St. Catharines Weather in 1978

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

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1978 St. Catharines Weather Extremes
Highest temperature	35.0 °C	June 12
Lowest temperature	-8.0 °C	April 8
Highest daily low	24.5 °C	July 21
Lowest daily high	3.0 °C	April 8
Most daily precipitation	4.0 cm	September 11

What was the hottest temperature in St. Catharines in 1978?

The highest temperature recorded in St. Catharines, Ontario in 1978 was 35.0 °C which happened on June 12.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Catharines in 1978

Rank	Temperature	Date
1	35.0 °C	Jun 12
2	34.5 °C	Jun 13
3	33.0 °C	Sep 6
3	33.0 °C	Jul 20
5	32.5 °C	Aug 16
5	32.5 °C	Jul 7
5	32.5 °C	Jun 27
8	32.0 °C	Aug 19
8	32.0 °C	Aug 14
10	31.0 °C	Aug 15
10	31.0 °C	Aug 13
10	31.0 °C	Jul 8
10	31.0 °C	Jun 2

What was the coldest temperature in St. Catharines in 1978?

The lowest temperature recorded in St. Catharines, Ontario in 1978 was -8.0 °C which happened on Apr 8.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Catharines in 1978

Rank	Temperature	Date
1	-8.0 °C	April 8
2	-4.0 °C	April 3
3	-3.0 °C	October 15
4	-2.5 °C	April 9
4	-2.5 °C	April 2
6	-2.0 °C	April 6
7	-1.5 °C	October 14
8	-1.0 °C	October 17
8	-1.0 °C	April 23
8	-1.0 °C	April 18

January 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	n/a	n/a	n/a
January 2	n/a	n/a	n/a
January 3	n/a	n/a	n/a
January 4	n/a	n/a	n/a
January 5	n/a	n/a	n/a
January 6	n/a	n/a	n/a
January 7	n/a	n/a	n/a
January 8	n/a	n/a	n/a
January 9	n/a	n/a	n/a
January 10	n/a	n/a	n/a
January 11	n/a	n/a	n/a
January 12	n/a	n/a	n/a
January 13	n/a	n/a	n/a
January 14	n/a	n/a	n/a
January 15	n/a	n/a	n/a
January 16	n/a	n/a	n/a
January 17	n/a	n/a	n/a
January 18	n/a	n/a	n/a
January 19	n/a	n/a	n/a
January 20	n/a	n/a	n/a
January 21	n/a	n/a	n/a
January 22	n/a	n/a	n/a
January 23	n/a	n/a	n/a
January 24	n/a	n/a	n/a
January 25	n/a	n/a	n/a
January 26	n/a	n/a	n/a
January 27	n/a	n/a	n/a
January 28	n/a	n/a	n/a
January 29	n/a	n/a	n/a
January 30	n/a	n/a	n/a
January 31	n/a	n/a	n/a

February 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	n/a	n/a	n/a
February 2	n/a	n/a	n/a
February 3	n/a	n/a	n/a
February 4	n/a	n/a	n/a
February 5	n/a	n/a	n/a
February 6	n/a	n/a	n/a
February 7	n/a	n/a	n/a
February 8	n/a	n/a	n/a
February 9	n/a	n/a	n/a
February 10	n/a	n/a	n/a
February 11	n/a	n/a	n/a
February 12	n/a	n/a	n/a
February 13	n/a	n/a	n/a
February 14	n/a	n/a	n/a
February 15	n/a	n/a	n/a
February 16	n/a	n/a	n/a
February 17	n/a	n/a	n/a
February 18	n/a	n/a	n/a
February 19	n/a	n/a	n/a
February 20	n/a	n/a	n/a
February 21	n/a	n/a	n/a
February 22	n/a	n/a	n/a
February 23	n/a	n/a	n/a
February 24	n/a	n/a	n/a
February 25	n/a	n/a	n/a
February 26	n/a	n/a	n/a
February 27	n/a	n/a	n/a
February 28	n/a	n/a	n/a

March 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	n/a	n/a	n/a
March 2	n/a	n/a	n/a
March 3	n/a	n/a	n/a
March 4	n/a	n/a	n/a
March 5	n/a	n/a	n/a
March 6	n/a	n/a	n/a
March 7	n/a	n/a	n/a
March 8	n/a	n/a	n/a
March 9	n/a	n/a	n/a
March 10	n/a	n/a	n/a
March 11	n/a	n/a	n/a
March 12	n/a	n/a	n/a
March 13	n/a	n/a	n/a
March 14	n/a	n/a	n/a
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	n/a	n/a	n/a
March 19	n/a	n/a	n/a
March 20	n/a	n/a	n/a
March 21	n/a	n/a	n/a
March 22	n/a	n/a	n/a
March 23	n/a	n/a	n/a
March 24	n/a	n/a	n/a
March 25	n/a	n/a	n/a
March 26	n/a	n/a	n/a
March 27	n/a	n/a	n/a
March 28	n/a	n/a	n/a
March 29	n/a	n/a	n/a
March 30	n/a	n/a	n/a
March 31	n/a	n/a	n/a

April 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	15.0	3.0	0.00
April 2	5.5	-2.5	0.00
April 3	6.0	-4.0	0.00
April 4	12.0	2.0	0.38
April 5	8.0	2.5	0.00
April 6	8.5	-2.0	0.40
April 7	9.5	2.5	0.00
April 8	3.0	-8.0	0.00
April 9	5.0	-2.5	0.00
April 10	12.0	1.0	0.10
April 11	10.0	2.0	0.82
April 12	16.0	3.5	0.10
April 13	12.0	5.5	0.11
April 14	6.5	1.0	0.00
April 15	6.0	1.0	0.00
April 16	8.0	1.0	0.00
April 17	12.5	2.5	0.00
April 18	15.0	-1.0	0.30
April 19	15.5	6.5	0.00
April 20	9.0	2.0	1.20
April 21	6.0	-0.5	1.23
April 22	10.5	1.0	0.00
April 23	11.0	-1.0	0.00
April 24	15.5	1.0	0.00
April 25	14.0	1.0	0.00
April 26	15.5	1.0	0.00
April 27	16.5	3.0	0.00
April 28	17.0	5.0	0.00
April 29	17.5	5.5	0.00
April 30	10.0	-0.5	0.00

May 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	7.0	0.0	0.00
May 2	13.0	3.5	0.00
May 3	13.0	1.0	0.00
May 4	7.0	1.0	0.00
May 5	9.0	6.0	2.00
May 6	8.0	7.0	0.00
May 7	14.0	4.0	0.00
May 8	13.0	8.0	0.50
May 9	15.5	10.5	0.00
May 10	10.5	4.0	0.00
May 11	24.0	5.0	0.00
May 12	22.0	9.0	0.10
May 13	20.0	10.0	0.80
May 14	16.0	7.0	0.00
May 15	14.5	8.0	0.00
May 16	15.5	7.0	0.24
May 17	14.5	7.0	0.00
May 18	19.0	10.5	0.00
May 19	29.5	9.5	0.00
May 20	26.0	15.0	0.00
May 21	24.0	7.0	0.00
May 22	22.5	7.0	0.00
May 23	18.5	8.0	0.00
May 24	17.5	11.0	0.00
May 25	28.0	12.0	0.00
May 26	29.0	13.0	0.00
May 27	27.0	14.0	0.00
May 28	28.0	13.0	0.00
May 29	28.0	14.5	0.00
May 30	30.0	15.0	0.00
May 31	26.0	18.0	0.00

June 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	25.0	14.5	0.00
June 2	31.0	15.5	0.00
June 3	22.0	11.5	0.00
June 4	21.5	7.0	0.00
June 5	16.0	12.5	0.00
June 6	24.0	8.0	0.00
June 7	20.0	14.0	2.50
June 8	22.0	12.0	0.00
June 9	22.5	11.0	0.00
June 10	24.0	7.0	0.00
June 11	27.0	7.0	0.00
June 12	35.0	19.0	1.78
June 13	34.5	9.0	0.00
June 14	18.0	8.0	0.00
June 15	20.5	7.5	0.00
June 16	25.0	12.5	0.00
June 17	28.5	13.0	0.00
June 18	29.5	21.5	0.10
June 19	25.5	16.0	0.10
June 20	27.5	15.0	0.00
June 21	26.0	16.0	1.02
June 22	25.0	12.0	1.12
June 23	21.0	13.5	0.00
June 24	23.0	10.0	0.00
June 25	28.5	22.5	0.10
June 26	29.5	21.0	0.00
June 27	32.5	20.5	0.00
June 28	27.5	17.0	0.00
June 29	30.5	19.5	0.00
June 30	29.0	17.0	0.00

July 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	22.5	13.0	0.00
July 2	25.0	12.0	0.00
July 3	24.0	13.0	0.00
July 4	21.5	14.0	0.00
July 5	27.5	13.0	0.00
July 6	30.5	11.0	0.00
July 7	32.5	20.5	0.00
July 8	31.0	24.0	0.00
July 9	28.0	15.0	0.00
July 10	22.0	18.0	0.00
July 11	22.0	11.0	0.00
July 12	27.0	11.0	0.00
July 13	27.5	16.0	0.00
July 14	29.5	19.0	0.00
July 15	29.5	16.0	0.00
July 16	25.0	18.0	0.00
July 17	25.0	17.0	0.00
July 18	26.0	15.5	0.00
July 19	28.0	16.5	0.00
July 20	33.0	23.5	0.00
July 21	n/a	24.5	0.66
July 22	n/a	22.0	0.14
July 23	n/a	23.5	0.00
July 24	n/a	15.0	0.00
July 25	n/a	17.5	0.00
July 26	n/a	22.0	2.45
July 27	n/a	19.0	0.00
July 28	n/a	14.0	0.00
July 29	n/a	16.0	0.20
July 30	n/a	14.0	0.00
July 31	n/a	12.0	0.00

August 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	27.0	18.5	0.00
August 2	29.5	16.5	1.90
August 3	24.0	19.5	3.80
August 4	23.5	15.5	0.00
August 5	22.0	12.0	0.00
August 6	25.5	16.0	0.00
August 7	22.0	15.5	0.10
August 8	27.0	18.0	0.00
August 9	27.0	19.0	0.40
August 10	24.0	14.5	0.40
August 11	24.0	14.5	0.00
August 12	27.0	16.5	0.00
August 13	31.0	17.5	0.00
August 14	32.0	18.5	0.00
August 15	31.0	22.5	0.00
August 16	32.5	23.5	0.00
August 17	25.5	20.5	0.00
August 18	29.5	13.5	0.00
August 19	32.0	16.5	0.54
August 20	24.0	10.5	0.00
August 21	27.5	12.0	0.00
August 22	27.5	15.5	0.00
August 23	28.5	16.5	0.00
August 24	29.0	20.5	1.10
August 25	26.0	18.0	0.00
August 26	24.5	14.0	0.00
August 27	24.5	14.5	0.00
August 28	27.5	17.0	0.10
August 29	26.5	17.0	0.00
August 30	26.0	14.5	0.00
August 31	22.5	17.0	0.00

September 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	24.0	12.0	0.00
September 2	27.0	12.0	0.43
September 3	26.0	13.5	0.00
September 4	24.5	14.0	0.00
September 5	25.5	13.5	0.00
September 6	33.0	15.0	0.00
September 7	23.0	19.0	0.00
September 8	16.5	12.0	0.20
September 9	19.0	15.0	0.00
September 10	23.0	10.5	0.00
September 11	29.0	15.5	4.00
September 12	17.0	12.0	0.16
September 13	17.0	9.5	0.00
September 14	23.0	9.0	0.00
September 15	23.0	15.5	0.80
September 16	21.0	16.0	0.00
September 17	15.0	10.0	2.30
September 18	15.0	11.0	1.45
September 19	17.0	10.5	0.00
September 20	28.5	9.0	0.00
September 21	28.5	9.0	0.00
September 22	26.0	18.0	0.00
September 23	20.0	9.0	0.00
September 24	18.0	7.5	0.00
September 25	22.0	8.0	0.00
September 26	16.0	12.5	0.00
September 27	18.5	5.5	0.62
September 28	23.0	12.5	0.00
September 29	15.0	7.0	0.00
September 30	17.0	4.5	n/a

October 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	17.0	13.5	0.00
October 2	15.5	10.5	0.00
October 3	18.5	6.0	1.40
October 4	16.0	11.5	0.30
October 5	20.5	4.0	0.30
October 6	15.0	3.5	0.96
October 7	12.0	1.0	0.00
October 8	7.5	5.5	0.00
October 9	15.0	2.5	0.00
October 10	21.0	9.5	0.00
October 11	21.5	n/a	0.16
October 12	20.0	9.0	0.80
October 13	13.0	4.0	0.50
October 14	8.0	-1.5	0.76
October 15	10.0	-3.0	0.00
October 16	8.5	1.0	0.00
October 17	9.0	-1.0	0.00
October 18	14.0	1.0	0.00
October 19	11.0	6.5	0.00
October 20	14.5	5.5	0.00
October 21	20.0	9.0	0.00
October 22	22.0	14.0	0.08
October 23	10.5	5.0	0.50
October 24	9.0	0.5	0.00
October 25	17.0	3.5	0.00
October 26	16.0	8.0	0.90
October 27	13.0	5.0	0.02
October 28	12.0	1.0	0.00
October 29	9.0	3.0	0.00
October 30	15.0	0.0	0.00
October 31	n/a	4.0	0.00

November 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	n/a	n/a	n/a
November 2	n/a	n/a	n/a
November 3	n/a	n/a	n/a
November 4	n/a	n/a	n/a
November 5	n/a	n/a	n/a
November 6	n/a	n/a	n/a
November 7	n/a	n/a	n/a
November 8	n/a	n/a	n/a
November 9	n/a	n/a	n/a
November 10	n/a	n/a	n/a
November 11	n/a	n/a	n/a
November 12	n/a	n/a	n/a
November 13	n/a	n/a	n/a
November 14	n/a	n/a	n/a
November 15	n/a	n/a	n/a
November 16	n/a	n/a	n/a
November 17	n/a	n/a	n/a
November 18	n/a	n/a	n/a
November 19	n/a	n/a	n/a
November 20	n/a	n/a	n/a
November 21	n/a	n/a	n/a
November 22	n/a	n/a	n/a
November 23	n/a	n/a	n/a
November 24	n/a	n/a	n/a
November 25	n/a	n/a	n/a
November 26	n/a	n/a	n/a
November 27	n/a	n/a	n/a
November 28	n/a	n/a	n/a
November 29	n/a	n/a	n/a
November 30	n/a	n/a	n/a

December 1978 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	n/a	n/a	n/a
December 2	n/a	n/a	n/a
December 3	n/a	n/a	n/a
December 4	n/a	n/a	n/a
December 5	n/a	n/a	n/a
December 6	n/a	n/a	n/a
December 7	n/a	n/a	n/a
December 8	n/a	n/a	n/a
December 9	n/a	n/a	n/a
December 10	n/a	n/a	n/a
December 11	n/a	n/a	n/a
December 12	n/a	n/a	n/a
December 13	n/a	n/a	n/a
December 14	n/a	n/a	n/a
December 15	n/a	n/a	n/a
December 16	n/a	n/a	n/a
December 17	n/a	n/a	n/a
December 18	n/a	n/a	n/a
December 19	n/a	n/a	n/a
December 20	n/a	n/a	n/a
December 21	n/a	n/a	n/a
December 22	n/a	n/a	n/a
December 23	n/a	n/a	n/a
December 24	n/a	n/a	n/a
December 25	n/a	n/a	n/a
December 26	n/a	n/a	n/a
December 27	n/a	n/a	n/a
December 28	n/a	n/a	n/a
December 29	n/a	n/a	n/a
December 30	n/a	n/a	n/a
December 31	n/a	n/a	n/a

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Weather Station Details

Years	Station	Coordinates
1995–2024	Port Weller (AUT)	location
1882–1994	St Catherines	location