World Resorts Canada Oshawa Weather

Oshawa weather in June

Weather in Oshawa: June

Average day temperature: 70.3°F
Average night temperature: 59.4°F
Sea water temperature: 54.8°F
Number of sunny days: 12 days
Day length: 15.3 - 15.5 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.

Air temperature in June, °F

Show year:
2026
2025
2024

The highest day temperature during June of 2026 was 86°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during June were 73.4°F and 58.3°F.

Sea water temperature in Oshawa in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 49.6°F. The highest and lowest sea temperatures during the month were 57.0°F and 46.0°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in June, in.

Precipitation total value in Oshawa in June is 0.9 in. Other months of the year show relatively similar values.

Wind speed in June, mph

The average wind speed value in June is 8.5 mph It makes June 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 June is: 9.2.

Best time for vacation in Oshawa

Sunniest months:
September 15 days
August 14 days
July 12 days
Warmest months:
July 76.1 °F
August 75.3 °F
June 70.3 °F
Warmest sea temp:
August 70.6 °F
September 67.3 °F
July 67.1 °F
Coldest months:
January 26.6 °F
February 27.6 °F
December 33.6 °F
Rainiest months:
July 3 days
April 2 days
March 2 days
Windiest months:
December 11.7 mph
November 11.7 mph
January 11.7 mph

Oshawa on a weather map

Oshawa
+61°F
S 6 mph
Feels like: +61°F
Precip.: 11%
Places in Canada:
Name
°F
+48°F
+57°F
+54°F
+68°F
+55°F
+66°F
+59°F
+59°F
+63°F
+61°F
+57°F
+52°F
+55°F
+59°F
24 Hours Forecast
Oshawa
Local time: 01:59
June 27, saturday
0300
61°F
S
6 mph
0600
61°F
S
6 mph
0900
70°F
SW
4 mph
1200
73°F
W
3 mph
1500
70°F
N
6 mph
1800
70°F
NE
2 mph
2100
64°F
SE
1 mph
June 28, sunday
0000
61°F
S
4 mph
Units of measurement: °C / °F