London Weather in 1978

Historical record of London, Ontario weather for the year 1978 based on NOAA data.

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1978 London Weather Extremes
Highest temperature	33.6 °C	July 22
Lowest temperature	-29.5 °C	February 4
Highest daily low	21.0 °C	July 20
Lowest daily high	-13.7 °C	February 6
Most daily precipitation	4.2 cm	January 26
Most daily snow	29.1 cm	January 26
Total annual precipitation	81.7 cm	-
Total annual snow	218.6 cm	-

What was the hottest temperature in London in 1978?

The highest temperature recorded in London, Ontario in 1978 was 33.6 °C which happened on July 22.

Highest Temperatures: All-Time By Year

Highest Temperatures in London in 1978

Rank	Temperature	Date
1	33.6 °C	Jul 22
2	32.6 °C	Jul 20
3	32.2 °C	Sep 6
4	31.9 °C	Jun 27
5	31.3 °C	Aug 14
6	31.0 °C	Sep 11
7	30.4 °C	Aug 19
8	30.2 °C	Aug 13
9	30.0 °C	Jul 21
9	30.0 °C	Jul 15

What was the coldest temperature in London in 1978?

The lowest temperature recorded in London, Ontario in 1978 was -29.5 °C which happened on Feb 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in London in 1978

Rank	Temperature	Date
1	-29.5 °C	February 4
2	-24.8 °C	March 2
2	-24.8 °C	February 19
4	-24.0 °C	February 3
5	-22.5 °C	February 15
6	-22.4 °C	February 21
7	-22.1 °C	February 22
8	-21.3 °C	March 9
9	-20.7 °C	March 6
9	-20.7 °C	February 20

January 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-5.2	-12.9	0.74	11.4
January 2	-6.4	-15.2	0.14	2.4
January 3	-7.3	-14.2	0.02	1.0
January 4	-0.9	-14.0	0.00	0.0
January 5	-0.3	-5.5	0.06	0.7
January 6	-2.4	-6.9	0.00	0.0
January 7	1.2	-5.1	0.02	0.0
January 8	4.3	-5.5	1.60	8.1
January 9	-5.2	-16.6	0.90	11.3
January 10	-7.1	-12.4	1.28	12.8
January 11	-7.7	-12.8	0.03	0.5
January 12	-6.7	-13.3	0.00	0.0
January 13	-4.5	-8.2	0.44	4.7
January 14	-5.8	-17.4	0.00	0.0
January 15	-11.7	-18.9	0.02	0.2
January 16	-7.7	-17.2	0.00	0.0
January 17	-7.1	-18.2	0.26	3.5
January 18	-6.4	-14.0	0.03	0.3
January 19	-5.5	-14.2	0.00	0.0
January 20	-5.8	-11.9	1.00	12.1
January 21	-7.9	-11.8	0.30	3.5
January 22	-7.4	-18.4	0.00	0.0
January 23	-5.9	-18.6	0.00	0.0
January 24	0.5	-12.0	0.82	10.3
January 25	0.9	-1.9	0.68	5.4
January 26	1.6	-11.6	4.24	29.1
January 27	-7.0	-11.3	0.41	6.6
January 28	-5.0	-12.6	0.22	4.8
January 29	-6.8	-17.2	0.04	1.0
January 30	-6.1	-12.4	0.00	0.2
January 31	-8.2	-13.5	0.02	0.4

February 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-8.6	-14.6	0.04	1.5
February 2	-6.7	-14.4	0.14	1.9
February 3	-8.5	-24.0	0.00	0.0
February 4	-11.0	-29.5	0.00	0.0
February 5	-8.8	-18.2	0.32	4.2
February 6	-13.7	-18.9	0.02	0.2
February 7	-10.0	-17.4	0.05	0.7
February 8	-2.0	-19.0	0.00	0.0
February 9	-6.6	-18.8	0.00	0.0
February 10	-4.9	-18.8	0.00	0.0
February 11	-4.2	-14.8	0.00	0.0
February 12	-4.2	-10.0	0.00	0.0
February 13	-3.5	-14.0	0.00	0.0
February 14	-8.3	-19.2	0.00	0.0
February 15	-7.1	-22.5	0.00	0.0
February 16	-4.1	-10.3	0.00	0.6
February 17	-6.4	-15.7	0.00	0.0
February 18	-6.6	-19.2	0.02	0.2
February 19	-7.6	-24.8	0.00	0.0
February 20	-7.9	-20.7	0.00	0.0
February 21	-6.5	-22.4	0.00	0.0
February 22	-6.8	-22.1	0.00	0.0
February 23	-5.1	-16.3	0.04	0.4
February 24	-1.4	-7.2	0.34	4.0
February 25	-1.4	-5.7	0.14	2.8
February 26	-5.0	-13.4	0.00	0.0
February 27	-4.4	-12.8	0.00	0.0
February 28	-4.5	-13.4	0.00	0.0

March 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-6.5	-17.4	0.00	0.2
March 2	-5.8	-24.8	0.00	0.0
March 3	-4.8	-13.3	0.06	0.6
March 4	-8.9	-14.5	0.02	0.8
March 5	-6.5	-15.5	0.00	0.0
March 6	-5.0	-20.7	0.00	0.0
March 7	-3.0	-19.3	0.00	0.0
March 8	-2.5	-18.2	0.00	0.0
March 9	0.7	-21.3	0.00	0.0
March 10	2.1	-15.3	0.00	0.0
March 11	0.8	-4.7	0.08	0.8
March 12	1.2	-8.2	0.04	0.4
March 13	0.9	-12.2	0.00	0.0
March 14	4.6	-0.2	1.74	0.0
March 15	1.0	-3.9	0.04	0.6
March 16	-0.8	-4.6	0.34	5.2
March 17	-2.4	-11.5	0.28	3.0
March 18	1.1	-12.3	0.00	0.0
March 19	2.7	-7.8	0.00	0.0
March 20	3.9	-12.3	0.13	0.0
March 21	5.3	-0.2	1.60	1.2
March 22	4.3	-0.7	0.68	0.0
March 23	4.4	-5.6	0.00	0.0
March 24	-4.1	-9.6	0.00	0.0
March 25	-1.0	-7.3	0.22	1.0
March 26	0.5	-1.5	0.26	0.8
March 27	2.2	-2.2	0.26	2.6
March 28	4.1	-1.6	0.10	1.0
March 29	2.0	-5.3	0.00	0.0
March 30	5.0	-7.2	0.00	0.0
March 31	7.3	-1.6	0.25	0.0

April 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	12.5	-1.8	0.00	0.0
April 2	1.9	-5.2	0.00	0.0
April 3	0.4	-2.3	0.54	2.0
April 4	13.4	0.0	0.42	0.0
April 5	7.5	-0.2	0.00	0.0
April 6	5.0	-0.8	1.45	0.0
April 7	11.4	0.0	0.04	0.0
April 8	2.6	-2.6	0.00	0.0
April 9	4.8	-4.8	0.00	0.0
April 10	14.4	0.2	1.18	0.0
April 11	11.6	3.8	1.69	0.0
April 12	16.4	0.8	0.00	0.0
April 13	11.7	2.6	0.00	0.0
April 14	6.6	-0.2	0.00	0.0
April 15	6.0	-2.1	0.00	0.0
April 16	5.8	-3.4	0.00	0.0
April 17	9.4	-2.1	0.00	0.0
April 18	12.3	-1.2	0.14	0.0
April 19	15.7	5.7	0.28	0.0
April 20	6.4	0.4	0.03	0.3
April 21	7.4	-2.2	0.14	1.4
April 22	9.8	-4.3	0.00	0.0
April 23	12.9	-3.2	0.00	0.0
April 24	15.0	3.0	0.08	0.0
April 25	15.1	0.8	0.00	0.0
April 26	16.9	1.7	0.00	0.0
April 27	17.9	1.4	0.00	0.0
April 28	17.7	2.3	0.00	0.0
April 29	16.1	0.6	0.00	0.0
April 30	6.0	-3.8	0.00	0.0

May 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	5.4	-4.6	0.00
May 2	9.8	-2.8	0.00
May 3	13.5	-2.8	0.00
May 4	9.6	-0.8	0.12
May 5	6.7	4.0	0.83
May 6	9.8	3.2	0.08
May 7	18.0	1.8	0.00
May 8	12.9	8.4	0.92
May 9	16.2	7.4	0.68
May 10	11.2	4.7	0.00
May 11	20.5	3.4	0.50
May 12	17.9	11.6	0.90
May 13	16.8	10.7	0.99
May 14	14.6	9.7	0.51
May 15	15.4	9.2	0.00
May 16	16.9	9.2	0.00
May 17	17.9	9.9	0.14
May 18	21.1	5.8	0.00
May 19	28.1	8.8	0.00
May 20	25.1	8.6	1.74
May 21	16.1	5.4	0.00
May 22	21.4	2.3	0.00
May 23	25.1	6.8	0.00
May 24	26.1	12.8	0.00
May 25	28.3	11.9	0.00
May 26	29.3	10.0	0.00
May 27	29.4	12.3	0.00
May 28	28.1	13.3	0.00
May 29	28.2	13.3	0.00
May 30	27.7	15.8	0.00
May 31	23.9	13.6	0.00

June 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	26.3	10.8	1.28
June 2	20.8	10.7	0.04
June 3	17.7	8.2	0.04
June 4	21.3	8.4	0.18
June 5	15.8	6.2	0.00
June 6	22.2	5.3	0.00
June 7	18.6	11.9	1.18
June 8	17.4	8.4	0.00
June 9	21.6	6.8	0.00
June 10	24.1	5.8	0.00
June 11	26.5	13.5	0.00
June 12	25.9	8.0	1.64
June 13	12.5	5.5	0.06
June 14	16.0	3.3	0.00
June 15	17.4	4.3	0.00
June 16	19.5	8.4	0.00
June 17	28.3	17.0	0.12
June 18	26.4	15.7	0.00
June 19	25.3	13.4	0.04
June 20	26.9	10.6	0.00
June 21	23.5	13.0	1.48
June 22	23.0	8.4	0.00
June 23	20.9	9.6	0.00
June 24	25.0	8.0	0.00
June 25	27.4	10.4	0.22
June 26	27.1	17.5	0.04
June 27	31.9	17.4	0.00
June 28	26.9	14.0	0.00
June 29	28.7	18.2	0.00
June 30	26.5	14.2	0.00

July 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	20.5	10.9	0.00
July 2	23.1	11.6	0.00
July 3	16.1	13.8	0.24
July 4	22.2	13.2	0.00
July 5	25.7	10.3	0.00
July 6	27.3	12.5	0.00
July 7	29.6	15.5	0.00
July 8	27.3	16.5	0.00
July 9	25.6	14.2	0.00
July 10	21.0	8.9	0.00
July 11	21.5	8.1	0.00
July 12	24.0	6.0	0.00
July 13	25.9	12.4	0.00
July 14	27.1	13.4	0.00
July 15	30.0	11.4	0.00
July 16	24.1	10.8	0.00
July 17	26.5	10.0	0.00
July 18	28.9	9.3	0.00
July 19	29.7	18.3	0.00
July 20	32.6	21.0	0.00
July 21	30.0	20.0	0.05
July 22	33.6	20.5	0.00
July 23	26.7	13.6	0.00
July 24	25.2	11.3	0.00
July 25	28.2	12.5	0.00
July 26	27.5	17.4	0.94
July 27	27.6	13.3	0.16
July 28	23.2	12.8	0.00
July 29	25.5	13.4	0.32
July 30	21.7	9.1	0.00
July 31	23.6	8.6	0.00

August 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	27.4	13.9	0.00
August 2	28.8	15.4	0.12
August 3	26.8	13.7	0.12
August 4	22.7	9.0	0.00
August 5	25.2	8.0	0.00
August 6	26.5	11.2	0.00
August 7	23.9	13.1	0.10
August 8	28.1	17.9	0.56
August 9	25.1	13.8	1.32
August 10	24.5	11.7	0.00
August 11	25.4	11.3	0.00
August 12	27.3	12.3	0.00
August 13	30.2	13.7	0.00
August 14	31.3	14.5	0.00
August 15	29.4	19.5	0.00
August 16	28.8	19.1	0.78
August 17	25.5	13.4	0.00
August 18	28.8	12.7	0.00
August 19	30.4	14.6	1.44
August 20	23.5	11.6	0.00
August 21	25.4	9.0	0.00
August 22	27.2	10.3	0.00
August 23	28.6	13.4	0.00
August 24	27.5	18.0	0.06
August 25	23.8	13.0	0.00
August 26	24.3	9.3	0.00
August 27	25.7	15.1	0.00
August 28	28.4	16.8	0.36
August 29	25.5	12.8	0.00
August 30	24.4	10.7	0.00
August 31	23.6	6.9	0.00

September 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	24.9	4.4	0.00
September 2	27.5	8.7	0.10
September 3	24.2	11.4	0.90
September 4	24.2	7.7	0.00
September 5	28.0	12.6	0.00
September 6	32.2	18.1	0.00
September 7	25.4	14.6	0.00
September 8	23.5	12.6	0.00
September 9	22.5	11.4	0.00
September 10	24.4	11.2	0.00
September 11	31.0	18.0	0.38
September 12	19.0	9.7	0.74
September 13	15.9	8.4	0.92
September 14	21.7	11.0	1.96
September 15	21.9	13.7	0.54
September 16	20.2	9.0	0.44
September 17	16.5	9.7	0.22
September 18	15.4	11.6	2.78
September 19	17.8	10.1	0.02
September 20	29.3	12.9	0.00
September 21	22.2	12.4	0.06
September 22	18.2	7.1	0.00
September 23	19.3	5.0	0.00
September 24	21.2	5.3	0.00
September 25	17.5	3.8	0.00
September 26	18.4	1.5	0.00
September 27	23.5	6.9	0.66
September 28	14.4	2.9	0.00
September 29	16.7	2.2	0.00
September 30	21.1	6.5	0.70

October 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	15.7	9.8	0.00
October 2	14.8	5.6	0.00
October 3	16.3	5.7	2.73
October 4	17.4	7.8	0.04
October 5	17.9	6.0	0.80
October 6	13.8	5.0	0.52
October 7	9.3	3.0	1.13
October 8	6.9	1.4	0.24
October 9	14.9	-0.1	0.10
October 10	20.5	6.2	0.00
October 11	19.7	5.9	0.32
October 12	19.5	8.9	0.46
October 13	12.9	5.9	0.12
October 14	8.9	1.2	0.00
October 15	6.1	-1.2	0.00
October 16	9.0	-3.5	0.00
October 17	10.3	-4.7	0.00
October 18	10.0	-0.6	0.14
October 19	10.6	5.2	0.00
October 20	14.7	1.7	0.00
October 21	20.0	5.2	0.00
October 22	21.3	10.4	0.00
October 23	10.8	-1.9	0.42
October 24	9.3	-2.6	0.00
October 25	13.4	3.2	0.82
October 26	13.1	5.0	0.40
October 27	13.5	1.1	0.00
October 28	10.2	-0.6	0.00
October 29	7.7	-4.2	0.00
October 30	13.7	-0.8	0.00
October 31	14.5	-0.4	0.00

November 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	11.5	-1.7	0.00	0.0
November 2	15.9	1.4	0.00	0.0
November 3	17.2	-0.5	0.00	0.0
November 4	20.4	2.0	0.00	0.0
November 5	19.1	5.2	0.00	0.0
November 6	15.2	3.7	0.88	0.0
November 7	6.8	-2.6	0.04	0.0
November 8	8.5	-5.0	0.00	0.0
November 9	13.6	2.2	0.00	0.0
November 10	13.7	1.0	0.00	0.0
November 11	11.9	1.4	0.00	0.0
November 12	3.8	-0.6	0.00	0.0
November 13	13.7	-1.9	1.32	0.0
November 14	15.0	1.0	0.48	0.0
November 15	3.7	-2.6	0.00	0.0
November 16	5.5	-3.2	0.00	0.0
November 17	13.2	0.4	2.09	0.0
November 18	4.9	2.5	0.00	0.0
November 19	4.4	-4.3	0.00	0.0
November 20	-0.6	-5.8	0.00	0.0
November 21	0.0	-5.7	0.00	0.0
November 22	0.9	-2.9	0.00	0.0
November 23	8.0	-0.4	0.94	0.0
November 24	4.4	0.5	0.12	0.6
November 25	0.8	-5.4	0.03	0.3
November 26	-3.3	-7.8	0.00	0.0
November 27	-2.4	-7.2	0.92	11.4
November 28	-0.1	-7.5	0.04	0.6
November 29	3.4	-10.9	0.02	0.0
November 30	2.0	-8.6	0.00	0.3

December 1978 London Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	2.0	-5.2	0.40	4.2
December 2	-2.0	-8.2	0.00	0.0
December 3	9.1	-5.7	1.55	0.8
December 4	9.5	-4.7	0.42	0.0
December 5	2.5	-2.7	0.10	1.4
December 6	1.4	-4.2	0.00	0.0
December 7	5.2	-1.3	0.46	1.0
December 8	5.2	-2.2	0.56	4.6
December 9	-1.5	-11.1	0.00	0.5
December 10	-8.1	-11.7	0.00	0.5
December 11	1.0	-13.3	0.10	2.5
December 12	3.1	-1.6	0.00	0.0
December 13	4.1	-5.1	0.16	1.6
December 14	-0.4	-6.3	0.00	0.5
December 15	3.4	-1.2	0.00	0.0
December 16	4.1	-5.0	0.30	1.0
December 17	0.7	-3.4	0.56	6.6
December 18	0.0	-13.7	0.00	0.0
December 19	-6.7	-15.7	0.00	0.0
December 20	2.5	-7.2	0.48	0.0
December 21	1.2	-5.1	0.14	2.7
December 22	1.8	-5.1	0.00	0.0
December 23	0.7	-6.5	0.00	0.0
December 24	2.6	-4.5	0.20	2.0
December 25	0.3	-7.6	0.42	5.9
December 26	-4.4	-11.3	0.00	0.3
December 27	-6.3	-11.3	0.02	0.4
December 28	-3.6	-14.7	0.00	0.2
December 29	-3.6	-13.0	0.00	0.0
December 30	1.6	-4.0	0.63	0.0
December 31	8.8	0.4	2.84	0.0

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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