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Climate · Ottawa

Ottawa in April

Cool and damp, as the days lengthen.

Typical weather, averaged over 30 years

April in Ottawa is cool: highs near 54°F, lows near 33°F. Rain falls on about three days a week, and the days lengthen by 1 hour 6 minutes from the first week to the last.April in Ottawa is cool: highs near 12°C, lows near 1°C. Rain falls on about three days a week, and the days lengthen by 1 hour 6 minutes from the first week to the last.

High
54°F12°Caverage
Low
33°F1°Caverage
Wet days
3a week · 39% of days
Daylight
13h 28mon average

Is April a good time to visit Ottawa?

April sits outside Ottawa's best months, which run in two parts: June, or August to September. Expect cool days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How April sits in the year

week by week

Temperature

Highs near 54°F in April, against 28°F to 82°F through the year.Highs near 12°C in April, against -2°C to 28°C through the year.

Chance of a wet day

39% of days in April, against 32% to 43% through the year.

Cloud cover

59% cover in April, against 42% to 70% through the year.

Daylight

13h 28m in April, against 8h 46m to 15h 36m through the year.

Week by week, lightly smoothed, with April shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. March39°4°low 19°low -7°2 wet days a weekRain on about two days a week.
  2. April54°12°low 33°low 1°3 wet days a weekRain on about three days a week.
  3. May68°20°low 46°low 8°3 wet days a weekRain on about three days a week.

Where Ottawa sits, in April

America/Toronto
this place
typical high in April 40°F4°C95°F35°C
Sunrise, mid-April
6:19 AMsets 7:47 PM
Above the sea
70 mlow-lying
Latitude
45.4°Nnorthern hemisphere
Nearest of ours
Mont-Tremblant115 km north-east

The land around Ottawa, shaded by its typical high in April, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in April

high · low · wet days
See April on the planning mapThe whole year in Ottawa

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Ottawa. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.