World Resorts Canada Oshawa Weather

Oshawa weather in March

Weather in Oshawa: March

Average day temperature: 37.8°F
Average night temperature: 31.4°F
Sea water temperature: 37.3°F
Number of sunny days: 6 days
Day length: 11.2 - 12.7 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in March, °F

Show year:
2025
2024
2023

The highest day temperature during March of 2025 was 52°F. At the same time the lowest night temperature was 5°F. Daily and nightly averages during March were 37.8°F and 30.0°F.

Sea water temperature in Oshawa in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 36.8°F. The highest and lowest sea temperatures during the month were 39.0°F and 33.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in March, in.

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

Wind speed in March, mph

The average wind speed value in March is 11.5 mph It makes March one of the most 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 March is: 4.9.

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 69.8 °F
Warmest sea temp:
August 70.6 °F
September 67.3 °F
July 67.1 °F
Coldest months:
January 27.2 °F
February 27.9 °F
December 34.8 °F
Rainiest months:
July 3 days
April 3 days
March 2 days
Windiest months:
November 11.7 mph
March 11.5 mph
February 11.4 mph

Oshawa on a weather map

Oshawa
+12°F
N 5 mph
Feels like: +5°F
Precip.: 84%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+12°F
-8°F
+7°F
-2°F
+3°F
+12°F
-6°F
+25°F
+36°F
+21°F
+16°F
24 Hours Forecast
Oshawa
Local time: 05:08
December 05, friday
0600
12°F
N
5 mph
0900
21°F
N
12 mph
1200
27°F
NE
14 mph
1500
30°F
NE
13 mph
1800
30°F
NE
9 mph
2100
32°F
NE
11 mph
December 06, saturday
0000
32°F
NE
14 mph
0300
32°F
NE
16 mph
Units of measurement: °C / °F