39°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Ottawa in April
Browse day-by-day weather records for Ottawa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ottawa historical weather extremes in April
Our historical data for Ottawa spans 1976 to 2026, revealing these weather extremes.
- The hottest April day on record in Ottawa reached 31°C (88°F) (April 27, 1990).
Best Places in Canada in April
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in April →
perfect weather
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tolerable
unpleasant
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What to Wear in Ottawa in April
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Ottawa in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Ottawa's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ottawa climate overview or explore weather in Canada.
