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. | |
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forecast
| Winnipeg |
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| Winnipeg |
Air temperature in May, °F
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
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.
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.
The average wind speed value in May is 10.4 mph It makes May one of the most windy months of the year.
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.
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Winnipeg on a weather map

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