Oshawa Weather: May
 |
Average Day Temperature: | 59.8°F |
|
Average Night Temperature: | 48.6°F |
|
Sea Water Temperature: | 46.1°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 14.2 - 15.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.7 in | |
| detailed information | ||
forecast
| Oshawa |
Temperature
| Oshawa |
Air Temperature in May, °F
The highest day temperature in May 2025 was 71°F. The lowest night temperature was 36°F. The average values for day and night temperatures during May were 60.0°F и 46.5°F respectivly.
Oshawa Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for Oshawa was 44.3°F. The maximum and minimum values were 40.4°F and 49.6°F respectively.
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 Oshawa is 0.7 in. It makes may one of the least rainy months of the year.
The average wind speed in May is 8.4 mph. It makes May one of the most windless months of the year for Oshawa.
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 May is 7.9 hours.
Oshawa on the Weather Map
| Halifax |  |
+24 |
| Kingston |  |
+4 |
| Moncton | |
+2 |
| Montreal | |
-2 |
| Niagara Falls | |
+10 |
| Ottawa | |
-4 |
| Prince Edward Island | |
+16 |
| Quebec | |
-12 |
| Rocky Harbour |  |
+28 |
| St. John's |  |
+32 |
| Sydney | |
+34 |
| Toronto | |
+10 |
| Vancouver | |
+42 |
| Victoria | |
+44 |
| Winnipeg | |
+12 |
| 0300 |  |
4°F | N 4 mph |
| 0600 |  |
8°F | N 5 mph |
| 0900 | |
18°F | N 12 mph |
| 1200 | |
24°F | NE 14 mph |
| 1500 | |
28°F | NE 13 mph |
| 1800 | |
28°F | NE 9 mph |
| 2100 | |
30°F | NE 11 mph |
| 0000 | |
30°F | NE 14 mph |