Cornwall Weather in 1870

Historical record of Cornwall, Ontario weather for the year 1870 based on NOAA data.

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1870 Cornwall Weather Extremes
Highest temperature	36.1 °C	July 25
Lowest temperature	-28.3 °C	February 4
Highest daily low	22.2 °C	August 9
Lowest daily high	-19.4 °C	January 14
Most daily precipitation	3.2 cm	February 8
Most daily snow	32.0 cm	February 8

What was the hottest temperature in Cornwall in 1870?

The highest temperature recorded in Cornwall, Ontario in 1870 was 36.1 °C which happened on July 25.

Highest Temperatures: All-Time By Year

Highest Temperatures in Cornwall in 1870

Rank	Temperature	Date
1	36.1 °C	Jul 25
2	35.6 °C	Jun 18
3	35.0 °C	Jun 27
4	34.4 °C	Jul 20
4	34.4 °C	Jun 4
6	33.9 °C	Jul 18
6	33.9 °C	Jun 25
6	33.9 °C	Jun 24
9	33.3 °C	Jul 19
9	33.3 °C	Jun 3

What was the coldest temperature in Cornwall in 1870?

The lowest temperature recorded in Cornwall, Ontario in 1870 was -28.3 °C which happened on Feb 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Cornwall in 1870

Rank	Temperature	Date
1	-28.3 °C	February 4
2	-26.7 °C	December 30
2	-26.7 °C	December 29
4	-26.1 °C	January 14
5	-25.0 °C	March 12
6	-22.2 °C	March 11
7	-21.7 °C	December 23
7	-21.7 °C	February 3
7	-21.7 °C	January 15
10	-21.1 °C	February 22

January 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-5.0	-9.4	0.00	0.0
January 2	n/a	n/a	0.00	0.0
January 3	2.8	-8.9	0.56	5.6
January 4	-1.1	-8.9	0.79	7.9
January 5	-3.3	-12.8	0.00	0.0
January 6	1.7	-10.0	0.51	5.1
January 7	-1.7	-18.3	0.00	0.0
January 8	-13.9	-19.4	0.25	2.5
January 9	n/a	n/a	0.00	0.0
January 10	-3.9	-20.0	0.00	0.0
January 11	-1.1	-12.2	0.00	0.0
January 12	-3.3	-10.0	1.02	10.2
January 13	-4.4	-17.8	0.25	2.5
January 14	-19.4	-26.1	0.00	0.0
January 15	5.6	-21.7	0.25	2.5
January 16	n/a	n/a	0.00	0.0
January 17	10.0	-5.6	0.76	7.6
January 18	10.0	-8.9	0.00	0.0
January 19	-3.9	-11.7	0.00	0.0
January 20	2.8	-9.4	0.00	0.0
January 21	0.6	-10.6	0.00	0.0
January 22	-2.2	-10.6	0.00	0.0
January 23	n/a	n/a	0.00	0.0
January 24	5.0	-17.2	0.00	0.0
January 25	-5.6	-15.0	0.64	6.4
January 26	3.9	-7.2	0.00	0.0
January 27	2.2	-8.3	0.00	0.0
January 28	-2.2	-15.0	0.00	0.0
January 29	3.3	-14.4	0.00	0.0
January 30	n/a	n/a	0.00	0.0
January 31	1.1	-16.7	0.00	0.0

February 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-8.3	-17.8	0.13	1.3
February 2	-14.4	-19.4	0.89	8.9
February 3	-12.8	-21.7	0.00	0.0
February 4	-13.9	-28.3	0.00	0.0
February 5	-5.0	-17.8	0.00	0.0
February 6	n/a	n/a	0.00	0.0
February 7	0.6	-17.2	0.00	0.0
February 8	-1.7	-7.2	3.20	32.0
February 9	0.6	-6.7	0.38	3.8
February 10	-0.6	-18.3	0.00	0.0
February 11	-10.6	-18.9	0.00	0.0
February 12	5.6	-10.6	0.00	0.0
February 13	n/a	n/a	0.00	0.0
February 14	-3.3	-18.3	2.29	22.9
February 15	2.2	-6.1	0.00	0.0
February 16	-2.8	-12.2	0.00	0.0
February 17	-5.6	-15.0	0.00	0.0
February 18	10.0	-10.6	0.51	5.1
February 19	-9.4	-17.2	0.00	0.0
February 20	n/a	n/a	0.00	0.0
February 21	-7.8	-18.9	0.00	0.0
February 22	-10.6	-21.1	0.51	5.1
February 23	-2.8	-12.8	1.27	12.7
February 24	-7.8	-17.2	0.00	0.0
February 25	-6.7	-18.3	0.25	2.5
February 26	-3.3	-14.4	0.00	0.0
February 27	n/a	n/a	0.00	0.0
February 28	1.1	-11.7	0.76	7.6

March 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-2.2	-7.2	0.00	0.0
March 2	-3.9	-12.2	1.02	10.2
March 3	-7.2	-15.0	0.00	0.0
March 4	-3.9	-17.8	0.00	0.0
March 5	-1.7	-17.8	0.00	0.0
March 6	n/a	n/a	0.00	0.0
March 7	3.9	-10.0	1.52	15.2
March 8	3.9	-7.8	0.76	7.6
March 9	1.1	-6.7	0.00	0.0
March 10	-1.1	-13.3	0.00	0.0
March 11	-7.2	-22.2	0.00	0.0
March 12	-8.9	-25.0	0.00	0.0
March 13	n/a	n/a	0.00	0.0
March 14	0.0	-9.4	0.00	0.0
March 15	3.9	-13.3	0.00	0.0
March 16	1.7	-6.1	0.00	0.0
March 17	0.0	-2.2	0.76	7.6
March 18	3.9	-7.2	0.00	0.0
March 19	1.7	-12.8	0.00	0.0
March 20	n/a	n/a	0.00	0.0
March 21	n/a	-7.8	0.00	0.0
March 22	n/a	-1.1	3.05	30.5
March 23	n/a	-6.7	0.51	5.1
March 24	n/a	-12.2	0.00	0.0
March 25	n/a	-13.3	0.00	0.0
March 26	n/a	-12.2	0.00	0.0
March 27	n/a	n/a	0.00	0.0
March 28	n/a	-3.3	1.52	15.2
March 29	n/a	0.0	0.00	0.0
March 30	n/a	0.0	0.00	0.0
March 31	n/a	-1.7	0.00	0.0

April 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	n/a	-1.7	n/a	n/a
April 2	n/a	-1.1	n/a	n/a
April 3	n/a	n/a	n/a	n/a
April 4	n/a	-2.8	n/a	n/a
April 5	n/a	0.0	n/a	n/a
April 6	n/a	0.0	n/a	n/a
April 7	n/a	1.1	n/a	n/a
April 8	n/a	-1.1	n/a	n/a
April 9	n/a	-1.1	n/a	n/a
April 10	n/a	n/a	n/a	n/a
April 11	n/a	-1.1	n/a	n/a
April 12	n/a	1.1	n/a	n/a
April 13	n/a	-1.7	n/a	n/a
April 14	n/a	3.9	n/a	n/a
April 15	n/a	2.2	n/a	n/a
April 16	n/a	1.7	n/a	n/a
April 17	n/a	n/a	n/a	n/a
April 18	n/a	4.4	n/a	n/a
April 19	n/a	3.9	n/a	n/a
April 20	n/a	1.7	n/a	n/a
April 21	n/a	1.1	n/a	n/a
April 22	n/a	0.0	n/a	n/a
April 23	n/a	5.6	n/a	n/a
April 24	n/a	n/a	n/a	n/a
April 25	n/a	1.7	n/a	n/a
April 26	n/a	2.2	n/a	n/a
April 27	n/a	8.3	n/a	n/a
April 28	n/a	7.8	n/a	n/a
April 29	n/a	0.6	n/a	n/a
April 30	n/a	0.6	n/a	n/a

May 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
May 1	n/a	n/a	n/a	n/a
May 2	n/a	2.2	n/a	n/a
May 3	n/a	5.6	n/a	n/a
May 4	n/a	5.6	n/a	n/a
May 5	n/a	2.8	n/a	n/a
May 6	n/a	3.3	n/a	n/a
May 7	n/a	3.9	n/a	n/a
May 8	n/a	n/a	n/a	n/a
May 9	n/a	1.1	n/a	n/a
May 10	n/a	4.4	n/a	n/a
May 11	n/a	5.6	n/a	n/a
May 12	n/a	5.6	n/a	n/a
May 13	n/a	6.1	n/a	n/a
May 14	n/a	5.6	n/a	n/a
May 15	n/a	n/a	n/a	n/a
May 16	n/a	7.2	n/a	n/a
May 17	n/a	5.0	n/a	n/a
May 18	n/a	3.9	n/a	n/a
May 19	n/a	3.9	n/a	n/a
May 20	n/a	5.0	n/a	n/a
May 21	n/a	4.4	n/a	n/a
May 22	n/a	n/a	n/a	n/a
May 23	n/a	-0.6	n/a	n/a
May 24	n/a	10.0	n/a	n/a
May 25	n/a	9.4	n/a	n/a
May 26	n/a	5.6	n/a	n/a
May 27	n/a	6.1	n/a	n/a
May 28	n/a	5.0	n/a	n/a
May 29	n/a	n/a	n/a	n/a
May 30	n/a	7.2	n/a	n/a
May 31	n/a	21.1	n/a	n/a

June 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
June 1	31.1	15.0	n/a	n/a
June 2	27.8	15.6	n/a	n/a
June 3	33.3	13.9	n/a	n/a
June 4	34.4	16.7	n/a	n/a
June 5	n/a	n/a	n/a	n/a
June 6	32.8	17.2	n/a	n/a
June 7	31.7	13.3	n/a	n/a
June 8	30.6	17.8	n/a	n/a
June 9	28.3	16.1	n/a	n/a
June 10	27.8	16.7	n/a	n/a
June 11	25.6	15.0	n/a	n/a
June 12	n/a	n/a	n/a	n/a
June 13	29.4	15.0	n/a	n/a
June 14	29.4	15.0	n/a	n/a
June 15	29.4	15.0	n/a	n/a
June 16	31.1	15.0	n/a	n/a
June 17	31.1	15.6	n/a	n/a
June 18	35.6	17.2	n/a	n/a
June 19	n/a	n/a	n/a	n/a
June 20	32.8	15.0	n/a	n/a
June 21	18.3	10.0	n/a	n/a
June 22	21.1	6.7	n/a	n/a
June 23	31.7	15.0	n/a	n/a
June 24	33.9	16.7	n/a	n/a
June 25	33.9	20.6	n/a	n/a
June 26	n/a	n/a	n/a	n/a
June 27	35.0	19.4	n/a	n/a
June 28	32.8	21.7	n/a	n/a
June 29	26.7	20.6	n/a	n/a
June 30	21.1	12.8	n/a	n/a

July 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
July 1	29.4	8.3	n/a	n/a
July 2	27.8	8.9	n/a	n/a
July 3	n/a	n/a	n/a	n/a
July 4	31.1	10.6	n/a	n/a
July 5	30.6	17.8	n/a	n/a
July 6	31.1	15.0	n/a	n/a
July 7	27.2	17.2	n/a	n/a
July 8	23.3	15.0	n/a	n/a
July 9	27.2	11.7	n/a	n/a
July 10	n/a	n/a	n/a	n/a
July 11	30.0	15.6	n/a	n/a
July 12	26.7	18.9	n/a	n/a
July 13	28.9	16.7	n/a	n/a
July 14	29.4	12.8	n/a	n/a
July 15	29.4	12.8	n/a	n/a
July 16	27.2	11.7	n/a	n/a
July 17	n/a	n/a	n/a	n/a
July 18	33.9	20.0	n/a	n/a
July 19	33.3	16.7	n/a	n/a
July 20	34.4	15.6	n/a	n/a
July 21	28.3	12.2	n/a	n/a
July 22	30.0	19.4	n/a	n/a
July 23	32.8	18.9	n/a	n/a
July 24	n/a	n/a	n/a	n/a
July 25	36.1	20.0	n/a	n/a
July 26	31.7	17.8	n/a	n/a
July 27	26.7	15.6	n/a	n/a
July 28	31.1	13.9	n/a	n/a
July 29	26.7	18.9	n/a	n/a
July 30	30.0	15.6	n/a	n/a
July 31	n/a	n/a	n/a	n/a

August 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
August 1	28.9	13.9	n/a	n/a
August 2	21.7	15.6	n/a	n/a
August 3	25.0	9.4	n/a	n/a
August 4	28.3	18.9	n/a	n/a
August 5	26.7	15.6	n/a	n/a
August 6	27.2	13.3	n/a	n/a
August 7	n/a	n/a	n/a	n/a
August 8	32.8	18.9	n/a	n/a
August 9	31.7	22.2	n/a	n/a
August 10	29.4	19.4	n/a	n/a
August 11	30.6	17.8	n/a	n/a
August 12	28.3	12.8	n/a	n/a
August 13	21.1	13.9	n/a	n/a
August 14	n/a	n/a	n/a	n/a
August 15	25.6	10.6	n/a	n/a
August 16	26.1	8.9	n/a	n/a
August 17	27.8	13.3	n/a	n/a
August 18	28.3	16.7	n/a	n/a
August 19	32.2	13.3	n/a	n/a
August 20	25.6	8.3	n/a	n/a
August 21	n/a	n/a	n/a	n/a
August 22	22.8	12.2	n/a	n/a
August 23	22.8	11.1	n/a	n/a
August 24	25.6	9.4	n/a	n/a
August 25	31.7	17.2	n/a	n/a
August 26	23.3	10.0	n/a	n/a
August 27	22.2	5.6	n/a	n/a
August 28	n/a	n/a	n/a	n/a
August 29	28.3	7.2	n/a	n/a
August 30	23.9	15.0	n/a	n/a
August 31	25.6	12.8	n/a	n/a

September 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
September 1	24.4	11.7	n/a	n/a
September 2	25.0	17.2	n/a	n/a
September 3	21.7	15.6	n/a	n/a
September 4	n/a	n/a	n/a	n/a
September 5	22.2	11.1	n/a	n/a
September 6	19.4	6.7	n/a	n/a
September 7	21.1	5.0	n/a	n/a
September 8	22.2	6.7	n/a	n/a
September 9	27.2	10.6	n/a	n/a
September 10	19.4	7.8	n/a	n/a
September 11	n/a	n/a	n/a	n/a
September 12	18.9	2.2	n/a	n/a
September 13	22.8	7.2	n/a	n/a
September 14	24.4	10.0	n/a	n/a
September 15	25.6	9.4	n/a	n/a
September 16	18.9	11.1	n/a	n/a
September 17	20.0	10.6	n/a	n/a
September 18	n/a	n/a	n/a	n/a
September 19	22.2	5.0	n/a	n/a
September 20	21.1	8.3	n/a	n/a
September 21	23.9	5.6	n/a	n/a
September 22	23.9	7.8	n/a	n/a
September 23	19.4	13.9	n/a	n/a
September 24	18.9	13.3	n/a	n/a
September 25	n/a	n/a	n/a	n/a
September 26	18.9	7.8	n/a	n/a
September 27	20.0	12.8	n/a	n/a
September 28	17.8	4.4	n/a	n/a
September 29	19.4	3.9	n/a	n/a
September 30	17.2	10.0	n/a	n/a

October 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
October 1	19.4	12.2	n/a	n/a
October 2	n/a	n/a	n/a	n/a
October 3	20.0	8.3	n/a	n/a
October 4	16.7	9.4	n/a	n/a
October 5	15.0	8.9	n/a	n/a
October 6	12.8	6.1	n/a	n/a
October 7	13.9	1.7	n/a	n/a
October 8	17.2	1.7	n/a	n/a
October 9	n/a	n/a	n/a	n/a
October 10	18.9	6.1	n/a	n/a
October 11	20.6	6.7	n/a	n/a
October 12	19.4	10.6	n/a	n/a
October 13	20.6	10.0	n/a	n/a
October 14	13.9	6.7	n/a	n/a
October 15	12.8	6.1	n/a	n/a
October 16	n/a	n/a	n/a	n/a
October 17	21.7	8.3	n/a	n/a
October 18	15.0	1.7	n/a	n/a
October 19	8.9	-1.7	n/a	n/a
October 20	8.3	4.4	n/a	n/a
October 21	12.8	3.3	n/a	n/a
October 22	14.4	5.6	n/a	n/a
October 23	n/a	n/a	n/a	n/a
October 24	20.6	-1.1	n/a	n/a
October 25	17.8	3.9	n/a	n/a
October 26	6.7	-1.7	n/a	n/a
October 27	13.3	-3.3	n/a	n/a
October 28	11.7	2.2	n/a	n/a
October 29	5.0	0.0	n/a	n/a
October 30	n/a	n/a	n/a	n/a
October 31	8.3	-3.9	n/a	n/a

November 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	8.9	0.0	n/a	n/a
November 2	17.8	2.8	n/a	n/a
November 3	15.0	3.9	n/a	n/a
November 4	7.8	-1.1	n/a	n/a
November 5	10.0	0.0	n/a	n/a
November 6	n/a	n/a	n/a	n/a
November 7	5.6	-6.1	n/a	n/a
November 8	5.6	0.0	n/a	n/a
November 9	15.0	4.4	n/a	n/a
November 10	4.4	-2.2	n/a	n/a
November 11	5.6	-5.0	n/a	n/a
November 12	10.0	-1.7	n/a	n/a
November 13	n/a	n/a	n/a	n/a
November 14	8.3	-1.7	n/a	n/a
November 15	3.9	-1.1	n/a	n/a
November 16	5.6	-3.3	n/a	n/a
November 17	5.6	0.6	n/a	n/a
November 18	5.0	-3.9	n/a	n/a
November 19	-1.7	-6.1	n/a	n/a
November 20	n/a	n/a	n/a	n/a
November 21	3.3	-7.2	n/a	n/a
November 22	0.0	-6.1	n/a	n/a
November 23	1.7	-5.0	n/a	n/a
November 24	2.2	-6.7	n/a	n/a
November 25	5.0	-2.2	n/a	n/a
November 26	4.4	0.0	n/a	n/a
November 27	n/a	n/a	n/a	n/a
November 28	8.3	0.0	n/a	n/a
November 29	3.9	-2.2	n/a	n/a
November 30	0.0	-8.9	n/a	n/a

December 1870 Cornwall Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	6.1	-1.1	n/a	n/a
December 2	7.2	1.1	n/a	n/a
December 3	2.8	-3.3	n/a	n/a
December 4	n/a	n/a	n/a	n/a
December 5	3.9	-2.2	n/a	n/a
December 6	2.2	-2.2	n/a	n/a
December 7	1.1	-3.3	n/a	n/a
December 8	1.1	-2.2	n/a	n/a
December 9	0.0	-5.0	n/a	n/a
December 10	-3.3	-8.3	n/a	n/a
December 11	n/a	n/a	n/a	n/a
December 12	1.7	-10.0	n/a	n/a
December 13	3.9	0.6	n/a	n/a
December 14	2.8	-1.7	n/a	n/a
December 15	-1.1	-9.4	n/a	n/a
December 16	-6.1	-11.7	n/a	n/a
December 17	-0.6	-8.3	n/a	n/a
December 18	n/a	n/a	n/a	n/a
December 19	-1.1	-17.2	n/a	n/a
December 20	1.1	-6.1	n/a	n/a
December 21	0.0	-8.9	n/a	n/a
December 22	-3.3	-15.0	n/a	n/a
December 23	-9.4	-21.7	n/a	n/a
December 24	-15.0	-20.6	n/a	n/a
December 25	n/a	n/a	n/a	n/a
December 26	-3.9	-19.4	n/a	n/a
December 27	-2.2	-6.7	n/a	n/a
December 28	-2.8	-18.9	n/a	n/a
December 29	-13.3	-26.7	n/a	n/a
December 30	-9.4	-26.7	n/a	n/a
December 31	2.2	-11.7	n/a	n/a

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Weather Station Details

Years	Station	Coordinates
1950–2024	Cornwall	location
1867–1887	Cornwall	location