London Weather in 2020

Historical record of London, Ontario weather for the year 2020 based on NOAA data.

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2020 London Weather Extremes
Highest temperature	34.0 °C	July 7
Lowest temperature	-17.4 °C	January 20
Highest daily low	20.7 °C	July 19
Lowest daily high	-9.2 °C	February 14
Most daily precipitation	6.0 cm	August 2
Total annual precipitation	94.9 cm	-

What was the hottest temperature in London in 2020?

The highest temperature recorded in London, Ontario in 2020 was 34.0 °C which happened on July 7.

Highest Temperatures: All-Time By Year

Highest Temperatures in London in 2020

Rank	Temperature	Date
1	34.0 °C	Jul 7
2	33.2 °C	Jul 8
3	33.0 °C	Jul 9
4	32.8 °C	Jul 6
5	32.7 °C	Jul 3
6	32.5 °C	Jul 10
7	32.2 °C	Jul 5
8	32.0 °C	Jul 26
9	31.5 °C	Jul 2
10	31.1 °C	Jul 4

What was the coldest temperature in London in 2020?

The lowest temperature recorded in London, Ontario in 2020 was -17.4 °C which happened on Jan 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in London in 2020

Rank	Temperature	Date
1	-17.4 °C	January 20
2	-14.9 °C	February 14
3	-13.2 °C	February 13
4	-12.4 °C	January 19
5	-11.8 °C	March 1
6	-11.5 °C	February 15
7	-11.2 °C	February 29
8	-10.9 °C	January 9
9	-10.8 °C	February 21
10	-10.5 °C	February 8

January 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	2.9	-3.1	0.02
January 2	5.8	1.8	0.00
January 3	6.5	2.5	0.00
January 4	2.6	-1.8	0.14
January 5	1.2	-1.8	0.70
January 6	2.9	-2.1	0.00
January 7	3.7	-5.2	0.02
January 8	-1.1	-7.4	0.20
January 9	5.3	-10.9	0.02
January 10	7.1	4.4	0.73
January 11	11.7	2.6	5.66
January 12	2.6	-4.7	1.22
January 13	2.1	-2.6	0.06
January 14	3.9	-1.4	0.00
January 15	n/a	n/a	n/a
January 16	1.8	-8.9	0.43
January 17	-7.1	-10.0	0.02
January 18	3.1	-8.0	1.63
January 19	-0.6	-12.4	0.17
January 20	-5.4	-17.4	0.00
January 21	-4.8	-8.3	0.00
January 22	-1.6	-8.1	0.00
January 23	2.4	-8.2	0.00
January 24	3.9	0.1	1.06
January 25	3.6	0.2	0.38
January 26	1.5	-0.1	0.34
January 27	0.5	-0.5	0.05
January 28	0.4	-2.6	0.04
January 29	-0.8	-5.1	0.00
January 30	-0.6	-7.2	0.00
January 31	-0.7	-3.9	0.07

February 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	0.2	-5.3	0.28
February 2	3.2	-2.1	0.36
February 3	4.7	-1.0	0.00
February 4	1.4	-4.1	0.00
February 5	-2.9	-7.4	0.06
February 6	-3.5	-5.8	0.34
February 7	-2.8	-8.2	0.18
February 8	-5.0	-10.5	0.06
February 9	0.6	-10.0	0.54
February 10	2.4	-1.4	0.06
February 11	1.5	-3.0	0.00
February 12	0.1	-6.3	0.07
February 13	-0.2	-13.2	0.18
February 14	-9.2	-14.9	0.02
February 15	0.0	-11.5	0.05
February 16	2.8	-4.3	0.00
February 17	0.1	-9.8	0.20
February 18	4.1	-2.7	0.25
February 19	-1.6	-8.9	0.00
February 20	-5.6	-10.1	0.00
February 21	-0.1	-10.8	0.00
February 22	4.7	-5.1	0.00
February 23	7.0	-1.6	0.00
February 24	6.5	-1.5	0.00
February 25	3.8	0.5	0.02
February 26	1.5	-5.4	0.75
February 27	-4.8	-7.6	0.20
February 28	-5.0	-8.4	0.20
February 29	-3.7	-11.2	0.24

March 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	5.1	-11.8	0.00
March 2	6.4	1.7	0.51
March 3	5.0	-1.2	0.68
March 4	5.8	-2.8	0.00
March 5	5.1	-6.0	0.00
March 6	2.2	-2.5	0.02
March 7	4.3	-6.9	0.00
March 8	10.7	-0.2	0.00
March 9	16.3	3.5	0.06
March 10	10.3	-3.7	1.29
March 11	4.8	-4.1	0.00
March 12	7.7	-1.1	0.06
March 13	9.3	-0.1	0.20
March 14	0.7	-2.1	0.02
March 15	4.8	-3.0	0.00
March 16	8.9	-4.3	0.14
March 17	8.5	-1.6	0.00
March 18	6.3	-2.0	0.32
March 19	12.1	1.6	0.36
March 20	17.9	-3.3	0.37
March 21	1.5	-6.8	0.00
March 22	3.2	-6.8	0.00
March 23	4.0	-1.6	0.52
March 24	6.7	0.2	0.00
March 25	12.8	0.0	0.00
March 26	13.2	1.7	0.00
March 27	11.5	0.9	0.00
March 28	9.5	3.9	1.28
March 29	19.3	5.3	2.05
March 30	8.1	2.8	0.12
March 31	8.6	2.5	0.00

April 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	11.5	-0.2	0.00
April 2	12.9	-1.4	0.02
April 3	12.4	-2.2	0.00
April 4	15.6	0.1	0.00
April 5	10.1	-1.9	0.00
April 6	15.5	-3.1	0.00
April 7	14.2	3.7	1.45
April 8	15.0	6.4	0.61
April 9	8.6	-0.3	0.73
April 10	5.3	-1.2	0.20
April 11	9.5	-1.3	0.00
April 12	15.8	3.7	0.15
April 13	12.6	0.7	0.22
April 14	6.6	-2.3	0.00
April 15	2.7	-5.0	0.02
April 16	4.3	-6.0	0.02
April 17	3.7	-1.8	0.19
April 18	9.9	-1.5	0.00
April 19	13.5	-2.7	0.11
April 20	9.6	-5.4	0.02
April 21	8.6	-1.9	0.26
April 22	5.2	-3.7	0.02
April 23	4.3	-0.1	0.43
April 24	11.4	2.5	0.00
April 25	14.8	-0.1	0.00
April 26	11.0	2.1	0.18
April 27	15.5	-0.1	0.02
April 28	16.9	7.5	0.00
April 29	15.6	8.0	0.95
April 30	14.4	5.2	0.78

May 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	15.1	4.0	0.10
May 2	18.5	3.4	0.00
May 3	20.0	6.0	0.00
May 4	9.2	1.1	0.00
May 5	11.8	-2.8	0.00
May 6	14.5	1.3	0.00
May 7	14.9	-0.5	0.00
May 8	5.7	-1.1	0.00
May 9	6.8	-2.0	0.00
May 10	13.3	0.9	0.21
May 11	6.4	-0.6	0.50
May 12	11.1	-1.9	0.00
May 13	13.6	-3.4	0.00
May 14	14.4	4.7	0.36
May 15	20.9	8.3	1.01
May 16	19.9	6.6	0.00
May 17	14.7	9.7	2.14
May 18	13.7	10.5	2.42
May 19	18.7	11.0	0.02
May 20	20.7	7.8	0.00
May 21	23.2	7.6	0.00
May 22	24.1	10.0	0.24
May 23	24.4	14.5	0.00
May 24	27.0	14.3	0.00
May 25	29.6	17.7	0.00
May 26	30.2	17.6	0.00
May 27	27.8	18.7	0.00
May 28	22.5	18.6	0.17
May 29	25.2	10.1	0.79
May 30	16.3	7.4	0.00
May 31	15.4	3.8	0.00

June 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	22.9	6.5	0.00
June 2	28.4	11.7	0.24
June 3	26.3	14.3	0.07
June 4	27.8	13.7	0.00
June 5	28.1	15.1	0.00
June 6	24.6	12.9	0.00
June 7	22.3	9.4	0.00
June 8	25.5	8.6	0.00
June 9	30.7	12.7	0.00
June 10	29.7	17.5	3.30
June 11	23.6	15.0	0.00
June 12	16.8	7.4	0.00
June 13	18.8	6.4	0.00
June 14	18.8	7.4	0.00
June 15	22.8	10.5	0.02
June 16	25.3	8.9	0.00
June 17	28.4	10.6	0.00
June 18	30.1	13.9	0.02
June 19	28.9	16.1	1.08
June 20	30.1	16.8	0.00
June 21	29.6	16.4	0.00
June 22	25.8	18.5	0.00
June 23	25.6	16.4	0.40
June 24	22.1	13.2	0.00
June 25	25.6	10.2	0.00
June 26	28.0	15.1	0.00
June 27	28.2	19.0	0.72
June 28	27.7	15.4	0.00
June 29	n/a	n/a	n/a
June 30	29.1	16.1	0.00

July 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	30.0	16.4	0.00
July 2	31.5	16.7	0.00
July 3	32.7	18.1	0.00
July 4	31.1	17.3	0.00
July 5	32.2	13.8	0.00
July 6	32.8	16.1	0.00
July 7	34.0	17.6	0.00
July 8	33.2	19.8	0.05
July 9	33.0	19.6	0.00
July 10	32.5	20.5	1.11
July 11	27.2	17.8	0.59
July 12	24.3	15.3	0.00
July 13	24.2	14.6	0.00
July 14	27.7	12.7	0.00
July 15	28.9	16.5	0.00
July 16	25.8	19.6	0.35
July 17	29.7	18.5	0.00
July 18	30.9	16.6	0.00
July 19	29.2	20.7	0.80
July 20	28.7	17.6	0.00
July 21	26.3	15.9	0.00
July 22	27.7	18.5	0.34
July 23	27.8	17.0	0.00
July 24	28.8	15.7	0.00
July 25	28.8	16.1	0.00
July 26	32.0	18.8	0.00
July 27	30.9	20.0	0.22
July 28	28.1	18.7	0.00
July 29	29.1	18.8	0.05
July 30	27.4	15.5	0.00
July 31	29.2	16.0	0.00

August 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	30.1	15.4	1.81
August 2	25.9	16.6	5.96
August 3	25.0	15.9	0.38
August 4	26.2	15.4	0.02
August 5	22.4	13.0	0.00
August 6	25.0	12.4	0.00
August 7	26.5	13.1	0.00
August 8	27.6	12.9	0.02
August 9	28.3	18.6	1.87
August 10	30.0	20.4	0.00
August 11	26.0	13.7	0.00
August 12	28.6	12.3	0.00
August 13	29.7	14.9	0.00
August 14	n/a	n/a	n/a
August 15	27.4	16.5	0.00
August 16	24.3	15.7	0.77
August 17	25.8	13.0	0.00
August 18	23.7	10.8	0.00
August 19	22.8	9.9	0.00
August 20	24.7	9.4	0.00
August 21	29.1	14.2	0.00
August 22	30.2	15.2	0.00
August 23	29.9	15.7	0.00
August 24	29.9	17.0	0.15
August 25	27.3	15.1	0.00
August 26	22.4	12.8	0.11
August 27	29.9	16.4	1.44
August 28	23.8	15.9	0.92
August 29	22.1	15.6	0.31
August 30	22.7	12.6	0.00
August 31	25.0	12.0	0.00

September 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	26.8	15.6	1.68
September 2	25.8	14.0	3.35
September 3	26.1	12.2	0.00
September 4	21.7	12.9	0.00
September 5	17.4	8.8	0.14
September 6	21.5	7.7	0.05
September 7	22.3	15.1	2.17
September 8	18.3	12.5	0.22
September 9	21.1	13.2	0.02
September 10	20.7	11.9	0.00
September 11	18.7	9.3	0.00
September 12	24.3	9.8	0.00
September 13	23.6	14.0	0.54
September 14	17.8	7.1	0.00
September 15	18.1	4.3	0.03
September 16	22.7	12.1	0.00
September 17	19.8	8.1	0.00
September 18	15.1	1.6	0.00
September 19	16.2	-0.1	0.03
September 20	17.2	4.9	0.03
September 21	19.0	5.1	0.02
September 22	22.2	4.5	0.00
September 23	25.9	9.5	0.00
September 24	25.2	11.7	0.02
September 25	26.0	9.4	0.00
September 26	24.5	11.8	0.00
September 27	23.3	17.8	0.00
September 28	23.2	11.9	2.18
September 29	17.5	10.4	0.02
September 30	15.3	7.6	0.48

October 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	16.5	6.9	0.27
October 2	11.5	3.7	0.34
October 3	13.3	3.3	0.00
October 4	11.0	5.2	0.68
October 5	14.3	5.3	0.00
October 6	17.2	8.2	0.00
October 7	18.3	7.1	0.70
October 8	17.5	4.9	0.05
October 9	19.2	2.7	0.00
October 10	22.3	6.9	0.00
October 11	14.1	5.3	0.00
October 12	20.3	8.9	0.82
October 13	17.7	7.6	0.07
October 14	17.3	4.7	0.00
October 15	17.1	6.2	1.05
October 16	11.0	0.6	0.00
October 17	12.6	-0.6	0.00
October 18	13.2	6.2	0.22
October 19	8.0	5.4	0.42
October 20	11.7	5.4	0.07
October 21	16.4	5.0	0.74
October 22	12.9	7.4	0.56
October 23	23.0	6.8	0.91
October 24	7.4	0.2	0.04
October 25	7.2	0.1	0.00
October 26	7.8	3.7	0.05
October 27	7.1	1.8	0.46
October 28	11.1	2.0	0.00
October 29	11.3	2.6	0.05
October 30	4.2	0.1	0.07
October 31	9.0	-2.4	0.02

November 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	10.8	-0.7	0.61
November 2	5.1	-0.7	0.10
November 3	11.9	2.1	0.00
November 4	17.1	5.4	0.00
November 5	n/a	n/a	n/a
November 6	20.3	7.4	0.00
November 7	19.7	6.2	0.00
November 8	21.5	3.3	0.03
November 9	21.5	6.5	0.05
November 10	21.7	12.5	0.00
November 11	17.3	2.5	0.29
November 12	9.5	-0.8	0.08
November 13	8.9	1.6	0.02
November 14	5.7	-2.0	0.03
November 15	12.0	3.8	1.47
November 16	4.2	0.2	0.02
November 17	0.6	-3.3	0.36
November 18	4.1	-3.9	0.05
November 19	14.5	3.7	0.00
November 20	16.4	5.3	0.02
November 21	5.8	-2.6	0.00
November 22	0.3	-1.8	1.03
November 23	3.4	-1.4	0.16
November 24	1.6	-3.4	0.21
November 25	9.1	0.7	0.74
November 26	10.0	6.2	0.23
November 27	6.5	3.9	0.02
November 28	5.9	-0.3	0.00
November 29	10.5	0.4	0.00
November 30	4.7	-1.1	0.56

December 2020 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	0.0	-1.8	1.46
December 2	2.6	-1.7	0.02
December 3	3.8	-1.5	0.00
December 4	2.7	0.9	0.18
December 5	1.1	-3.7	0.00
December 6	-0.9	-3.4	0.03
December 7	1.2	-6.7	0.00
December 8	2.3	-7.1	0.02
December 9	3.0	0.2	0.00
December 10	7.0	-0.9	0.00
December 11	8.7	1.4	0.04
December 12	10.5	1.7	1.35
December 13	1.7	-1.1	0.06
December 14	0.6	-3.1	0.00
December 15	-1.6	-5.6	0.02
December 16	-3.1	-6.2	0.10
December 17	-3.7	-5.6	0.02
December 18	-1.2	-9.9	0.03
December 19	2.3	-4.2	0.20
December 20	3.7	-1.5	0.04
December 21	3.2	-1.5	0.00
December 22	2.0	-2.1	0.08
December 23	7.9	-1.3	0.19
December 24	8.3	-4.4	0.71
December 25	-3.3	-6.8	1.09
December 26	-3.5	-7.7	0.14
December 27	3.8	-4.6	0.47
December 28	4.6	-3.8	0.40
December 29	-2.5	-7.3	0.08
December 30	4.7	-3.6	1.02
December 31	0.5	-5.9	0.02

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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