St. Catharines Weather in 1947

Historical record of St. Catharines, Ontario weather for the year 1947 based on NOAA data.

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1947 St. Catharines Weather Extremes
Highest temperature	35.0 °C	August 13
Lowest temperature	-16.1 °C	December 20
Highest daily low	24.4 °C	August 14
Lowest daily high	-9.4 °C	February 8
Most daily precipitation	4.2 cm	June 2
Most daily snow	7.6 cm	March 25
Total annual precipitation	73.2 cm	-
Total annual snow	82.0 cm	-

What was the hottest temperature in St. Catharines in 1947?

The highest temperature recorded in St. Catharines, Ontario in 1947 was 35.0 °C which happened on August 13.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Catharines in 1947

Rank	Temperature	Date
1	35.0 °C	Aug 13
2	33.9 °C	Aug 24
2	33.9 °C	Aug 14
2	33.9 °C	Aug 6
5	33.3 °C	Aug 12
5	33.3 °C	Aug 7
7	32.8 °C	Aug 18
8	32.2 °C	Aug 11
8	32.2 °C	Aug 5
8	32.2 °C	Jul 29
8	32.2 °C	Jun 30
8	32.2 °C	Jun 29
8	32.2 °C	Jun 10

What was the coldest temperature in St. Catharines in 1947?

The lowest temperature recorded in St. Catharines, Ontario in 1947 was -16.1 °C which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Catharines in 1947

Rank	Temperature	Date
1	-16.1 °C	December 20
1	-16.1 °C	February 5
3	-15.0 °C	February 9
4	-14.4 °C	January 22
5	-12.8 °C	February 6
6	-12.2 °C	December 24
6	-12.2 °C	February 8
8	-11.7 °C	December 25
8	-11.7 °C	January 4
8	-11.7 °C	January 1

January 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-7.2	-11.7	0.51	5.1
January 2	0.6	-8.3	0.71	0.0
January 3	-3.3	-3.9	0.00	0.0
January 4	-3.9	-11.7	0.00	0.0
January 5	-0.6	-7.8	0.00	0.0
January 6	-1.1	-7.2	0.00	0.0
January 7	1.7	-3.9	0.25	2.5
January 8	-1.1	-5.0	0.00	0.0
January 9	-2.8	-8.9	0.08	0.8
January 10	-1.1	-8.3	0.00	0.0
January 11	5.0	-2.2	0.05	0.0
January 12	-2.2	-6.7	0.00	0.0
January 13	-3.9	-8.9	0.00	0.0
January 14	9.4	-5.0	1.27	0.0
January 15	3.3	1.1	0.00	0.0
January 16	1.1	-1.1	0.00	0.0
January 17	2.8	-5.6	0.00	0.0
January 18	2.2	-1.1	0.00	0.0
January 19	8.3	-6.1	0.58	0.0
January 20	5.6	0.6	0.66	0.0
January 21	0.6	-3.9	0.05	0.5
January 22	-3.9	-14.4	0.00	0.0
January 23	-2.2	-9.4	0.13	1.3
January 24	6.1	-3.3	0.36	0.0
January 25	7.2	0.6	0.10	0.0
January 26	7.2	2.2	0.25	0.0
January 27	11.1	0.6	0.00	0.0
January 28	3.9	1.1	0.25	2.5
January 29	1.1	-3.3	0.76	7.6
January 30	0.0	-5.0	1.65	0.0
January 31	0.0	-1.1	0.00	0.0

February 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-2.8	-6.7	0.00	0.0
February 2	-1.7	-8.9	0.00	0.0
February 3	4.4	-10.6	0.00	0.0
February 4	-3.3	-5.6	0.08	0.8
February 5	-5.6	-16.1	0.00	0.0
February 6	-6.1	-12.8	0.13	1.3
February 7	-5.6	-9.4	0.25	2.5
February 8	-9.4	-12.2	0.00	0.0
February 9	-5.6	-15.0	0.25	2.5
February 10	-1.1	-6.1	0.00	0.0
February 11	0.0	-6.1	0.00	0.0
February 12	1.7	-10.6	0.00	0.0
February 13	5.0	-8.3	0.00	0.0
February 14	5.6	-1.7	0.00	0.0
February 15	2.8	2.2	0.00	0.0
February 16	2.2	-2.2	0.00	0.0
February 17	0.0	-8.9	0.00	0.0
February 18	1.1	-2.2	0.05	0.5
February 19	-2.2	-8.9	0.00	0.0
February 20	-5.0	-10.0	0.00	0.0
February 21	-4.4	-8.9	0.00	0.0
February 22	-6.1	-10.0	0.38	3.8
February 23	-4.4	-9.4	0.00	0.0
February 24	-3.9	-8.3	0.33	3.3
February 25	2.2	-5.0	0.00	0.0
February 26	-0.6	-2.8	0.00	0.0
February 27	-2.2	-6.1	0.00	0.0
February 28	0.6	-8.3	0.00	0.0

March 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	0.6	-6.1	0.13	1.3
March 2	-1.1	-3.3	0.51	5.1
March 3	-0.6	-2.8	0.08	0.8
March 4	-0.6	-4.4	0.00	0.0
March 5	2.2	-3.3	0.00	0.0
March 6	3.3	-1.7	0.00	0.0
March 7	1.7	-2.8	0.00	0.0
March 8	1.1	-3.9	0.00	0.0
March 9	2.2	-4.4	0.00	0.0
March 10	2.8	-3.3	0.00	0.0
March 11	4.4	-1.7	0.00	0.0
March 12	6.7	-5.0	0.00	0.0
March 13	8.9	-4.4	0.71	0.0
March 14	7.8	3.9	0.00	0.0
March 15	0.0	-1.1	0.05	0.5
March 16	0.0	-4.4	0.51	5.1
March 17	0.6	-9.4	0.00	0.0
March 18	0.0	-5.0	0.00	0.0
March 19	5.6	-7.8	0.00	0.0
March 20	6.1	-5.0	0.00	0.0
March 21	2.2	-5.6	0.13	1.3
March 22	5.0	-5.0	0.00	0.0
March 23	12.8	-1.7	0.89	0.0
March 24	10.0	7.2	0.81	0.0
March 25	1.7	1.1	0.76	7.6
March 26	-1.1	-9.4	0.00	0.0
March 27	0.6	-7.8	0.00	0.0
March 28	4.4	-5.6	0.00	0.0
March 29	3.3	0.0	0.00	0.0
March 30	1.1	-5.0	0.00	0.0
March 31	7.8	-6.1	0.00	0.0

April 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	11.1	-1.1	0.69	0.0
April 2	4.4	1.7	0.97	0.0
April 3	6.7	-1.7	0.00	0.0
April 4	11.1	-1.1	1.63	0.0
April 5	16.7	5.0	1.47	0.0
April 6	16.1	8.3	0.00	0.0
April 7	3.3	2.8	0.00	0.0
April 8	8.9	-3.9	0.10	0.0
April 9	10.0	1.7	0.00	0.0
April 10	16.7	-1.7	0.25	0.0
April 11	23.9	5.6	0.00	0.0
April 12	11.1	6.1	0.00	0.0
April 13	5.0	0.0	0.00	0.0
April 14	15.0	-2.8	0.00	0.0
April 15	12.2	0.0	0.00	0.0
April 16	2.8	0.6	1.14	1.3
April 17	10.0	0.0	0.38	0.0
April 18	11.1	2.2	0.64	6.4
April 19	7.2	-1.7	0.25	2.5
April 20	2.8	0.0	0.00	0.0
April 21	7.8	0.0	0.00	0.0
April 22	10.6	-0.6	0.13	0.0
April 23	22.8	2.8	0.00	0.0
April 24	15.6	13.3	0.00	0.0
April 25	10.0	5.0	0.00	0.0
April 26	13.3	-1.7	0.00	0.0
April 27	10.0	9.4	0.28	0.0
April 28	10.6	-3.9	0.00	0.0
April 29	21.1	7.2	0.08	0.0
April 30	20.6	12.8	0.28	0.0

May 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	18.3	9.4	1.07
May 2	15.6	5.6	0.18
May 3	16.7	2.2	0.00
May 4	17.2	4.4	0.18
May 5	13.3	7.8	0.64
May 6	12.2	8.9	0.18
May 7	6.7	3.3	0.56
May 8	6.1	0.0	0.00
May 9	10.0	-1.1	0.00
May 10	13.3	-2.8	0.00
May 11	20.0	3.9	0.00
May 12	23.9	8.3	0.00
May 13	19.4	15.0	1.27
May 14	14.4	3.9	0.64
May 15	18.3	6.1	0.00
May 16	23.9	11.1	0.00
May 17	17.8	4.4	1.09
May 18	22.2	6.7	0.05
May 19	23.9	7.2	1.22
May 20	18.3	15.0	0.10
May 21	23.3	8.3	0.43
May 22	21.1	6.7	0.00
May 23	25.6	9.4	0.00
May 24	21.7	11.7	0.33
May 25	22.2	8.3	0.20
May 26	21.7	7.8	0.00
May 27	18.9	4.4	0.25
May 28	16.7	10.0	0.15
May 29	21.1	7.8	0.43
May 30	15.6	3.9	0.00
May 31	19.4	7.2	0.00

June 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	20.0	12.2	2.92
June 2	17.2	13.3	4.24
June 3	17.8	7.2	0.00
June 4	20.6	3.9	0.00
June 5	28.9	8.9	0.13
June 6	27.8	16.7	0.08
June 7	18.9	16.1	1.91
June 8	18.3	8.9	0.00
June 9	23.9	12.8	0.00
June 10	32.2	8.3	0.00
June 11	30.6	22.8	0.00
June 12	20.6	11.1	0.00
June 13	26.1	11.7	0.38
June 14	20.6	11.1	0.84
June 15	16.7	12.2	0.28
June 16	22.8	9.4	0.00
June 17	23.3	6.1	0.00
June 18	23.9	7.2	0.00
June 19	22.8	9.4	0.00
June 20	26.7	8.9	0.00
June 21	26.1	8.9	0.00
June 22	27.8	9.4	0.00
June 23	31.1	10.6	0.00
June 24	30.6	13.3	0.00
June 25	24.4	15.0	0.00
June 26	26.7	16.7	0.30
June 27	30.0	14.4	0.00
June 28	31.7	19.4	0.00
June 29	32.2	18.9	0.00
June 30	32.2	21.1	0.00

July 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	26.1	17.2	0.05
July 2	23.9	12.8	0.00
July 3	27.8	12.2	0.00
July 4	29.4	14.4	0.00
July 5	28.3	16.7	0.20
July 6	30.0	19.4	0.64
July 7	22.2	17.2	0.25
July 8	21.1	14.4	0.00
July 9	25.0	16.1	0.00
July 10	27.2	16.1	0.30
July 11	26.7	17.2	0.74
July 12	27.8	16.7	0.00
July 13	30.0	17.8	0.00
July 14	31.1	18.9	1.35
July 15	28.9	17.8	0.15
July 16	28.3	19.4	0.38
July 17	28.9	20.0	1.65
July 18	28.9	20.6	0.00
July 19	18.9	16.1	0.00
July 20	23.9	9.4	0.00
July 21	21.1	16.1	0.89
July 22	16.7	15.6	2.87
July 23	21.1	11.7	0.00
July 24	26.7	15.6	0.00
July 25	28.9	17.2	0.00
July 26	27.8	16.7	0.00
July 27	24.4	20.0	0.69
July 28	27.2	17.2	0.00
July 29	32.2	16.1	0.00
July 30	29.4	20.0	0.00
July 31	22.8	19.4	0.00

August 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	23.3	7.8	0.00
August 2	26.7	7.8	0.00
August 3	28.9	12.8	0.00
August 4	31.7	14.4	0.00
August 5	32.2	16.7	0.00
August 6	33.9	20.0	0.00
August 7	33.3	19.4	0.00
August 8	29.4	18.9	0.00
August 9	26.7	20.6	0.00
August 10	28.9	13.9	0.00
August 11	32.2	18.3	0.00
August 12	33.3	19.4	0.00
August 13	35.0	22.2	0.00
August 14	33.9	24.4	0.00
August 15	25.6	21.7	2.49
August 16	26.7	18.9	0.00
August 17	28.9	17.2	0.00
August 18	32.8	20.0	0.41
August 19	27.8	21.7	0.38
August 20	30.0	20.6	0.00
August 21	28.3	20.0	0.20
August 22	28.9	21.7	0.00
August 23	31.1	18.9	0.00
August 24	33.9	20.0	0.00
August 25	31.7	22.8	0.00
August 26	25.6	20.6	0.15
August 27	29.4	13.9	0.00
August 28	30.0	17.2	0.00
August 29	24.4	15.0	0.79
August 30	27.2	16.7	0.00
August 31	25.6	16.7	0.00

September 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	26.1	11.1	0.00
September 2	25.6	16.7	0.00
September 3	28.9	13.9	0.00
September 4	30.0	17.2	0.00
September 5	27.8	16.7	0.51
September 6	29.4	16.7	0.00
September 7	31.7	17.2	0.00
September 8	27.8	20.0	0.00
September 9	31.1	16.7	0.00
September 10	31.7	20.6	0.00
September 11	30.0	22.2	0.00
September 12	30.0	23.3	0.00
September 13	26.1	20.6	0.33
September 14	28.3	16.7	0.00
September 15	26.1	18.3	0.53
September 16	21.1	10.0	0.00
September 17	27.2	9.4	0.00
September 18	28.9	12.2	0.00
September 19	26.7	17.8	0.08
September 20	20.0	11.7	0.00
September 21	28.9	16.7	4.01
September 22	16.7	8.9	0.00
September 23	15.6	1.1	0.00
September 24	22.8	8.9	0.05
September 25	15.0	5.6	0.00
September 26	14.4	1.7	0.00
September 27	15.6	2.2	0.00
September 28	18.9	1.1	0.00
September 29	14.4	7.2	0.81
September 30	10.6	5.0	0.00

October 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	15.0	0.0	0.00
October 2	19.4	7.8	0.00
October 3	21.1	3.3	0.00
October 4	26.7	11.1	0.00
October 5	25.6	15.6	0.00
October 6	26.1	14.4	0.00
October 7	26.7	16.7	0.00
October 8	19.4	15.6	0.00
October 9	16.1	8.3	0.00
October 10	20.0	2.2	0.00
October 11	21.7	3.9	0.00
October 12	25.0	6.7	0.00
October 13	21.1	15.6	0.33
October 14	23.3	5.6	0.00
October 15	27.2	9.4	0.00
October 16	27.2	10.6	0.00
October 17	27.8	12.2	0.00
October 18	25.0	14.4	1.47
October 19	23.3	16.7	0.00
October 20	23.9	6.7	0.00
October 21	22.2	10.0	0.00
October 22	26.1	9.4	0.00
October 23	17.8	16.7	0.00
October 24	15.6	3.3	0.00
October 25	21.7	2.8	0.00
October 26	23.3	14.4	0.00
October 27	26.7	12.8	0.08
October 28	20.0	15.0	0.91
October 29	17.2	10.6	0.00
October 30	10.0	9.4	0.00
October 31	12.2	7.2	0.00

November 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	15.6	0.6	0.00	0.0
November 2	16.1	-1.1	0.00	0.0
November 3	17.8	1.7	0.00	0.0
November 4	11.7	6.7	0.36	0.0
November 5	12.8	9.4	0.08	0.0
November 6	15.0	10.0	0.00	0.0
November 7	16.1	7.2	0.84	0.0
November 8	8.9	3.3	0.05	0.0
November 9	4.4	1.1	0.00	0.0
November 10	8.9	-2.2	0.00	0.0
November 11	10.6	4.4	0.41	0.0
November 12	8.3	1.7	0.00	0.0
November 13	6.7	-1.1	0.00	0.0
November 14	6.1	-5.6	0.00	0.0
November 15	1.1	-2.8	0.08	0.8
November 16	2.2	-1.7	0.00	0.0
November 17	4.4	0.0	0.00	0.0
November 18	5.6	-0.6	0.00	0.0
November 19	6.7	0.6	0.00	0.0
November 20	8.3	-2.2	0.00	0.0
November 21	6.7	-3.3	0.00	0.0
November 22	10.0	0.6	0.00	0.0
November 23	6.7	2.2	0.00	0.0
November 24	3.3	-2.2	0.66	0.3
November 25	1.7	0.6	0.05	0.5
November 26	0.6	-2.2	0.00	0.0
November 27	1.7	-7.2	0.00	0.0
November 28	1.1	-2.2	0.13	1.3
November 29	0.0	-6.1	0.00	0.0
November 30	-0.6	-8.9	0.00	0.0

December 1947 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	4.4	-7.8	0.13	0.0
December 2	5.0	1.7	0.56	0.0
December 3	8.3	2.8	1.02	0.0
December 4	0.0	-3.3	0.51	5.1
December 5	2.2	-4.4	0.43	1.3
December 6	2.8	-3.9	0.00	0.0
December 7	3.3	-2.8	0.33	0.0
December 8	6.1	2.8	0.00	0.0
December 9	0.0	-3.3	0.00	0.0
December 10	-2.2	-5.0	0.38	3.8
December 11	2.8	-8.3	0.00	0.0
December 12	0.6	-5.6	0.00	0.0
December 13	0.0	-4.4	0.00	0.0
December 14	2.2	-7.8	0.00	0.0
December 15	6.7	0.0	1.27	0.0
December 16	2.2	0.6	0.00	0.0
December 17	1.7	-5.0	0.00	0.0
December 18	-3.9	-6.1	0.00	0.0
December 19	-5.0	-8.3	0.20	2.0
December 20	0.0	-16.1	0.00	0.0
December 21	2.2	-3.9	0.00	0.0
December 22	1.7	-2.2	0.00	0.0
December 23	-1.1	-2.8	0.00	0.0
December 24	1.1	-12.2	0.00	0.0
December 25	3.9	-11.7	0.00	0.0
December 26	2.2	-5.6	0.00	0.0
December 27	1.1	-3.9	0.00	0.0
December 28	-1.7	-5.0	0.00	0.0
December 29	-4.4	-8.3	0.00	0.0
December 30	-6.1	-10.0	0.00	0.0
December 31	-2.2	-7.2	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