Measurements:
°C
°F
Winnipeg
-18°F
SE 9 mph
Feels like: -36°F
Precip: 0%
World Resorts Canada Winnipeg Weather

Winnipeg Sea Water Temperature

Current Sea Water Temperature:
+34.8°F
Maximum Sea Water Temperature in December: 38.6°F
Minimum Sea Water Temperature in December: 29.6°F
Average water temperature in December: 33.2°F

Sea Water Temperature for the Last 10 Days:

December 13 34.8°F December 08 35.6°F
December 12 35.0°F December 07 35.8°F
December 11 35.2°F December 06 35.6°F
December 10 35.4°F December 05 35.6°F
December 09 35.4°F December 04 35.4°F

When is the Warmest Sea for Winnipeg?

According to our data for the last three years for Winnipeg the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Winnipeg was 73.0°F. The maximum and minimum values were 71.0°F and 75.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Winnipeg was 71.1°F. The maximum and minimum values were 67.2°F and 74.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Winnipeg was 65.7°F. The maximum and minimum values were 62.2°F and 71.4°F respectively.

Best Time to Visit Winnipeg
The most sunny months:
August 18 days
July 17 days
May 14 days
The most warm months:
July 80.1 °F
August 79.0 °F
June 73.5 °F
Warmest sea temperature:
July 70.4 °F
August 69.6 °F
September 62.0 °F
The most cold months:
January 4.1 °F
February 5.2 °F
December 10.3 °F
The most rainy months:
June 4 days
July 3 days
May 3 days
The most windy months:
May 11 mph
April 11 mph
October 10 mph

Winnipeg on the Weather Map

Canada Resorts:
NAME
Halifax +22
Kingston +22
Moncton +12
Montreal +12
Niagara Falls +18
Ottawa 0
Prince Edward Island +20
Quebec +10
St. John's +28
Sydney +24
Toronto +22
Vancouver +46
Victoria +48
Winnipeg -18
Yellowknife -12
24 Hours Weather Forecast
Winnipeg
Local time: 03:26
13 dec, saturday
0600 -20°F
SE
9 mph
0900 -22°F
SE
10 mph
1200 -16°F
SE
11 mph
1500 -12°F
SE
11 mph
1800 -10°F
SE
8 mph
2100 -10°F
SE
6 mph
14 dec, sunday
0000 -14°F
E
4 mph
0300 -16°F
NE
5 mph