World Resorts USA 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 august. The average daily temp is 81.4°F. The average nightly temp is 65.6°F.

Precipitation total, in.

November is the month with least precipitations during the year. The average precipitation totals for this month is 0.5 in. The month with most precipitation total is May.

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:
September 19 days
August 16 days
November 16 days
Warmest months:
August 81.4 °F
July 80.4 °F
June 78.7 °F
Coldest months:
January 29.5 °F
February 33.0 °F
December 38.6 °F
Rainiest months:
June 3 days
May 3 days
March 3 days
Windiest months:
March 11.3 mph
April 11.0 mph
November 10.2 mph

Ottawa on a weather map

Ottawa
+34°F
E 25 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+72°F
+72°F
+66°F
+34°F
24 Hours Forecast
Ottawa
Local time: 12:38
November 21, thursday
1500
34°F
SE
25 mph
1800
36°F
SE
25 mph
2100
37°F
S
14 mph
November 22, friday
0000
37°F
S
9 mph
0300
37°F
SE
12 mph
0600
37°F
SE
15 mph
0900
37°F
SE
14 mph
1200
39°F
SE
17 mph
Units of measurement: °C / °F