St. Catharines Weather in 2012

Historical record of St. Catharines, Ontario weather for the year 2012 based on NOAA data.

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2012 St. Catharines Weather Extremes
Highest temperature	33.8 °C	July 17
Lowest temperature	-12.5 °C	January 3
Highest daily low	24.9 °C	July 17
Lowest daily high	-6.4 °C	January 3
Most daily precipitation	4.7 cm	September 8
Total annual precipitation	60.9 cm	-

What was the hottest temperature in St. Catharines in 2012?

The highest temperature recorded in St. Catharines, Ontario in 2012 was 33.8 °C which happened on July 17.

Highest Temperatures: All-Time By Year

Highest Temperatures in St. Catharines in 2012

Rank	Temperature	Date
1	33.8 °C	Jul 17
2	33.4 °C	Jul 6
3	32.7 °C	Jun 20
4	32.6 °C	Jul 16
5	32.3 °C	Jul 4
6	32.0 °C	Jun 21
7	31.9 °C	Jul 23
8	31.8 °C	Jun 19
9	31.1 °C	Jun 30
10	31.0 °C	May 28

What was the coldest temperature in St. Catharines in 2012?

The lowest temperature recorded in St. Catharines, Ontario in 2012 was -12.5 °C which happened on Jan 3.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in St. Catharines in 2012

Rank	Temperature	Date
1	-12.5 °C	January 3
2	-11.1 °C	January 4
3	-10.1 °C	January 20
4	-9.9 °C	January 15
5	-9.4 °C	January 14
6	-9.3 °C	March 5
7	-8.1 °C	February 11
7	-8.1 °C	January 16
9	-8.0 °C	January 19
10	-7.1 °C	January 21

January 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	9.2	1.9	0.25
January 2	2.1	-6.5	0.00
January 3	-6.4	-12.5	0.00
January 4	1.0	-11.1	0.00
January 5	3.7	0.5	0.03
January 6	9.0	3.6	0.00
January 7	6.8	2.0	0.00
January 8	2.0	-0.7	0.00
January 9	5.4	0.2	0.00
January 10	6.3	1.8	0.00
January 11	7.4	0.3	0.07
January 12	6.1	3.2	0.71
January 13	4.2	-3.8	0.21
January 14	-3.6	-9.4	0.00
January 15	-5.6	-9.9	0.00
January 16	6.3	-8.1	0.59
January 17	10.9	0.0	1.09
January 18	0.2	-5.2	0.00
January 19	-0.2	-8.0	0.15
January 20	-4.3	-10.1	0.04
January 21	-1.6	-7.1	0.05
January 22	1.9	-5.1	0.00
January 23	10.2	0.5	1.13
January 24	3.1	0.6	0.00
January 25	0.7	-1.5	0.07
January 26	2.0	-1.4	0.44
January 27	4.0	0.5	1.31
January 28	3.0	-0.3	0.16
January 29	3.4	-2.6	0.21
January 30	0.6	-2.9	0.19
January 31	11.3	-1.4	0.00

February 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	9.5	2.9	0.00
February 2	3.1	0.3	0.00
February 3	3.9	0.7	0.00
February 4	4.3	0.8	0.00
February 5	3.2	0.4	0.03
February 6	8.3	0.7	0.00
February 7	3.5	-3.1	0.03
February 8	1.6	-3.9	0.00
February 9	5.0	-2.0	n/a
February 10	1.9	-0.8	0.06
February 11	-0.2	-8.1	0.19
February 12	-1.2	-5.7	0.00
February 13	2.4	-3.7	0.00
February 14	1.6	0.2	0.05
February 15	3.9	-0.8	0.00
February 16	6.2	-0.4	0.00
February 17	4.7	0.0	0.00
February 18	4.5	-0.4	0.12
February 19	0.1	-2.3	0.00
February 20	2.1	-2.5	0.00
February 21	6.6	-1.9	0.07
February 22	7.3	0.3	0.50
February 23	6.2	0.0	0.00
February 24	7.0	0.8	0.82
February 25	1.4	-1.3	0.00
February 26	0.4	-1.7	0.00
February 27	9.1	0.0	0.00
February 28	1.5	-0.5	0.00
February 29	2.6	0.3	0.07

March 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	6.1	2.0	0.32
March 2	10.3	2.0	0.17
March 3	10.5	1.8	0.00
March 4	1.9	-6.7	0.00
March 5	-1.9	-9.3	0.00
March 6	7.4	-5.5	0.00
March 7	15.7	3.1	0.00
March 8	14.9	1.6	0.37
March 9	3.1	-3.1	0.29
March 10	3.4	-4.9	0.03
March 11	13.7	3.4	0.00
March 12	14.5	3.0	0.00
March 13	16.1	4.4	0.19
March 14	14.8	3.7	0.00
March 15	8.7	4.8	0.11
March 16	15.7	5.1	0.00
March 17	8.3	4.4	0.00
March 18	10.1	3.5	0.00
March 19	14.0	6.1	0.00
March 20	9.3	5.3	0.00
March 21	10.8	6.5	0.00
March 22	18.8	8.1	0.00
March 23	13.9	8.3	0.00
March 24	10.9	4.6	1.06
March 25	17.3	4.6	0.03
March 26	5.8	0.4	0.00
March 27	8.7	-0.7	0.00
March 28	14.5	5.7	0.00
March 29	5.9	2.8	0.00
March 30	4.3	0.0	0.22
March 31	5.4	2.9	0.03

April 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	5.7	3.1	0.46
April 2	10.6	4.0	0.00
April 3	7.9	3.3	0.00
April 4	10.1	5.1	0.00
April 5	7.2	2.9	0.00
April 6	10.1	3.6	0.00
April 7	14.7	4.1	0.00
April 8	12.2	4.6	0.03
April 9	10.3	5.0	0.00
April 10	9.4	3.7	0.00
April 11	8.3	3.9	0.00
April 12	12.7	4.7	0.00
April 13	14.7	4.8	0.00
April 14	16.0	5.6	0.00
April 15	18.4	10.9	0.30
April 16	26.0	8.8	0.00
April 17	10.1	3.6	n/a
April 18	7.7	2.5	0.00
April 19	21.5	5.4	0.00
April 20	22.0	6.7	0.49
April 21	6.8	4.5	0.74
April 22	7.8	4.2	0.00
April 23	7.9	3.8	2.06
April 24	7.0	3.4	0.06
April 25	12.5	5.8	0.00
April 26	11.1	4.6	0.18
April 27	7.4	2.7	0.00
April 28	8.5	3.6	0.00
April 29	14.1	3.6	0.00
April 30	10.6	4.0	0.77

May 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	13.1	5.8	0.09
May 2	10.7	7.3	0.00
May 3	15.2	7.5	0.00
May 4	22.0	10.6	0.15
May 5	11.5	8.3	0.00
May 6	13.1	6.3	0.00
May 7	11.1	8.2	0.19
May 8	17.4	8.7	1.54
May 9	19.1	9.5	0.05
May 10	15.0	9.0	0.00
May 11	21.2	9.2	0.00
May 12	23.4	12.0	0.00
May 13	15.0	10.8	0.00
May 14	18.6	10.4	0.00
May 15	23.0	10.8	0.00
May 16	18.6	10.1	0.03
May 17	16.1	8.7	0.00
May 18	14.7	9.1	0.00
May 19	24.0	10.6	0.00
May 20	18.4	12.9	0.00
May 21	24.8	13.9	0.00
May 22	22.6	13.9	0.00
May 23	19.5	15.1	0.00
May 24	25.3	14.6	0.00
May 25	28.0	17.8	0.00
May 26	23.6	16.2	0.00
May 27	22.7	15.6	0.00
May 28	31.0	16.6	0.00
May 29	25.9	18.6	0.00
May 30	22.2	14.9	0.03
May 31	17.9	12.8	0.00

June 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	17.6	12.4	0.95
June 2	18.2	10.8	0.06
June 3	18.4	12.4	0.40
June 4	14.8	12.0	0.00
June 5	18.8	12.5	0.00
June 6	24.4	13.9	0.00
June 7	25.4	13.6	0.07
June 8	24.2	15.6	0.00
June 9	22.4	17.2	0.27
June 10	28.1	17.5	0.00
June 11	29.8	18.4	0.40
June 12	26.9	14.0	0.00
June 13	20.0	12.5	0.00
June 14	19.4	14.1	0.00
June 15	20.9	16.7	0.00
June 16	22.9	16.8	0.00
June 17	28.6	20.1	0.06
June 18	27.8	20.1	0.00
June 19	31.8	23.2	0.00
June 20	32.7	22.1	0.00
June 21	32.0	20.6	0.06
June 22	27.0	19.8	0.00
June 23	25.9	18.0	0.00
June 24	24.9	18.0	0.31
June 25	22.3	17.6	0.00
June 26	25.5	17.4	0.00
June 27	23.9	18.6	0.00
June 28	30.4	20.0	0.00
June 29	28.0	21.3	0.00
June 30	31.1	20.6	0.00

July 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	29.8	20.9	0.00
July 2	30.8	19.0	0.00
July 3	29.2	20.0	0.03
July 4	32.3	21.4	0.00
July 5	25.4	22.1	0.00
July 6	33.4	23.0	0.00
July 7	24.8	19.8	0.48
July 8	26.2	20.6	0.00
July 9	25.7	20.4	0.00
July 10	26.3	19.3	0.00
July 11	26.0	19.3	n/a
July 12	27.3	20.5	0.03
July 13	30.0	21.4	n/a
July 14	28.0	22.4	0.00
July 15	30.5	23.6	0.00
July 16	32.6	23.5	0.00
July 17	33.8	24.9	0.03
July 18	26.3	23.0	0.00
July 19	23.7	20.4	0.00
July 20	21.0	15.6	0.00
July 21	26.3	15.8	0.00
July 22	30.5	21.9	0.61
July 23	31.9	22.9	0.42
July 24	28.7	21.6	0.00
July 25	29.6	20.1	0.09
July 26	27.1	20.8	1.34
July 27	24.3	20.9	0.00
July 28	25.0	20.3	0.18
July 29	26.8	20.9	0.00
July 30	29.6	19.1	0.00
July 31	30.4	22.6	0.00

August 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	28.0	21.4	0.00
August 2	28.6	21.0	0.00
August 3	26.6	23.4	0.00
August 4	29.5	23.9	0.00
August 5	28.8	21.0	0.22
August 6	26.6	19.3	0.00
August 7	29.9	18.4	0.00
August 8	29.9	21.2	0.91
August 9	23.4	20.2	0.57
August 10	25.8	20.4	0.00
August 11	21.8	18.8	0.25
August 12	25.4	18.0	0.00
August 13	26.2	20.3	0.07
August 14	22.5	18.5	0.38
August 15	24.7	17.6	0.00
August 16	28.8	18.4	0.00
August 17	25.6	19.2	0.00
August 18	23.2	17.3	0.00
August 19	24.1	16.7	0.00
August 20	24.3	17.0	0.00
August 21	26.5	15.6	0.00
August 22	27.0	16.9	0.03
August 23	28.7	17.9	0.00
August 24	25.9	19.2	0.00
August 25	28.8	21.2	0.00
August 26	25.9	20.3	0.00
August 27	23.7	19.8	1.43
August 28	25.2	19.3	0.00
August 29	22.1	17.8	0.00
August 30	27.4	16.0	0.00
August 31	30.2	21.0	0.00

September 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	23.5	20.4	0.00
September 2	24.2	20.6	0.00
September 3	24.1	18.4	0.00
September 4	25.6	19.7	4.31
September 5	23.9	19.4	0.00
September 6	26.1	20.9	0.00
September 7	27.2	n/a	n/a
September 8	23.6	17.2	4.74
September 9	20.7	16.1	0.00
September 10	22.0	15.3	0.00
September 11	24.3	13.3	0.00
September 12	26.7	18.0	0.00
September 13	29.0	20.0	0.00
September 14	21.9	16.0	1.77
September 15	21.1	15.1	0.00
September 16	23.6	12.9	0.00
September 17	24.1	17.1	0.00
September 18	20.6	13.0	0.10
September 19	17.6	11.3	0.00
September 20	20.6	12.8	0.00
September 21	20.4	15.2	0.19
September 22	19.1	12.2	1.61
September 23	16.3	9.9	0.00
September 24	17.1	n/a	n/a
September 25	21.3	15.3	0.00
September 26	19.4	11.7	0.00
September 27	16.0	11.0	0.00
September 28	17.3	11.3	0.00
September 29	16.6	11.4	2.70
September 30	15.9	10.8	2.65

October 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	19.8	13.3	0.00
October 2	17.2	13.9	0.00
October 3	19.0	15.9	0.00
October 4	22.6	16.5	0.00
October 5	19.4	9.6	0.92
October 6	12.5	8.7	0.52
October 7	10.3	6.8	0.09
October 8	13.0	7.0	0.00
October 9	15.5	8.3	0.00
October 10	13.4	7.1	0.33
October 11	13.3	5.0	0.00
October 12	10.4	5.0	0.00
October 13	15.0	4.2	0.44
October 14	23.4	14.5	0.35
October 15	19.3	8.5	0.03
October 16	12.1	7.5	0.00
October 17	20.3	7.4	0.06
October 18	20.0	9.7	0.85
October 19	12.4	n/a	n/a
October 20	12.4	n/a	n/a
October 21	14.3	8.6	n/a
October 22	16.3	8.7	0.00
October 23	12.1	9.9	1.73
October 24	11.8	9.2	0.00
October 25	20.1	8.9	0.03
October 26	19.7	8.5	0.00
October 27	9.0	6.9	1.95
October 28	7.3	6.1	0.97
October 29	9.0	6.2	n/a
October 30	13.3	7.8	0.61
October 31	8.7	6.8	0.21

November 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	8.5	6.5	0.29
November 2	6.6	4.8	0.00
November 3	7.2	3.7	0.00
November 4	4.1	2.6	0.00
November 5	3.4	1.9	n/a
November 6	4.9	1.7	0.00
November 7	5.8	1.0	0.00
November 8	6.2	2.3	0.00
November 9	9.7	3.7	0.00
November 10	9.4	6.5	0.00
November 11	19.1	8.3	0.00
November 12	21.5	5.0	0.62
November 13	5.1	3.1	0.00
November 14	6.1	2.9	0.00
November 15	6.8	1.8	0.00
November 16	9.7	2.0	0.00
November 17	8.6	3.5	0.00
November 18	8.4	2.0	0.00
November 19	8.9	2.0	0.00
November 20	8.4	3.8	0.00
November 21	7.4	2.2	0.00
November 22	14.9	3.3	0.00
November 23	13.5	2.1	0.00
November 24	4.0	1.7	0.00
November 25	3.1	0.0	0.00
November 26	3.9	0.8	0.00
November 27	4.6	-0.4	0.00
November 28	4.4	0.8	0.00
November 29	8.6	0.1	0.00
November 30	3.2	-0.8	0.05

December 2012 St. Catharines Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	5.5	0.6	0.00
December 2	12.8	5.3	1.21
December 3	9.0	5.5	0.00
December 4	17.4	6.9	0.24
December 5	7.1	-0.7	0.00
December 6	3.8	-1.8	0.00
December 7	7.9	2.4	0.00
December 8	6.9	1.8	0.24
December 9	4.4	-0.2	0.66
December 10	6.2	1.5	0.47
December 11	2.0	-1.3	0.00
December 12	6.2	0.7	0.00
December 13	7.6	1.2	0.00
December 14	6.7	1.7	0.00
December 15	4.6	0.7	0.00
December 16	13.5	4.2	0.05
December 17	9.7	5.8	0.09
December 18	6.3	2.9	0.45
December 19	6.5	2.7	0.00
December 20	n/a	n/a	n/a
December 21	6.7	1.3	0.43
December 22	2.5	-0.1	0.00
December 23	3.6	-0.1	0.00
December 24	1.3	-1.2	n/a
December 25	1.4	-0.4	0.03
December 26	0.3	-2.5	0.09
December 27	-1.0	-2.8	0.10
December 28	-1.4	-4.2	0.00
December 29	-0.5	-2.7	0.43
December 30	-0.3	-2.7	0.00
December 31	2.5	-2.6	n/a

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Weather Station Details

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