Oshawa Weather: June
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Average Day Temperature: | 72.0°F |
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Average Night Temperature: | 60.6°F |
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Sea Water Temperature: | 56.1°F |
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Number of Sunny Days: | 11 days |
| Sunshine Hours: | 15.3 - 15.5 hours | |
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Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.0 in | |
| detailed information | ||
forecast
| Oshawa |
Temperature
| Oshawa |
Air Temperature in June, °F
The highest day temperature in June 2025 was 94°F. The lowest night temperature was 41°F. The average values for day and night temperatures during June were 74.6°F и 59.4°F respectivly.
Oshawa Water Sea Temperature in June, °F
The average sea surface temperature in June 2025 for Oshawa was 54.3°F. The maximum and minimum values were 46.2°F and 61.6°F respectively.
You can expect various weather conditions during June. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in June, in
Precipitation total in June for Oshawa is 1.0 in. It makes june one of the most rainy months of the year.
The average wind speed in June is 8.5 mph.
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 Oshawa in June is 8.8 hours.
| Halifax | ![]() |
+24 |
| Moncton | ![]() |
+18 |
| Montreal | ![]() |
+14 |
| Niagara Falls | ![]() |
+14 |
| Ottawa | ![]() |
+14 |
| Prince Edward Island | ![]() |
+20 |
| Quebec | ![]() |
+8 |
| Saint John | ![]() |
+20 |
| St. John's | ![]() |
+16 |
| Sydney | ![]() |
+28 |
| Toronto | ![]() |
+18 |
| Vancouver | ![]() |
+52 |
| Victoria | ![]() |
+54 |
| Winnipeg | ![]() |
+40 |
| Yellowknife | ![]() |
-10 |
| 1800 | ![]() |
20°F | NE 7 mph |
| 2100 | ![]() |
18°F | NE 7 mph |
| 0000 | ![]() |
14°F | NE 9 mph |
| 0300 | ![]() |
12°F | NE 8 mph |
| 0600 | ![]() |
16°F | N 9 mph |
| 0900 | ![]() |
20°F | N 10 mph |
| 1200 | ![]() |
22°F | N 11 mph |
| 1500 | ![]() |
22°F | NE 9 mph |
































