London Weather in 2023

Historical record of London, Ontario weather for the year 2023 based on NOAA data.

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2023 London Weather Extremes
Highest temperature	32.3 °C	June 2
Lowest temperature	-16.9 °C	February 3
Highest daily low	20.1 °C	July 2
Lowest daily high	-10.5 °C	February 3
Most daily precipitation	8.0 cm	July 2

What was the hottest temperature in London in 2023?

The highest temperature recorded in London, Ontario in 2023 was 32.3 °C which happened on June 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in London in 2023

Rank	Temperature	Date
1	32.3 °C	Jun 2
2	31.9 °C	Jun 1
3	31.2 °C	Sep 5
4	30.8 °C	Sep 4
5	30.1 °C	Jul 4
6	30.0 °C	Jul 5
7	29.8 °C	Jul 28
8	29.5 °C	May 31
9	29.2 °C	May 30
10	29.0 °C	Jul 1

What was the coldest temperature in London in 2023?

The lowest temperature recorded in London, Ontario in 2023 was -16.9 °C which happened on Feb 3.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in London in 2023

Rank	Temperature	Date
1	-16.9 °C	February 3
2	-16.2 °C	February 4
3	-14.3 °C	January 31
4	-13.2 °C	February 1
5	-10.5 °C	February 2
6	-10.4 °C	January 15
7	-10.2 °C	February 25
8	-10.1 °C	February 24
9	-10.0 °C	January 30
10	-9.7 °C	February 17
10	-9.7 °C	January 14

January 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	4.2	1.4	0.02
January 2	4.4	0.2	0.00
January 3	4.8	0.6	0.57
January 4	5.2	2.6	0.83
January 5	5.1	1.4	0.00
January 6	2.2	0.3	0.10
January 7	1.6	-4.4	0.01
January 8	-1.4	-4.1	0.00
January 9	3.1	-3.8	0.00
January 10	2.2	-1.4	0.00
January 11	2.0	-2.5	0.00
January 12	3.3	-0.3	0.41
January 13	-0.3	-6.0	0.01
January 14	-2.2	-9.7	0.00
January 15	1.0	-10.4	0.00
January 16	2.9	-6.3	0.21
January 17	8.2	0.4	0.25
January 18	4.2	0.9	0.01
January 19	5.6	0.8	0.97
January 20	3.3	-1.4	0.27
January 21	-0.4	-1.8	0.00
January 22	-0.5	-5.3	0.48
January 23	-0.2	-7.9	0.05
January 24	2.0	-5.4	0.01
January 25	-0.4	-4.8	1.07
January 26	-0.6	-2.6	0.18
January 27	1.3	-5.4	0.23
January 28	1.7	-3.2	0.00
January 29	1.3	-6.4	0.35
January 30	-2.8	-10.0	0.04
January 31	-7.7	-14.3	0.00

February 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	-4.5	-13.2	0.00
February 2	0.2	-10.5	0.13
February 3	-10.5	-16.9	0.61
February 4	-0.5	-16.2	0.00
February 5	3.5	-0.9	0.00
February 6	-0.2	-2.8	0.00
February 7	7.9	-2.9	0.00
February 8	6.3	-1.3	0.00
February 9	9.9	-0.4	2.81
February 10	3.8	-2.9	0.06
February 11	2.1	-3.3	0.00
February 12	7.1	-3.8	0.00
February 13	8.5	-4.1	0.00
February 14	8.2	-4.3	0.02
February 15	14.5	3.9	0.00
February 16	3.9	-0.9	0.24
February 17	-0.1	-9.7	0.03
February 18	4.3	-9.4	0.07
February 19	9.0	0.2	0.00
February 20	5.7	-1.5	0.00
February 21	4.9	-2.3	0.00
February 22	-1.0	-5.1	1.80
February 23	2.3	-7.0	0.09
February 24	-0.7	-10.1	0.06
February 25	-0.6	-10.2	0.12
February 26	2.9	-7.3	0.00
February 27	0.3	-9.1	1.21
February 28	2.1	-3.4	0.33

March 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	n/a	n/a	n/a
March 2	3.1	-5.7	0.00
March 3	n/a	n/a	n/a
March 4	n/a	n/a	n/a
March 5	3.4	-4.4	0.00
March 6	2.2	-4.7	0.18
March 7	0.5	-3.7	0.05
March 8	1.9	-6.1	0.14
March 9	2.4	-7.5	0.14
March 10	-0.5	-2.7	0.73
March 11	n/a	n/a	n/a
March 12	-0.6	-9.4	0.05
March 13	1.3	-5.4	0.06
March 14	-3.3	-5.9	0.00
March 15	n/a	n/a	n/a
March 16	n/a	n/a	n/a
March 17	n/a	n/a	n/a
March 18	-0.5	-6.8	0.04
March 19	2.3	-7.3	0.08
March 20	6.2	-3.3	0.00
March 21	n/a	n/a	n/a
March 22	7.8	1.8	0.46
March 23	8.2	-1.0	0.85
March 24	n/a	n/a	n/a
March 25	n/a	n/a	n/a
March 26	10.5	-0.1	0.04
March 27	3.9	1.2	0.67
March 28	7.7	-1.1	0.00
March 29	7.4	-6.9	0.35
March 30	3.5	-8.9	0.00
March 31	n/a	n/a	n/a

April 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	n/a	n/a	n/a
April 2	n/a	n/a	n/a
April 3	n/a	n/a	n/a
April 4	n/a	n/a	n/a
April 5	n/a	n/a	n/a
April 6	n/a	n/a	n/a
April 7	n/a	n/a	n/a
April 8	n/a	n/a	n/a
April 9	n/a	n/a	n/a
April 10	n/a	n/a	n/a
April 11	n/a	n/a	n/a
April 12	n/a	n/a	n/a
April 13	n/a	n/a	n/a
April 14	n/a	n/a	n/a
April 15	n/a	n/a	n/a
April 16	n/a	n/a	n/a
April 17	n/a	n/a	n/a
April 18	n/a	n/a	n/a
April 19	n/a	n/a	n/a
April 20	n/a	n/a	n/a
April 21	n/a	n/a	n/a
April 22	11.8	4.6	2.16
April 23	7.9	1.9	0.34
April 24	7.2	1.2	0.00
April 25	9.2	0.6	0.10
April 26	9.1	0.4	0.00
April 27	13.7	-0.4	0.00
April 28	12.5	5.1	0.93
April 29	n/a	n/a	n/a
April 30	10.1	3.0	0.64

May 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	9.9	1.6	0.29
May 2	n/a	n/a	n/a
May 3	n/a	n/a	n/a
May 4	13.7	3.9	0.03
May 5	16.9	2.0	0.00
May 6	19.7	4.7	0.00
May 7	18.7	11.1	0.09
May 8	20.6	8.7	0.00
May 9	18.8	7.0	0.00
May 10	22.3	4.4	0.00
May 11	26.8	7.2	0.00
May 12	27.5	9.4	0.00
May 13	n/a	n/a	n/a
May 14	18.3	6.5	0.00
May 15	21.9	3.0	0.00
May 16	25.0	5.5	0.00
May 17	13.0	1.5	0.00
May 18	17.9	-0.2	0.00
May 19	n/a	n/a	n/a
May 20	n/a	n/a	n/a
May 21	22.6	7.5	0.00
May 22	20.4	9.0	0.00
May 23	25.0	8.9	0.00
May 24	19.1	5.9	0.00
May 25	19.2	3.6	0.00
May 26	22.7	3.5	0.00
May 27	25.2	5.0	0.00
May 28	27.9	10.3	0.00
May 29	n/a	n/a	n/a
May 30	29.2	14.6	0.00
May 31	29.5	12.9	0.00

June 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	31.9	13.5	0.00
June 2	32.3	15.7	0.00
June 3	n/a	n/a	n/a
June 4	24.1	10.0	0.00
June 5	n/a	n/a	n/a
June 6	n/a	n/a	n/a
June 7	22.1	8.1	0.00
June 8	21.1	10.8	0.00
June 9	n/a	n/a	n/a
June 10	27.0	8.7	0.00
June 11	23.2	14.2	0.79
June 12	n/a	n/a	n/a
June 13	17.1	9.3	1.69
June 14	20.4	8.6	0.05
June 15	22.3	8.9	0.12
June 16	19.7	12.9	0.00
June 17	23.8	10.6	0.00
June 18	25.5	8.5	0.00
June 19	26.8	11.9	0.00
June 20	27.2	17.5	0.00
June 21	28.6	16.0	0.00
June 22	24.2	15.0	0.00
June 23	21.1	16.4	1.05
June 24	25.3	17.4	0.20
June 25	27.5	15.9	0.13
June 26	23.4	16.7	1.35
June 27	22.8	15.4	0.00
June 28	23.8	10.1	0.00
June 29	n/a	n/a	n/a
June 30	27.6	17.2	0.00

July 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	29.0	18.8	0.04
July 2	22.0	20.1	8.01
July 3	26.0	18.2	1.29
July 4	30.1	16.5	0.00
July 5	30.0	17.6	0.00
July 6	n/a	n/a	n/a
July 7	23.6	13.3	0.00
July 8	n/a	n/a	n/a
July 9	24.3	14.5	0.00
July 10	27.9	12.4	0.00
July 11	27.8	15.0	0.88
July 12	n/a	n/a	n/a
July 13	23.3	15.3	0.67
July 14	25.3	14.2	0.26
July 15	23.5	16.7	0.24
July 16	26.3	17.5	0.01
July 17	26.2	15.1	0.00
July 18	25.2	14.2	0.00
July 19	26.2	12.9	0.00
July 20	27.3	15.8	1.81
July 21	24.7	15.0	0.00
July 22	26.4	13.0	0.00
July 23	n/a	n/a	n/a
July 24	26.6	18.1	0.50
July 25	28.8	16.2	0.00
July 26	28.1	18.5	1.41
July 27	27.5	18.0	0.03
July 28	29.8	16.7	0.00
July 29	n/a	n/a	n/a
July 30	23.6	13.6	0.00
July 31	n/a	n/a	n/a

August 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	24.0	11.4	0.00
August 2	24.5	13.1	0.00
August 3	27.8	19.3	0.01
August 4	26.4	16.5	0.00
August 5	24.3	14.4	0.00
August 6	23.9	13.6	1.34
August 7	22.4	16.2	0.02
August 8	25.0	14.8	0.00
August 9	28.2	15.3	0.00
August 10	26.4	16.2	0.54
August 11	24.6	12.6	0.00
August 12	25.7	16.0	1.85
August 13	24.5	15.5	0.00
August 14	24.3	13.7	0.19
August 15	n/a	n/a	n/a
August 16	25.9	14.9	0.00
August 17	n/a	n/a	n/a
August 18	18.7	11.0	0.00
August 19	24.2	9.1	0.00
August 20	28.4	12.8	0.00
August 21	25.3	15.2	0.00
August 22	23.4	12.5	0.00
August 23	18.1	15.4	1.91
August 24	26.5	17.4	0.59
August 25	23.6	15.7	0.01
August 26	24.3	13.2	0.00
August 27	n/a	n/a	n/a
August 28	23.8	9.7	0.00
August 29	n/a	n/a	n/a
August 30	17.3	9.9	0.00
August 31	22.2	7.3	0.00

September 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	23.2	9.4	0.00
September 2	n/a	n/a	n/a
September 3	28.4	17.1	0.00
September 4	30.8	19.8	0.00
September 5	31.2	18.4	0.00
September 6	28.5	19.9	1.39
September 7	25.9	16.1	0.01
September 8	18.7	14.2	0.00
September 9	21.2	14.0	0.01
September 10	20.5	16.1	0.00
September 11	22.6	15.6	0.00
September 12	20.4	13.5	1.60
September 13	19.5	8.4	0.00
September 14	19.6	7.2	0.00
September 15	21.1	5.6	0.00
September 16	21.3	6.8	0.00
September 17	22.2	12.4	0.03
September 18	20.1	8.6	0.05
September 19	19.8	6.7	0.00
September 20	22.6	6.3	0.10
September 21	24.8	13.6	0.01
September 22	24.0	12.5	0.00
September 23	21.5	10.5	0.00
September 24	22.0	11.3	0.00
September 25	22.7	15.2	0.50
September 26	18.9	14.0	1.01
September 27	19.7	13.8	0.00
September 28	17.6	12.1	0.21
September 29	21.9	11.5	0.00
September 30	24.3	9.4	0.00

October 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	25.0	11.3	0.00
October 2	27.4	14.0	0.00
October 3	27.4	12.8	0.00
October 4	27.0	13.9	0.00
October 5	23.0	16.3	0.68
October 6	20.6	10.3	0.20
October 7	13.1	7.1	2.31
October 8	n/a	n/a	n/a
October 9	11.7	3.6	0.00
October 10	11.5	6.3	0.20
October 11	12.3	6.0	0.03
October 12	16.5	5.2	0.00
October 13	13.0	5.0	0.21
October 14	11.5	6.8	0.10
October 15	11.0	6.1	0.03
October 16	11.3	6.4	0.00
October 17	12.6	5.0	0.00
October 18	14.7	5.5	0.00
October 19	n/a	n/a	n/a
October 20	14.9	9.4	0.19
October 21	9.4	5.5	0.34
October 22	9.9	0.0	0.00
October 23	14.0	-0.7	0.00
October 24	22.5	6.9	0.00
October 25	n/a	n/a	n/a
October 26	20.1	14.5	1.16
October 27	n/a	n/a	n/a
October 28	n/a	n/a	n/a
October 29	8.2	4.4	0.39
October 30	n/a	n/a	n/a
October 31	5.8	-3.3	0.03

November 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	n/a	n/a	n/a
November 2	8.0	-0.5	0.00
November 3	12.8	5.2	0.00
November 4	11.5	4.6	0.30
November 5	11.0	1.1	0.00
November 6	14.5	4.1	0.21
November 7	12.9	-0.6	0.00
November 8	2.2	-1.8	1.77
November 9	11.0	2.2	0.00
November 10	10.9	2.4	0.00
November 11	n/a	n/a	n/a
November 12	8.3	-3.4	0.00
November 13	13.3	1.1	0.00
November 14	n/a	n/a	n/a
November 15	14.2	-1.4	0.00
November 16	15.1	-1.0	0.00
November 17	13.5	-1.5	0.03
November 18	7.7	-3.7	0.00
November 19	7.5	-3.2	0.00
November 20	2.3	-4.8	0.00
November 21	8.4	-1.2	1.12
November 22	8.2	2.6	0.07
November 23	5.4	-0.2	0.00
November 24	0.2	-1.7	0.00
November 25	3.3	-4.4	0.00
November 26	5.9	-2.9	0.87
November 27	0.7	-5.1	0.00
November 28	-2.3	-6.2	0.00
November 29	-1.0	-6.8	0.00
November 30	8.6	-2.9	0.00

December 2023 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	7.6	1.4	1.36
December 2	3.6	1.5	0.24
December 3	3.3	1.2	0.76
December 4	3.1	0.1	0.12
December 5	1.6	-1.9	0.00
December 6	1.9	-3.3	0.02
December 7	5.1	0.1	0.00
December 8	11.6	0.7	0.00
December 9	11.9	7.5	0.47
December 10	7.8	0.5	0.10
December 11	0.5	-0.9	0.07
December 12	4.7	-2.6	0.00
December 13	2.0	-5.5	0.00
December 14	6.5	-6.4	0.00
December 15	11.1	0.6	0.00
December 16	8.1	1.1	0.00
December 17	7.7	4.8	0.73
December 18	5.2	-2.3	0.61
December 19	-1.3	-4.7	0.00
December 20	3.0	-1.8	0.00
December 21	0.9	-3.3	0.00
December 22	1.0	-3.9	0.00
December 23	3.7	0.5	0.99
December 24	5.5	2.8	0.00
December 25	7.9	3.8	0.00
December 26	9.5	4.9	0.21
December 27	8.6	6.8	2.43
December 28	7.8	5.2	0.40
December 29	5.3	1.4	0.11
December 30	3.0	-1.1	0.00
December 31	1.6	0.3	0.35

Next Year >

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