World Resorts Canada Winnipeg Weather

Winnipeg weather in May

Weather in Winnipeg: May

Average day temperature: 61.0°F
Average night temperature: 47.7°F
Sea water temperature: 42.0°F
Number of sunny days: 14 days
Day length: 14.7 - 16.0 hours
Number of rainy days: 3 days
Precipitation totals: 2.0 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 95°F. At the same time the lowest night temperature was 35°F. Daily and nightly averages during May were 70.1°F and 50.3°F.

Sea water temperature in Winnipeg in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 44.8°F. The highest and lowest sea temperatures during the month were 60.3°F and 35.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Winnipeg in May is 1.7 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 10.4 mph It makes May 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 May is: 8.7.

Best time for vacation in Winnipeg

Sunniest months:
August 18 days
July 17 days
May 14 days
Warmest months:
July 77.1 °F
August 76.1 °F
June 71.2 °F
Warmest sea temp:
July 68.4 °F
August 67.7 °F
September 60.8 °F
Coldest months:
January 8.7 °F
February 9.7 °F
December 14.2 °F
Rainiest months:
June 4 days
July 3 days
May 3 days
Windiest months:
May 10.7 mph
April 10.6 mph
October 10.3 mph

Winnipeg on a weather map

Winnipeg
+12°F
E 5 mph
Feels like: +9°F
Precip.: 0%
Places in Canada:
Name
°F
+43°F
+45°F
+12°F
+10°F
-6°F
+9°F
-4°F
+3°F
+14°F
0°F
+25°F
+37°F
+19°F
+14°F
24 Hours Forecast
Winnipeg
Local time: 03:21
December 05, friday
0600
12°F
E
4 mph
0900
10°F
E
6 mph
1200
16°F
SE
12 mph
1500
16°F
SE
16 mph
1800
14°F
SE
15 mph
2100
9°F
SE
12 mph
December 06, saturday
0000
5°F
SE
10 mph
0300
1°F
SE
4 mph
Units of measurement: °C / °F