St. Catharines Weather in 1943

Historical record of St. Catharines, Ontario weather for the year 1943 based on NOAA data.

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1943 St. Catharines Weather Extremes
Highest temperature	35.0 °C	June 25
Lowest temperature	-23.9 °C	February 15
Highest daily low	22.8 °C	August 13
Lowest daily high	-15.6 °C	February 15
Most daily precipitation	4.4 cm	October 15
Most daily snow	15.2 cm	January 3
Total annual precipitation	64.2 cm	-
Total annual snow	70.5 cm	-

What was the hottest temperature in St. Catharines in 1943?

The highest temperature recorded in St. Catharines, Ontario in 1943 was 35.0 °C which happened on June 25.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Catharines in 1943

Rank	Temperature	Date
1	35.0 °C	Jun 25
2	33.3 °C	Sep 1
2	33.3 °C	Aug 1
2	33.3 °C	Jun 27
2	33.3 °C	Jun 26
6	32.2 °C	Aug 2
7	31.7 °C	Aug 23
7	31.7 °C	Aug 15
7	31.7 °C	Aug 11
7	31.7 °C	Jul 14
7	31.7 °C	Jun 4

What was the coldest temperature in St. Catharines in 1943?

The lowest temperature recorded in St. Catharines, Ontario in 1943 was -23.9 °C which happened on Feb 15.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Catharines in 1943

Rank	Temperature	Date
1	-23.9 °C	February 15
2	-21.1 °C	January 9
3	-19.4 °C	March 4
4	-18.3 °C	March 9
5	-17.2 °C	February 16
6	-16.7 °C	February 18
6	-16.7 °C	January 20
8	-16.1 °C	January 22
9	-15.6 °C	December 15
10	-15.0 °C	March 8

January 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-3.3	-3.9	0.00	0.0
January 2	0.0	-9.4	0.00	0.0
January 3	-3.9	-11.7	1.52	15.2
January 4	-5.6	-8.3	0.00	0.0
January 5	-5.6	-11.1	0.00	0.0
January 6	-3.9	-9.4	0.00	0.0
January 7	-5.0	-10.0	0.00	0.0
January 8	-3.9	-13.9	0.00	0.0
January 9	-3.9	-21.1	0.00	0.0
January 10	0.0	-8.9	0.00	0.0
January 11	0.6	-2.2	0.00	0.0
January 12	-2.8	-3.9	0.00	0.0
January 13	-3.3	-11.7	0.00	0.0
January 14	0.6	-8.9	0.13	1.3
January 15	-2.2	-3.3	0.13	1.3
January 16	1.1	-6.7	0.00	0.0
January 17	-2.2	-4.4	0.00	0.0
January 18	-2.8	-5.6	0.13	1.3
January 19	-2.8	-4.4	0.08	0.8
January 20	-10.6	-16.7	0.05	0.5
January 21	-13.9	-14.4	0.00	0.0
January 22	-11.1	-16.1	0.00	0.0
January 23	-1.7	-14.4	0.00	0.0
January 24	0.6	-3.9	0.00	0.0
January 25	3.9	-1.1	0.00	0.0
January 26	-4.4	-8.9	0.00	0.0
January 27	-3.3	-13.9	0.00	0.0
January 28	-2.2	-8.9	0.00	0.0
January 29	-1.7	-11.1	0.00	0.0
January 30	2.2	-4.4	0.00	0.0
January 31	4.4	0.6	0.41	0.0

February 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-0.6	-1.1	0.00	0.0
February 2	-2.2	-7.2	0.00	0.0
February 3	0.0	-10.0	0.08	0.0
February 4	6.7	-1.1	0.00	0.0
February 5	7.2	0.0	0.00	0.0
February 6	7.8	-0.6	0.91	5.1
February 7	1.7	-2.2	0.00	0.0
February 8	1.1	-3.3	0.00	0.0
February 9	-1.1	-8.3	0.00	0.0
February 10	4.4	-5.6	1.27	0.0
February 11	-2.2	-2.8	0.00	0.0
February 12	-1.7	-11.7	0.00	0.0
February 13	-3.9	-8.9	0.46	4.6
February 14	-12.2	-12.8	0.25	2.5
February 15	-15.6	-23.9	0.00	0.0
February 16	-6.7	-17.2	0.05	0.5
February 17	-5.0	-8.3	0.00	0.0
February 18	-3.3	-16.7	0.00	0.0
February 19	7.8	-4.4	0.00	0.0
February 20	9.4	6.1	0.10	0.0
February 21	6.1	-2.2	0.00	0.0
February 22	8.9	-3.3	0.00	0.0
February 23	15.6	0.6	0.46	0.0
February 24	3.3	2.8	0.00	0.0
February 25	-6.1	-8.3	0.00	0.0
February 26	1.1	-8.3	0.13	1.3
February 27	-2.2	-6.7	0.08	0.0
February 28	5.0	-3.3	0.00	0.0

March 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	2.2	-10.0	0.08	0.8
March 2	-7.2	-12.2	0.76	7.6
March 3	-9.4	-12.2	0.00	0.0
March 4	-2.8	-19.4	0.00	0.0
March 5	-1.7	-5.0	0.00	0.0
March 6	-4.4	-7.8	0.76	7.6
March 7	-6.7	-13.3	0.00	0.0
March 8	-7.2	-15.0	0.00	0.0
March 9	-0.6	-18.3	0.00	0.0
March 10	8.3	-2.2	0.64	0.0
March 11	3.9	-1.1	0.00	0.0
March 12	7.8	-3.9	0.00	0.0
March 13	6.1	-2.8	0.00	0.0
March 14	5.6	-2.2	0.00	0.0
March 15	8.9	-1.1	0.66	0.0
March 16	7.2	-1.7	1.37	0.0
March 17	6.7	0.0	0.00	0.0
March 18	7.8	-0.6	0.00	0.0
March 19	1.7	-3.3	0.41	0.0
March 20	3.3	-1.1	0.00	0.0
March 21	3.9	-3.3	0.00	0.0
March 22	5.6	-2.8	0.00	0.0
March 23	7.2	-5.6	0.00	0.0
March 24	11.7	-0.6	0.00	0.0
March 25	16.1	0.0	0.00	0.0
March 26	21.1	4.4	0.18	0.0
March 27	3.9	-2.2	0.00	0.0
March 28	1.7	-3.9	0.00	0.0
March 29	6.7	-6.7	0.79	0.0
March 30	8.9	0.0	1.17	0.0
March 31	21.1	1.7	0.15	0.0

April 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	14.4	6.1	0.38	3.8
April 2	2.8	-0.6	0.00	0.0
April 3	1.7	-5.6	0.00	0.0
April 4	4.4	-3.3	0.00	0.0
April 5	5.6	3.3	0.00	0.0
April 6	0.6	-7.2	0.00	0.0
April 7	3.9	-6.7	0.58	0.0
April 8	9.4	0.0	0.00	0.0
April 9	13.3	-2.8	0.00	0.0
April 10	2.8	-1.1	0.00	0.0
April 11	6.7	-3.9	0.00	0.0
April 12	3.3	-0.6	0.56	0.0
April 13	4.4	0.6	0.00	0.0
April 14	0.0	-3.9	0.08	0.8
April 15	2.8	-5.0	0.00	0.0
April 16	7.8	-3.3	0.76	7.6
April 17	7.2	0.6	0.00	0.0
April 18	9.4	-2.8	0.00	0.0
April 19	5.0	1.1	3.38	0.0
April 20	6.7	0.0	0.00	0.0
April 21	7.2	1.7	0.00	0.0
April 22	17.2	2.2	0.00	0.0
April 23	19.4	1.1	0.00	0.0
April 24	23.3	3.3	0.23	0.0
April 25	23.9	2.8	0.13	0.0
April 26	13.3	3.9	0.00	0.0
April 27	10.0	3.9	0.91	0.0
April 28	10.0	4.4	0.00	0.0
April 29	15.6	1.1	0.71	0.0
April 30	14.4	7.2	0.08	0.0

May 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	11.7	-1.1	0.00
May 2	13.9	2.2	0.25
May 3	9.4	5.6	0.08
May 4	16.7	5.0	0.00
May 5	18.9	2.8	0.00
May 6	28.9	9.4	0.20
May 7	18.9	13.3	0.53
May 8	8.9	6.1	1.17
May 9	17.2	1.7	0.00
May 10	15.0	6.1	1.60
May 11	13.9	6.1	1.83
May 12	17.8	5.0	0.00
May 13	12.8	6.1	0.00
May 14	16.1	0.6	0.00
May 15	17.8	3.3	0.00
May 16	24.4	9.4	0.03
May 17	16.7	10.6	1.22
May 18	13.9	8.9	0.53
May 19	12.2	6.1	0.13
May 20	20.0	7.2	1.91
May 21	10.0	7.2	0.66
May 22	22.2	6.7	0.00
May 23	25.6	10.6	0.00
May 24	21.1	11.1	0.08
May 25	17.2	14.4	0.10
May 26	21.7	11.1	0.00
May 27	18.9	12.2	0.00
May 28	20.6	11.7	0.00
May 29	21.1	7.2	0.00
May 30	22.2	12.2	0.00
May 31	23.9	11.1	1.47

June 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	27.2	11.1	0.97
June 2	27.8	16.1	0.00
June 3	30.6	18.3	0.00
June 4	31.7	19.4	0.00
June 5	22.2	12.2	0.00
June 6	17.8	10.6	0.38
June 7	16.7	8.9	0.33
June 8	18.9	7.8	0.00
June 9	20.6	8.9	0.00
June 10	23.9	10.0	0.00
June 11	23.3	10.0	0.00
June 12	30.6	12.2	1.35
June 13	26.7	20.0	0.00
June 14	25.6	14.4	0.00
June 15	31.1	13.9	0.46
June 16	23.9	17.2	0.10
June 17	27.2	13.9	0.00
June 18	26.7	16.1	0.00
June 19	30.6	15.6	0.00
June 20	31.1	21.1	0.00
June 21	30.0	17.8	0.00
June 22	29.4	20.0	0.00
June 23	25.6	15.6	0.00
June 24	30.0	13.3	0.00
June 25	35.0	17.8	0.00
June 26	33.3	20.0	0.41
June 27	33.3	20.6	0.00
June 28	30.6	21.1	1.63
June 29	21.1	15.0	0.00
June 30	19.4	9.4	0.00

July 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	21.7	8.3	0.00
July 2	23.3	10.0	0.00
July 3	28.3	14.4	0.00
July 4	22.8	18.9	1.96
July 5	25.6	17.8	0.00
July 6	23.3	16.7	0.00
July 7	25.0	12.2	0.00
July 8	25.6	15.0	0.00
July 9	29.4	14.4	0.00
July 10	29.4	15.6	0.00
July 11	30.0	20.0	0.00
July 12	31.1	18.9	0.00
July 13	27.2	21.1	0.64
July 14	31.7	20.0	0.00
July 15	29.4	16.7	0.00
July 16	28.9	13.9	0.00
July 17	29.4	20.0	0.00
July 18	28.9	15.6	0.00
July 19	26.1	16.1	0.00
July 20	31.1	20.0	0.00
July 21	26.7	13.9	0.53
July 22	24.4	18.3	0.18
July 23	26.1	13.9	0.00
July 24	30.0	17.8	0.00
July 25	24.4	17.8	0.00
July 26	30.6	16.7	0.00
July 27	28.9	20.0	0.00
July 28	26.1	15.0	0.00
July 29	22.2	17.2	0.13
July 30	28.3	13.3	0.00
July 31	31.1	17.2	0.00

August 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	33.3	17.2	0.00
August 2	32.2	21.1	0.20
August 3	25.6	21.7	0.36
August 4	26.1	20.0	1.42
August 5	26.7	15.0	0.00
August 6	22.8	15.6	0.00
August 7	25.6	11.1	0.03
August 8	27.8	17.2	0.00
August 9	28.9	15.0	0.30
August 10	26.7	18.9	0.00
August 11	31.7	17.8	0.03
August 12	30.0	20.6	0.00
August 13	30.0	22.8	0.05
August 14	27.2	20.0	0.00
August 15	31.7	14.4	0.00
August 16	24.4	18.3	0.71
August 17	20.6	13.9	0.00
August 18	22.2	13.3	0.00
August 19	24.4	10.6	0.00
August 20	25.6	15.0	0.00
August 21	26.1	16.7	0.00
August 22	31.1	16.1	0.00
August 23	31.7	18.9	1.78
August 24	24.4	19.4	0.00
August 25	28.9	15.6	0.00
August 26	20.0	16.1	0.48
August 27	17.8	11.1	0.00
August 28	21.1	9.4	0.00
August 29	22.2	9.4	0.00
August 30	29.4	13.9	0.00
August 31	31.1	15.6	0.00

September 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	33.3	21.1	0.41
September 2	26.1	18.3	0.00
September 3	25.0	16.1	0.00
September 4	26.7	17.2	0.18
September 5	26.1	21.1	0.71
September 6	31.1	22.2	1.22
September 7	24.4	16.7	0.00
September 8	25.0	16.1	0.00
September 9	17.8	12.2	0.13
September 10	20.0	8.3	0.33
September 11	16.1	6.7	0.00
September 12	15.6	4.4	0.00
September 13	21.1	5.6	0.00
September 14	26.1	12.2	0.00
September 15	23.3	13.3	0.41
September 16	20.6	12.8	0.23
September 17	14.4	9.4	0.00
September 18	18.3	3.3	0.00
September 19	23.9	6.7	0.00
September 20	24.4	11.1	0.00
September 21	16.7	6.7	0.00
September 22	22.2	8.3	0.00
September 23	15.6	7.8	0.05
September 24	13.9	6.7	0.00
September 25	15.6	7.2	0.08
September 26	17.2	2.2	0.00
September 27	22.2	11.1	0.00
September 28	23.3	11.1	0.00
September 29	17.8	10.0	0.00
September 30	18.9	7.2	0.00

October 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	18.3	8.3	0.03
October 2	21.1	12.2	0.00
October 3	10.0	8.3	0.00
October 4	12.8	5.0	0.00
October 5	13.9	2.8	0.00
October 6	21.1	2.2	0.00
October 7	26.7	11.7	0.00
October 8	26.1	8.3	0.00
October 9	21.1	12.2	0.00
October 10	10.6	2.2	0.00
October 11	21.1	1.1	0.00
October 12	26.7	7.2	0.00
October 13	27.2	10.0	0.00
October 14	18.3	13.9	0.00
October 15	13.9	5.6	4.39
October 16	17.2	7.2	1.30
October 17	7.2	2.8	0.00
October 18	6.7	3.3	0.64
October 19	10.6	0.6	0.25
October 20	13.3	2.2	0.00
October 21	15.0	0.6	0.00
October 22	10.6	3.9	0.00
October 23	10.0	6.1	0.00
October 24	9.4	5.6	0.00
October 25	8.9	2.8	0.00
October 26	9.4	3.3	1.45
October 27	11.1	4.4	1.47
October 28	8.9	6.7	0.00
October 29	15.6	6.1	0.00
October 30	10.6	2.8	0.00
October 31	10.0	1.1	0.00

November 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	21.1	3.9	0.00	0.0
November 2	10.0	7.8	0.20	0.0
November 3	11.1	5.0	0.25	0.0
November 4	12.2	2.8	0.00	0.0
November 5	11.1	3.9	0.08	0.0
November 6	12.8	4.4	0.00	0.0
November 7	19.4	5.6	0.18	0.0
November 8	14.4	10.6	0.97	0.0
November 9	6.1	1.1	0.00	0.0
November 10	6.7	0.6	0.25	2.5
November 11	5.0	-0.6	0.00	0.0
November 12	4.4	-3.3	0.25	0.0
November 13	3.3	0.6	0.00	0.0
November 14	4.4	-2.2	0.00	0.0
November 15	2.2	-2.8	0.00	0.0
November 16	-1.1	-4.4	0.00	0.0
November 17	0.0	-6.7	0.00	0.0
November 18	8.9	-2.2	0.00	0.0
November 19	10.0	3.3	0.00	0.0
November 20	7.8	0.0	0.00	0.0
November 21	4.4	1.1	0.51	0.0
November 22	1.7	0.0	0.00	0.0
November 23	3.9	-1.1	0.00	0.0
November 24	7.8	-1.1	0.00	0.0
November 25	11.1	-0.6	0.00	0.0
November 26	12.8	3.3	0.00	0.0
November 27	5.0	2.8	0.00	0.0
November 28	12.8	-3.9	0.00	0.0
November 29	5.0	-7.2	0.00	0.0
November 30	1.7	-6.7	0.00	0.0

December 1943 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	7.2	0.6	0.00	0.0
December 2	7.8	2.8	0.00	0.0
December 3	6.1	-1.1	0.00	0.0
December 4	5.6	3.3	0.00	0.0
December 5	7.2	1.7	0.00	0.0
December 6	7.2	-1.7	0.08	0.0
December 7	4.4	-1.7	0.00	0.0
December 8	7.2	1.1	0.00	0.0
December 9	6.7	3.9	0.00	0.0
December 10	6.1	-1.7	0.00	0.0
December 11	-8.3	-12.8	0.00	0.0
December 12	3.9	-8.3	0.03	0.3
December 13	-6.7	-12.8	0.00	0.0
December 14	-5.6	-10.0	0.00	0.0
December 15	-4.4	-15.6	0.00	0.0
December 16	-2.8	-11.1	0.00	0.0
December 17	1.1	-6.1	0.00	0.0
December 18	1.7	-2.2	0.00	0.0
December 19	8.9	-1.1	0.00	0.0
December 20	0.0	-3.3	0.00	0.0
December 21	3.3	-1.1	0.00	0.0
December 22	-6.1	-9.4	0.51	5.1
December 23	-10.0	-13.9	0.00	0.0
December 24	-1.1	-13.9	0.00	0.0
December 25	4.4	-5.0	0.00	0.0
December 26	2.8	-5.6	0.38	0.0
December 27	5.0	0.0	0.00	0.0
December 28	-5.6	-7.2	0.00	0.0
December 29	-5.0	-10.0	0.00	0.0
December 30	0.0	-10.0	0.00	0.0
December 31	1.7	-4.4	0.00	0.0

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Weather Station Details

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