World Resorts Canada Ottawa

Ottawa Monthly Weather Averages

Please click on any column to get detailed information about Ottawa weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Ottawa is july. The average daily temp is 77.8°F. The average nightly temp is 62.6°F.

Precipitation total, in.

September is the month with least precipitations during the year. The average precipitation totals for this month is 1.8 in. The month with most precipitation total is April.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Ottawa

Sunniest months:
July 14 days
August 14 days
September 12 days
Warmest months:
July 78.2 °F
August 76.2 °F
June 71.5 °F
Coldest months:
January 19.0 °F
February 21.5 °F
December 27.3 °F
Rainiest months:
June 6 days
April 6 days
August 5 days
Windiest months:
April 9.8 mph
March 9.0 mph
February 8.8 mph

Ottawa on a weather map

Ottawa
+7°F
SE 11 mph
Feels like: -9°F
Precip.: 0%
Places in Canada:
Name
°F
+46°F
+48°F
+10°F
+25°F
+1°F
+7°F
+21°F
+9°F
+16°F
+7°F
+21°F
+36°F
+14°F
+12°F
24 Hours Forecast
Ottawa
Local time: 00:14
December 22, sunday
0300
5°F
SE
10 mph
0600
5°F
SE
9 mph
0900
7°F
SE
8 mph
1200
14°F
SE
6 mph
1500
18°F
SE
4 mph
1800
18°F
E
2 mph
2100
12°F
NE
2 mph
December 23, monday
0000
10°F
N
4 mph
Units of measurement: °C / °F