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Winnipeg Weather in May
In Winnipeg, May brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 6°C (43°F). Expect quite a bit of rainfall this month.
Rainfall in Winnipeg in May
Records from the past 30 years suggest around 10 days of rain, with 84 mm (3.3 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Winnipeg in May
Daytime highs in Winnipeg in May reach 19°C (66°F), with nights around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Winnipeg in May
The city usually sees around 286 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you prefer dry days with pleasant temperatures, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Winnipeg Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
19°C (66°F)
Chance of Rain
32%
Precipitation
84 mm (3.3 in)
Rainy days
10 days
Humidity
47%
Sunshine
286 hours
Percentage Sunshine
60%
Winnipeg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Winnipeg - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Winnipeg typically rise from around 15°C (59°F) at the start of May to approximately 22°C (72°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 11°C (52°F).
Average temperatures in May
Historical weather records for Winnipeg in May
Browse day-by-day weather records for Winnipeg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Winnipeg historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Winnipeg.
- Winnipeg recorded its highest May temperature of 35°C (95°F) on May 22, 1980.
- The lowest overnight temperature recorded in May was -9°C (16°F) (May 7, 2002).
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Winnipeg in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Winnipeg in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Winnipeg 3-Day Forecast
More climate data for Winnipeg
Temperature Rainfall Sunshine Humidity
See the full Winnipeg climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
21°C (70°F) Montréal20°C (68°F) Ottawa20°C (68°F) Quebec City19°C (66°F) Calgary17°C (63°F) Vancouver16°C (61°F) Toronto16°C (61°F) Whistler11°C (52°F) Bucket list
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