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Climate · Ottawa

Ottawa in June

Warm and damp, as the days hold steady.

Typical weather, averaged over 30 years

June in Ottawa is warm: highs near 78°F, lows near 57°F. Rain falls on about three days a week, more often as the month goes on, and daylight holds at about 15 hours 36 minutes.June in Ottawa is warm: highs near 26°C, lows near 14°C. Rain falls on about three days a week, more often as the month goes on, and daylight holds at about 15 hours 36 minutes.

High
78°F26°Caverage
Low
57°F14°Caverage
Wet days
3a week · 38% of days
Daylight
15h 36mon average

Is June a good time to visit Ottawa?

Yes. June is one of Ottawa's best months (June, or August to September).

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 June sits in the year

week by week

Temperature

Highs near 78°F in June, against 28°F to 82°F through the year.Highs near 26°C in June, against -2°C to 28°C through the year.

Chance of a wet day

38% of days in June, against 32% to 43% through the year.

Cloud cover

53% cover in June, against 42% to 70% through the year.

Daylight

15h 36m in June, against 8h 46m to 15h 36m through the year.

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

Either side

  1. May68°20°low 46°low 8°3 wet days a weekRain on about three days a week.
  2. June78°26°low 57°low 14°3 wet days a weekRain on about three days a week.
  3. July82°28°low 62°low 17°3 wet days a weekRain on about three days a week.

Where Ottawa sits, in June

America/Toronto
this place
typical high in June 40°F4°C95°F35°C
Sunrise, mid-June
5:13 AMsets 8:52 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 June, 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 June

high · low · wet days
See June 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.