Weather in Oshawa: June
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Average day temperature: | 69.8°F |
| Average night temperature: | 59.6°F | |
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Sea water temperature: | 55.5°F |
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Number of sunny days: | 11 days |
| Day length: | 15.3 - 15.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
| more information | ||
14 days
forecast
forecast
| Oshawa |
sea water
temperature
temperature
| Oshawa |
Air temperature in June, °F
Show year:
2025
2024
2023
The highest day temperature during June of 2025 was 89°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during June were 72.1°F and 58.4°F.
Sea water temperature in Oshawa in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 53.9°F. The highest and lowest sea temperatures during the month were 60.4°F and 46.6°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in June is almost equal.
Precipitation total in June, in.
Precipitation total value in Oshawa in June is 1.0 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
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: 8.5.
Best time for vacation in Oshawa
Oshawa on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Oshawa
Local time: 05:04
December 05, friday
0600
12°F
N
5 mph
5 mph
0900
21°F
N
12 mph
12 mph
1200
27°F
NE
14 mph
14 mph
1500
30°F
NE
13 mph
13 mph
1800
30°F
NE
9 mph
9 mph
2100
32°F
NE
11 mph
11 mph
December 06, saturday
0000
32°F
NE
14 mph
14 mph
0300
32°F
NE
16 mph
16 mph
