Ottawa · April
Run in the midday.
Cool month: average high 51°F, low 32°F. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
Avg high / low
51° / 32°F
Humidity
66%
Rain days
15/mo
Wind
11 mph
What April feels like in Ottawa
Sunrise
06:16
Mid-month average
Sunset
19:49
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Often the warmest few hours of a cold day. If you can only run once, midday gives you the most temperate window.
Evening
Cold drops back in fast after sunset. Tight window — done before headlamp territory.
What to wear running in Ottawa in April
The kit for April in Ottawa: cold-weather layers, gloves, and ear coverage on most mornings, a water-resistant cap or jacket on standby.
April vs the surrounding months
vs March
+15° avg high
0 rain days
Ottawa in March →
April
51°F avg high
15 rain days
Best: midday
vs May
-15° avg high
+1 rain days
Ottawa in May →
Frequently Asked Questions
What is the best time of day to run in Ottawa in April?+
Midday. Cold mornings warm into runnable midday hours — the windows around noon catch the warmest temperatures.
What's the average temperature in Ottawa in April?+
Average high 51°F, average low 32°F.
How does April compare to surrounding months in Ottawa?+
Compared to March (avg high 36°F), April is warmer. Compared to May (avg high 66°F), April is cooler.
Does it rain often in Ottawa in April?+
Expect about 15 measurable rain days in April, on average.