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Winnipeg August Weather

Averages and records for weather in Winnipeg, Manitoba in the month of August.

Typical Winnipeg August Weather 1991–2020
Average daily high	25.5 °C
Average daily low	11.9 °C
Average monthly precipitation	7.1 cm
Daily chance of precipitation	35.3%

Winnipeg August Weather Records 1872–2024
Highest temperature	40.6 °C	August 7, 1949
Lowest temperature	-1.1 °C	August 28, 1910
Highest daily low	24.4 °C	August 22, 1947
Lowest daily high	11.7 °C	August 31, 1958
Hottest average high temperature	29.7 °C	1983
Coldest average high temperature	20.4 °C	2004
Most daily precipitation	8.5 cm	August 16, 1884
Most monthly precipitation	21.8 cm	1985

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
August 1	26.1	12.8	38.7	5.0
August 2	26.0	12.8	35.3	3.3
August 3	26.0	12.7	35.0	3.3
August 4	25.9	12.6	36.7	1.1
August 5	25.9	12.5	36.7	3.3
August 6	25.9	12.5	38.7	2.8
August 7	25.9	12.4	40.6	3.9
August 8	25.9	12.3	39.4	2.8
August 9	25.8	12.3	36.7	2.8
August 10	25.8	12.2	35.2	4.1
August 11	25.8	12.2	37.1	4.4
August 12	25.8	12.1	37.5	3.3
August 13	25.7	12.1	35.6	1.7
August 14	25.6	12.1	36.7	2.8
August 15	25.5	12.0	34.8	3.9
August 16	25.4	11.9	36.1	3.9
August 17	25.4	11.8	35.6	1.7
August 18	25.3	11.8	36.2	3.0
August 19	25.2	11.7	35.9	1.0
August 20	25.1	11.6	36.1	0.0
August 21	25.0	11.5	37.8	0.0
August 22	24.8	11.4	36.7	0.6
August 23	24.7	11.2	36.8	1.1
August 24	24.5	11.0	39.4	-0.6
August 25	24.4	10.9	34.4	0.6
August 26	24.2	10.8	36.5	0.0
August 27	24.0	10.7	36.0	-1.1
August 28	23.9	10.6	37.1	-1.1
August 29	23.7	10.5	36.1	0.0
August 30	23.5	10.3	36.1	1.4
August 31	23.3	10.1	34.4	-1.1

Weather Station Details

Years	Station	Coordinates
2008–2024	Winnipeg CS	location
1938–2007	Winnipeg James Armstrong Richardson International	location
1872–1938	Winnipeg St. John's	location