Winnipeg Weather in August
Winnipeg in August averages 26°C (79°F) during the day and 13°C (55°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Winnipeg in August
You can typically expect 10 days of rain this month, averaging around 82 mm (3.2 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Winnipeg in August
August is one of the better months to visit Winnipeg. Expect 26°C (79°F) during the day and 13°C (55°F) at night. This month falls in the summer season. This kind of day-to-night contrast is typical for this time of year. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Winnipeg in August
Enjoy a sunny month with about 280 hours of sunshine, the clear skies make Winnipeg even more beautiful.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Winnipeg.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Winnipeg's climate page.
Winnipeg Temperature in August
Min Temperature
13°C (55°F)
Max Temperature
26°C (79°F)
Chance of Rain
32%
Precipitation
82 mm (3.2 in)
Rainy days
10 days
Humidity
53%
Sunshine
280 hours
Percentage Sunshine
63%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Winnipeg typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
Average temperatures in August
Historical weather for Winnipeg in August
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 August
According to our 49 years of weather records for Winnipeg, the following extremes were recorded between 1976 and 2025.
- On August 6, 1988, temperatures climbed to 38°C (100°F), marking the warmest August day on record.
- The lowest overnight temperature recorded in August was 1°C (34°F) (August 27, 1982).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
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What to Wear in Winnipeg in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. 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 August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Winnipeg's climate page.
Temperature Rainfall Sunshine Humidity
See the full Winnipeg climate overview or explore weather in Canada.
