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London July Weather

Averages and records for weather in London, Ontario in the month of July.

Typical London July Weather 1991–2020
Average daily high	26.6 °C
Average daily low	15.3 °C
Average monthly precipitation	8.0 cm
Daily chance of precipitation	39.3%

London July Weather Records 1883–2024
Highest temperature	38.9 °C	July 9, 1936
Lowest temperature	2.2 °C	July 3, 1907
Highest daily low	25.0 °C	July 4, 1999
Lowest daily high	15.0 °C	July 14, 1967
Hottest average high temperature	31.9 °C	1916
Coldest average high temperature	22.9 °C	1992
Most daily precipitation	12.3 cm	July 13, 1932
Most monthly precipitation	25.9 cm	1932

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

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
July 1	26.1	14.7	37.2	3.3
July 2	26.2	14.8	36.7	5.6
July 3	26.3	14.9	38.9	2.2
July 4	26.4	15.0	38.9	5.6
July 5	26.4	15.0	37.8	5.6
July 6	26.5	15.1	36.7	4.4
July 7	26.5	15.2	36.4	6.7
July 8	26.5	15.3	38.9	5.0
July 9	26.6	15.3	38.9	4.4
July 10	26.6	15.3	38.3	4.4
July 11	26.5	15.3	38.3	2.8
July 12	26.5	15.3	37.8	4.4
July 13	26.6	15.3	38.3	7.2
July 14	26.6	15.3	36.1	5.0
July 15	26.6	15.3	34.4	4.4
July 16	26.6	15.4	35.7	6.7
July 17	26.7	15.4	36.1	4.4
July 18	26.7	15.5	36.1	7.8
July 19	26.7	15.5	35.0	7.2
July 20	26.7	15.5	35.6	5.6
July 21	26.7	15.5	36.7	5.6
July 22	26.6	15.4	33.9	7.8
July 23	26.6	15.4	35.0	7.8
July 24	26.6	15.3	36.7	6.7
July 25	26.6	15.4	35.0	6.7
July 26	26.6	15.4	35.0	4.4
July 27	26.6	15.4	36.7	4.4
July 28	26.5	15.4	36.7	5.6
July 29	26.5	15.4	36.1	6.7
July 30	26.5	15.3	37.8	7.2
July 31	26.4	15.3	36.7	3.9

Weather Station Details

Years	Station	Coordinates
2002–2024	London CS	location
1941–2002	London International Airport	location
1932–1940	London Lambeth A	location
1883–1931	London South	location