Measurements:
°C
°F
Ottawa
20°F
NW 6 mph
Feels like: 12°F
Precip: 0%
World Resorts USA Ottawa Weather May Weather in Ottawa

Ottawa Weather: May

Average Day Temperature: 70.8°F
Average Night Temperature: 56.0°F
Number of Sunny Days: 10 days
Sunshine Hours: 14.0 - 14.9 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.7 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 87°F. The lowest night temperature was 48°F. The average values for day and night temperatures during May were 75.0°F и 58.1°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Ottawa is 1.7 in. It makes may the most rainy month of the year.

Wind Speed in May, mph

The average wind speed in May is 9.3 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ottawa in May is 7.6 hours.

Best Time to Visit Ottawa
The most sunny months:
September 19 days
August 16 days
June 15 days
The most warm months:
August 84.9 °F
July 83.7 °F
June 81.8 °F
The most cold months:
January 27.2 °F
February 31.2 °F
December 37.3 °F
The most rainy months:
June 3 days
May 3 days
March 3 days
The most windy months:
March 11 mph
April 11 mph
November 10 mph

Ottawa on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Ottawa
Local time: 04:52
22 dec, sunday
0600 20°F
NW
6 mph
0900 24°F
NW
7 mph
1200 30°F
N
13 mph
1500 32°F
N
13 mph
1800 30°F
N
12 mph
2100 28°F
N
16 mph
23 dec, monday
0000 28°F
N
16 mph
0300 28°F
N
17 mph