World Resorts USA Ottawa Weather

Ottawa weather in August

Weather in Ottawa: August

Average day temperature: 81.9°F
Average night temperature: 66.2°F
Number of sunny days: 15 days
Day length: 13.1 - 14.4 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in August, °F

Show year:
2023
2022
2021

The highest day temperature during August of 2023 was 101°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during August were 82.7°F and 65.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Ottawa in August is 0.8 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.3 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.1.

Best time for vacation in Ottawa

Sunniest months:
September 18 days
November 16 days
August 15 days
Warmest months:
August 81.9 °F
July 80.9 °F
June 78.9 °F
Coldest months:
January 29.5 °F
February 33.0 °F
December 38.6 °F
Rainiest months:
June 4 days
May 4 days
March 3 days
Windiest months:
March 11.3 mph
April 11.0 mph
November 10.2 mph

Ottawa on a weather map

Ottawa
+66°F
E 6 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+59°F
+75°F
+73°F
+73°F
+59°F
+84°F
+59°F
+77°F
+61°F
+52°F
+79°F
+81°F
+75°F
+66°F
24 Hours Forecast
Ottawa
Local time: 02:25
May 19, sunday
0300
66°F
E
6 mph
0600
66°F
S
6 mph
0900
68°F
SW
11 mph
1200
75°F
W
9 mph
1500
79°F
W
6 mph
1800
77°F
W
5 mph
2100
68°F
W
12 mph
May 20, monday
0000
63°F
W
10 mph
Units of measurement: °C / °F