London Weather in 2003

Historical record of London, Ontario weather for the year 2003 based on NOAA data.

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2003 London Weather Extremes
Highest temperature	32.3 °C	June 25
Lowest temperature	-25.6 °C	March 3
Highest daily low	20.4 °C	July 5
Lowest daily high	-13.8 °C	March 3
Most daily precipitation	4.1 cm	July 21
Most daily snow	16.8 cm	February 12
Total annual precipitation	91.7 cm	-

What was the hottest temperature in London in 2003?

The highest temperature recorded in London, Ontario in 2003 was 32.3 °C which happened on June 25.

Highest Temperatures: All-Time By Year

Highest Temperatures in London in 2003

Rank	Temperature	Date
1	32.3 °C	Jun 25
2	31.5 °C	Jun 24
3	31.2 °C	Jul 4
4	30.2 °C	Jun 23
5	30.1 °C	Aug 21
5	30.1 °C	Aug 14
7	29.8 °C	Jun 26
8	29.7 °C	Jul 3
9	29.6 °C	Aug 13
10	29.5 °C	Aug 25
10	29.5 °C	Aug 15
10	29.5 °C	Jul 2

What was the coldest temperature in London in 2003?

The lowest temperature recorded in London, Ontario in 2003 was -25.6 °C which happened on Mar 3.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in London in 2003

Rank	Temperature	Date
1	-25.6 °C	March 3
2	-25.4 °C	January 30
3	-25.0 °C	January 27
4	-24.8 °C	February 26
5	-21.9 °C	January 29
6	-20.7 °C	February 25
7	-19.8 °C	February 27
8	-19.5 °C	March 2
9	-18.4 °C	January 24
10	-18.3 °C	February 11

January 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-0.7	-6.3	0.00	0.0
January 2	-4.5	-9.5	0.99	9.9
January 3	-1.8	-5.5	0.13	1.3
January 4	-2.4	-6.1	0.31	3.1
January 5	-2.3	-4.6	0.04	0.4
January 6	-1.9	-11.1	0.60	6.0
January 7	0.6	-10.7	0.29	2.9
January 8	4.6	-1.0	0.00	0.0
January 9	5.0	-5.0	0.47	4.7
January 10	-4.7	-10.1	0.48	4.8
January 11	-6.8	-10.1	0.71	7.1
January 12	-4.2	-8.6	0.61	6.1
January 13	-4.6	-8.6	0.88	8.8
January 14	-6.3	-9.2	0.23	2.3
January 15	-8.1	-12.6	0.28	2.8
January 16	-6.1	-13.8	0.08	0.8
January 17	-6.9	-16.1	0.28	2.8
January 18	-7.6	-15.5	0.31	3.1
January 19	-7.5	-12.5	0.92	9.2
January 20	-9.1	-12.6	0.24	2.4
January 21	-10.0	-14.6	0.06	0.6
January 22	-11.8	-15.6	0.31	3.1
January 23	-10.3	-16.4	0.88	8.8
January 24	-7.9	-18.4	0.10	1.0
January 25	-6.0	-11.3	0.20	2.0
January 26	-8.8	-9.8	0.20	2.0
January 27	-9.8	-25.0	0.00	0.0
January 28	-4.3	-12.4	0.33	3.3
January 29	-3.9	-21.9	0.34	3.4
January 30	-5.9	-25.4	0.00	0.0
January 31	-0.2	-16.1	0.00	0.0

February 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	4.1	-3.1	0.00	0.0
February 2	1.3	-1.9	0.00	0.0
February 3	6.4	-2.0	1.62	0.0
February 4	6.7	-8.8	0.99	9.9
February 5	-7.0	-9.4	0.11	1.1
February 6	-2.0	-8.8	n/a	n/a
February 7	-5.6	-12.1	0.07	0.7
February 8	-5.7	-11.7	0.20	2.0
February 9	-4.1	-8.8	0.20	2.0
February 10	-2.5	-15.5	n/a	n/a
February 11	-7.4	-18.3	0.70	7.0
February 12	-7.5	-15.7	1.68	16.8
February 13	-10.3	-18.1	0.60	6.0
February 14	-6.0	-15.1	0.00	0.0
February 15	-10.2	-16.5	0.00	0.0
February 16	-9.8	-16.5	0.00	0.0
February 17	-4.6	-10.5	0.30	3.0
February 18	-2.0	-6.8	n/a	n/a
February 19	1.8	-5.5	0.00	0.0
February 20	3.8	-7.6	0.00	0.0
February 21	3.3	-5.8	0.00	0.0
February 22	1.6	-4.8	1.24	8.0
February 23	-4.8	-14.3	0.50	5.0
February 24	-6.1	-13.1	n/a	n/a
February 25	-11.0	-20.7	0.00	0.0
February 26	-8.0	-24.8	0.00	0.0
February 27	-2.0	-19.8	0.00	0.0
February 28	-1.2	-12.5	0.00	0.0

March 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-0.3	-10.2	0.14	2.4
March 2	-0.2	-19.5	0.32	4.4
March 3	-13.8	-25.6	0.00	0.0
March 4	2.4	-13.8	0.51	5.6
March 5	0.2	-11.6	0.41	5.0
March 6	-5.4	-15.4	0.00	0.0
March 7	-1.7	-13.2	0.00	0.0
March 8	3.7	-10.1	1.09	0.0
March 9	-9.7	-16.0	0.00	0.0
March 10	-8.8	-15.7	0.06	0.6
March 11	2.3	-13.4	0.00	0.0
March 12	2.0	-5.6	0.16	1.6
March 13	-3.2	-11.5	0.35	4.0
March 14	-0.8	-13.8	0.00	0.0
March 15	8.6	-5.4	0.00	0.0
March 16	12.6	-2.8	0.00	0.0
March 17	15.5	0.1	0.00	0.0
March 18	7.6	1.4	0.00	0.0
March 19	5.9	-0.4	0.11	0.0
March 20	10.0	2.6	0.09	0.0
March 21	8.0	1.9	0.24	0.0
March 22	5.2	1.0	0.08	0.0
March 23	6.8	0.1	0.00	0.0
March 24	14.5	-1.6	0.08	0.0
March 25	14.8	5.2	0.10	0.0
March 26	9.5	0.8	0.02	0.0
March 27	11.4	-0.8	0.00	0.0
March 28	19.2	4.3	0.22	0.0
March 29	10.6	-1.7	1.09	0.8
March 30	1.3	-6.1	0.06	0.6
March 31	-0.1	-6.6	0.06	0.6

April 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	14.2	-2.4	n/a	n/a
April 2	9.7	1.5	0.08	0.0
April 3	1.6	-1.6	0.96	0.0
April 4	0.3	-4.3	n/a	n/a
April 5	-0.7	-8.5	n/a	n/a
April 6	-2.2	-12.4	0.00	0.0
April 7	-1.5	-4.3	n/a	n/a
April 8	-0.2	-2.9	0.06	0.0
April 9	4.6	-4.3	0.00	0.0
April 10	9.6	-5.1	0.00	0.0
April 11	16.4	-0.1	0.00	0.0
April 12	13.0	-0.5	0.00	0.0
April 13	10.9	-2.3	0.00	0.0
April 14	18.8	0.1	0.00	0.0
April 15	27.2	11.7	0.00	0.0
April 16	16.9	0.4	0.00	0.0
April 17	3.9	-1.8	0.19	0.0
April 18	13.0	2.5	0.08	0.0
April 19	19.7	5.3	0.02	0.0
April 20	22.8	9.8	0.14	0.0
April 21	16.2	5.8	0.34	0.0
April 22	5.9	0.1	0.16	0.0
April 23	6.2	-1.9	0.00	0.0
April 24	14.4	-3.0	0.00	0.0
April 25	17.7	1.4	0.00	0.0
April 26	14.4	1.4	0.00	0.0
April 27	16.2	-1.6	0.00	0.0
April 28	24.1	6.7	0.06	0.0
April 29	15.6	2.9	0.00	0.0
April 30	12.4	7.0	0.58	0.0

May 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	19.8	7.6	3.10
May 2	13.2	8.0	0.54
May 3	13.9	3.6	0.00
May 4	18.5	2.2	0.00
May 5	11.8	8.2	0.98
May 6	20.2	8.1	0.00
May 7	13.2	6.5	0.02
May 8	19.4	9.4	0.00
May 9	18.9	9.2	0.00
May 10	21.6	8.7	0.66
May 11	18.5	9.0	0.86
May 12	9.9	5.6	0.26
May 13	13.3	5.9	0.10
May 14	18.7	4.1	0.00
May 15	14.8	7.6	0.08
May 16	11.8	10.0	1.08
May 17	15.7	8.6	0.00
May 18	20.2	7.4	0.00
May 19	23.7	8.4	0.00
May 20	15.9	6.6	0.56
May 21	16.6	3.8	0.00
May 22	16.7	3.8	0.00
May 23	16.1	8.9	1.88
May 24	14.9	7.8	0.08
May 25	16.9	5.6	0.00
May 26	17.9	7.7	0.00
May 27	16.3	6.6	0.36
May 28	20.1	6.2	0.02
May 29	22.9	8.5	0.00
May 30	21.4	8.0	0.00
May 31	14.5	6.3	0.32

June 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	16.5	3.8	0.02
June 2	20.3	4.4	0.00
June 3	17.2	9.8	0.00
June 4	14.3	10.8	1.12
June 5	14.4	8.5	0.00
June 6	22.4	6.2	0.02
June 7	23.4	12.5	0.00
June 8	23.7	12.1	1.00
June 9	19.7	12.3	0.00
June 10	22.6	10.4	0.06
June 11	22.9	14.5	0.02
June 12	15.2	13.1	1.68
June 13	17.9	15.0	0.06
June 14	24.3	12.3	0.00
June 15	26.6	11.6	0.00
June 16	24.0	11.5	0.00
June 17	24.7	12.5	0.00
June 18	24.4	14.4	0.98
June 19	18.9	10.4	0.00
June 20	23.1	8.8	0.00
June 21	25.0	12.0	0.00
June 22	28.0	11.0	0.00
June 23	30.2	10.1	0.00
June 24	31.5	13.7	0.00
June 25	32.3	19.5	0.00
June 26	29.8	16.4	1.40
June 27	24.3	15.0	0.00
June 28	25.4	15.5	0.04
June 29	26.7	16.2	0.06
June 30	25.3	11.6	0.00

July 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	27.6	15.6	0.00
July 2	29.5	13.5	0.00
July 3	29.7	15.8	0.00
July 4	31.2	19.2	0.76
July 5	28.5	20.4	0.06
July 6	29.3	17.7	0.00
July 7	26.6	19.8	0.12
July 8	27.6	19.7	0.04
July 9	25.9	17.1	0.36
July 10	19.6	16.9	0.40
July 11	21.4	15.7	0.06
July 12	21.7	14.1	0.00
July 13	26.4	11.4	0.00
July 14	26.7	12.8	0.00
July 15	26.8	14.2	0.10
July 16	21.3	11.4	0.00
July 17	28.6	11.0	0.00
July 18	24.7	10.9	0.00
July 19	24.8	9.1	0.00
July 20	23.0	13.4	0.02
July 21	21.6	15.4	4.08
July 22	24.2	14.8	0.02
July 23	25.9	13.2	0.02
July 24	25.8	13.4	0.00
July 25	27.1	12.8	0.00
July 26	25.9	18.7	0.00
July 27	25.9	15.9	0.68
July 28	24.6	12.0	0.00
July 29	26.5	10.2	0.00
July 30	27.2	12.2	0.00
July 31	27.1	18.4	0.02

August 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	27.4	17.9	0.00
August 2	25.5	18.3	0.42
August 3	23.1	17.9	0.90
August 4	26.3	18.1	0.02
August 5	25.6	16.8	0.04
August 6	27.0	17.0	0.02
August 7	28.2	15.2	0.00
August 8	28.3	16.8	0.00
August 9	26.6	17.5	0.00
August 10	26.5	16.3	0.00
August 11	26.0	15.2	1.74
August 12	26.8	18.0	0.66
August 13	29.6	16.5	0.02
August 14	30.1	17.6	0.00
August 15	29.5	17.5	0.94
August 16	27.1	17.7	0.00
August 17	23.5	13.6	0.00
August 18	26.5	11.1	0.00
August 19	28.2	11.7	0.00
August 20	28.2	12.3	0.00
August 21	30.1	16.3	0.36
August 22	25.1	15.6	0.00
August 23	23.8	11.5	0.00
August 24	24.1	8.1	0.00
August 25	29.5	19.1	0.00
August 26	28.8	18.9	0.18
August 27	25.6	9.2	0.00
August 28	24.5	7.7	0.00
August 29	26.1	13.7	0.16
August 30	21.4	10.7	0.00
August 31	24.3	9.6	0.04

September 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	18.0	13.4	0.24
September 2	23.9	12.8	0.00
September 3	24.4	12.0	0.02
September 4	21.5	12.9	0.00
September 5	21.8	8.7	0.00
September 6	24.7	5.5	0.00
September 7	27.3	12.9	0.00
September 8	24.0	11.7	0.00
September 9	24.9	11.5	0.00
September 10	26.2	12.4	0.00
September 11	28.0	12.0	0.00
September 12	25.4	15.3	0.00
September 13	27.2	12.8	0.00
September 14	26.8	19.1	0.32
September 15	21.2	10.6	1.82
September 16	23.2	10.1	0.02
September 17	25.1	11.1	0.00
September 18	23.2	12.5	0.04
September 19	20.9	12.8	2.32
September 20	19.7	7.9	0.00
September 21	21.0	7.6	0.00
September 22	20.0	12.7	2.36
September 23	18.2	9.6	0.02
September 24	19.3	6.9	0.00
September 25	17.3	5.3	0.10
September 26	18.4	4.8	0.36
September 27	17.9	9.1	0.80
September 28	15.4	7.2	0.00
September 29	12.2	5.4	0.04
September 30	11.8	2.6	0.12

October 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
October 1	11.6	0.4	0.06	0.0
October 2	9.9	0.2	0.30	3.0
October 3	11.3	0.3	0.66	0.0
October 4	10.1	2.7	0.08	0.0
October 5	10.3	1.2	0.02	0.0
October 6	12.7	0.7	0.00	0.0
October 7	16.7	-1.2	0.00	0.0
October 8	25.6	6.6	0.00	0.0
October 9	24.7	6.9	0.00	0.0
October 10	24.3	12.7	0.00	0.0
October 11	23.6	11.1	0.00	0.0
October 12	17.8	6.8	0.08	0.0
October 13	18.6	4.3	0.00	0.0
October 14	14.2	5.1	3.08	0.0
October 15	11.6	6.2	0.30	0.0
October 16	11.5	1.0	0.00	0.0
October 17	10.3	-0.6	0.00	0.0
October 18	10.4	1.1	0.00	0.0
October 19	11.2	1.9	0.00	0.0
October 20	18.9	2.6	0.00	0.0
October 21	17.6	6.1	0.00	0.0
October 22	6.9	0.1	0.00	0.0
October 23	4.3	-3.1	0.08	0.0
October 24	10.9	-0.2	0.02	0.0
October 25	11.5	6.7	0.31	0.0
October 26	10.0	1.6	1.14	0.0
October 27	8.0	0.1	0.22	0.0
October 28	9.4	1.6	0.82	0.0
October 29	8.8	3.7	0.06	0.0
October 30	14.1	4.1	0.02	0.0
October 31	20.5	12.1	0.00	0.0

November 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	14.8	8.8	0.00	n/a
November 2	13.6	8.4	3.81	n/a
November 3	10.5	6.3	0.80	n/a
November 4	8.3	5.5	0.00	n/a
November 5	8.9	4.9	0.00	n/a
November 6	8.2	1.1	0.00	n/a
November 7	6.0	-1.9	0.08	n/a
November 8	1.3	-4.1	0.00	n/a
November 9	4.1	-7.0	0.00	n/a
November 10	7.8	-6.2	0.00	n/a
November 11	11.7	3.6	0.96	n/a
November 12	13.2	3.8	0.00	n/a
November 13	6.0	-1.2	0.51	n/a
November 14	5.1	-1.7	0.00	n/a
November 15	8.6	-2.4	0.15	n/a
November 16	6.6	4.0	0.29	n/a
November 17	7.8	4.6	0.00	n/a
November 18	14.6	4.4	0.81	n/a
November 19	13.4	4.9	1.17	n/a
November 20	10.6	2.4	0.00	n/a
November 21	11.0	2.5	0.00	n/a
November 22	10.8	2.5	0.00	n/a
November 23	17.6	6.2	0.00	n/a
November 24	14.0	-3.2	0.52	n/a
November 25	2.8	-2.8	0.00	n/a
November 26	7.3	-1.6	0.00	n/a
November 27	5.7	-1.7	0.80	n/a
November 28	5.1	0.3	2.41	n/a
November 29	2.4	-1.0	0.38	n/a
November 30	6.8	-0.7	0.07	n/a

December 2003 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	5.7	-3.1	0.22	n/a
December 2	-1.6	-9.3	0.22	n/a
December 3	0.5	-11.3	0.00	n/a
December 4	3.3	-10.6	0.00	n/a
December 5	0.1	-5.3	0.00	n/a
December 6	-1.7	-7.7	0.00	n/a
December 7	-0.7	-11.0	0.00	n/a
December 8	1.3	-5.2	0.00	n/a
December 9	2.8	0.0	0.00	n/a
December 10	7.2	2.2	0.90	n/a
December 11	6.9	-2.7	0.13	n/a
December 12	-2.7	-5.3	0.00	n/a
December 13	-3.5	-7.9	0.07	n/a
December 14	-1.7	-5.3	0.56	n/a
December 15	-0.3	-3.2	0.00	n/a
December 16	6.1	-2.1	0.28	n/a
December 17	0.1	-3.6	0.13	n/a
December 18	-1.6	-4.1	0.14	n/a
December 19	-1.4	-3.9	0.22	n/a
December 20	-3.2	-6.4	0.07	n/a
December 21	3.5	-3.7	0.00	n/a
December 22	5.9	2.2	0.00	n/a
December 23	3.8	1.0	1.84	n/a
December 24	2.2	-1.8	0.07	n/a
December 25	-1.3	-3.1	0.06	n/a
December 26	2.2	-2.7	0.09	n/a
December 27	7.5	-3.7	0.00	n/a
December 28	8.3	-0.6	0.00	n/a
December 29	8.2	3.6	1.93	n/a
December 30	3.6	-2.3	0.26	n/a
December 31	6.2	-2.3	0.00	n/a

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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