Ottawa Weather in 2015

Historical record of Ottawa, Ontario weather for the year 2015 based on NOAA data.

Jump to Month:

Year:

2015 Ottawa Weather Extremes
Highest temperature	33.9 °C	July 29
Lowest temperature	-28.0 °C	January 8
Highest daily low	22.5 °C	August 20
Lowest daily high	-18.7 °C	February 15
Most daily precipitation	4.0 cm	September 12
Most daily snow	15.0 cm	January 3
Total annual precipitation	78.5 cm	-
Total annual snow	154.7 cm	-

What was the hottest temperature in Ottawa in 2015?

The highest temperature recorded in Ottawa, Ontario in 2015 was 33.9 °C which happened on July 29.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 2015

Rank	Temperature	Date
1	33.9 °C	Jul 29
2	33.0 °C	Sep 7
3	32.8 °C	Jul 28
4	31.8 °C	Aug 17
5	31.7 °C	Jul 27
6	31.5 °C	Aug 18
7	31.4 °C	Jul 19
8	30.8 °C	Aug 16
9	30.6 °C	Jul 11
10	30.5 °C	Sep 6

What was the coldest temperature in Ottawa in 2015?

The lowest temperature recorded in Ottawa, Ontario in 2015 was -28.0 °C which happened on Jan 8.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 2015

Rank	Temperature	Date
1	-28.0 °C	January 8
2	-27.7 °C	February 24
3	-26.7 °C	February 17
4	-26.6 °C	February 13
5	-26.5 °C	February 16
6	-26.2 °C	January 14
7	-26.1 °C	February 3
8	-25.7 °C	February 26
9	-25.4 °C	February 6
10	-25.0 °C	January 17

January 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-2.5	-7.5	0.00	0.5
January 2	-7.3	-10.7	0.00	0.0
January 3	-3.5	-14.0	2.17	15.0
January 4	-0.2	-13.0	0.12	0.6
January 5	-16.0	-18.0	0.00	0.0
January 6	-9.5	-21.4	0.27	3.0
January 7	-17.7	-22.0	0.02	0.3
January 8	-8.5	-28.0	0.32	5.0
January 9	-6.1	-18.2	0.02	0.6
January 10	-9.0	-18.0	0.00	0.0
January 11	-3.0	-14.0	0.28	3.0
January 12	-2.0	-6.0	0.05	0.5
January 13	-16.4	-24.0	0.00	0.0
January 14	-11.8	-26.2	0.00	0.0
January 15	-2.5	-22.9	0.13	1.6
January 16	-12.0	-13.8	0.00	0.0
January 17	-10.0	-25.0	0.00	0.0
January 18	0.6	-18.6	0.17	1.5
January 19	-4.2	-8.6	0.00	0.0
January 20	-14.5	-20.8	0.00	0.0
January 21	-8.9	-22.5	0.00	0.0
January 22	-7.4	-20.8	0.00	0.0
January 23	0.0	-15.5	0.02	0.5
January 24	-1.5	-3.0	0.04	0.6
January 25	-11.7	-16.5	0.00	0.0
January 26	-12.9	-23.9	0.00	0.0
January 27	-9.0	-18.6	0.00	0.0
January 28	-7.6	-17.8	0.00	0.0
January 29	-5.0	-20.0	1.15	13.0
January 30	-10.0	-12.9	0.00	0.0
January 31	-13.2	-24.5	0.00	0.0

February 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-17.0	-20.4	0.08	1.3
February 2	-14.3	-20.4	0.15	3.0
February 3	-7.8	-26.1	0.06	1.5
February 4	-4.5	-11.7	0.40	12.0
February 5	-14.4	-19.7	0.05	1.3
February 6	-7.8	-25.4	0.04	0.9
February 7	-11.5	-15.0	0.20	2.5
February 8	-12.7	-17.0	0.19	2.5
February 9	-10.3	-14.9	0.00	0.0
February 10	-4.5	-12.3	0.00	0.0
February 11	-10.4	-16.0	0.46	10.0
February 12	-9.0	-13.5	0.00	0.0
February 13	-18.7	-26.6	0.28	3.2
February 14	-12.0	-24.0	0.10	1.5
February 15	-18.7	-24.5	0.00	0.0
February 16	-16.4	-26.5	0.00	0.0
February 17	-12.0	-26.7	0.00	0.0
February 18	-7.6	-22.0	0.08	1.0
February 19	-16.9	-19.0	0.00	0.0
February 20	-14.0	-22.3	0.03	0.3
February 21	-10.5	-20.0	1.20	12.0
February 22	-3.3	-12.0	0.00	0.0
February 23	-18.2	-23.4	0.00	0.0
February 24	-8.3	-27.7	0.06	1.0
February 25	-8.0	-13.6	0.00	0.0
February 26	-10.8	-25.7	0.00	0.0
February 27	-7.0	-24.3	0.00	0.0
February 28	-5.0	-21.0	0.00	0.0

March 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-3.1	-19.0	0.00	0.0
March 2	-2.8	-9.0	0.00	0.0
March 3	-1.7	-20.6	0.51	5.1
March 4	2.3	-8.4	0.00	0.0
March 5	-10.5	-15.4	0.00	0.0
March 6	-7.0	-23.1	0.00	0.0
March 7	-1.1	-12.0	0.00	0.0
March 8	0.8	-8.0	0.08	2.5
March 9	5.0	-6.1	0.00	0.0
March 10	7.6	-3.9	0.00	0.0
March 11	8.0	2.5	0.00	0.0
March 12	-2.6	-7.4	0.00	0.0
March 13	-3.0	-10.9	0.03	0.5
March 14	-0.2	-5.0	0.76	7.6
March 15	2.0	-2.0	0.00	0.0
March 16	5.0	-8.8	0.20	0.0
March 17	0.6	-3.7	0.00	0.0
March 18	-3.6	-11.6	0.00	0.0
March 19	-0.9	-14.7	0.00	0.0
March 20	4.2	-8.9	0.18	2.0
March 21	1.9	0.0	0.52	0.0
March 22	-8.0	-15.6	0.00	0.0
March 23	-8.8	-17.3	0.00	0.0
March 24	1.3	-15.0	0.00	0.0
March 25	4.3	-11.0	0.02	0.0
March 26	4.3	1.4	0.08	1.0
March 27	-4.0	-5.5	0.00	0.0
March 28	-1.8	-13.0	0.00	0.0
March 29	2.8	-11.0	0.00	0.0
March 30	4.8	-0.6	0.07	0.0
March 31	2.5	-5.7	0.00	0.0

April 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	2.8	-7.3	0.08	1.0
April 2	12.3	-3.6	0.26	0.0
April 3	14.5	3.0	0.25	2.5
April 4	1.5	-4.0	0.00	0.0
April 5	1.5	-5.0	0.00	0.0
April 6	2.5	-5.0	0.00	0.0
April 7	7.3	-1.7	0.00	0.0
April 8	3.7	-2.6	0.03	0.5
April 9	5.8	-0.7	1.84	0.0
April 10	12.9	2.3	0.43	0.0
April 11	9.8	1.4	0.00	0.0
April 12	18.3	0.1	0.00	0.0
April 13	22.3	0.2	0.44	0.0
April 14	16.8	4.8	0.00	0.0
April 15	13.2	3.4	0.00	0.0
April 16	18.8	-1.7	0.00	0.0
April 17	20.6	9.8	0.00	0.0
April 18	16.0	4.8	0.00	0.0
April 19	13.0	1.1	0.40	0.0
April 20	9.6	4.3	2.10	0.0
April 21	12.0	6.5	0.26	0.0
April 22	9.8	2.5	0.06	0.0
April 23	7.2	0.4	0.00	0.0
April 24	4.4	0.1	0.00	0.0
April 25	11.5	-1.5	0.00	0.0
April 26	12.9	1.0	0.00	0.0
April 27	15.2	3.5	0.00	0.0
April 28	20.8	4.9	0.00	0.0
April 29	21.6	5.9	0.00	0.0
April 30	18.2	6.2	0.00	0.0

May 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	20.7	7.6	0.00
May 2	23.7	5.0	0.00
May 3	25.7	10.0	0.00
May 4	27.9	10.6	0.28
May 5	20.0	8.9	0.00
May 6	24.0	4.4	0.00
May 7	27.1	8.3	0.00
May 8	29.9	11.7	0.00
May 9	28.8	16.0	0.08
May 10	20.1	13.8	0.83
May 11	14.2	8.9	0.39
May 12	22.0	7.5	0.19
May 13	16.5	6.3	0.00
May 14	19.0	3.5	0.00
May 15	20.7	4.2	0.00
May 16	21.2	13.8	0.00
May 17	24.6	10.0	0.00
May 18	29.6	10.5	0.16
May 19	25.8	17.9	0.00
May 20	15.3	3.7	0.00
May 21	20.5	7.4	0.00
May 22	11.3	5.7	0.00
May 23	17.5	0.5	0.00
May 24	28.1	9.0	0.00
May 25	23.4	14.3	3.03
May 26	29.3	15.5	0.00
May 27	27.9	19.5	0.02
May 28	23.0	16.4	0.14
May 29	26.2	8.9	0.00
May 30	29.5	17.5	1.38
May 31	14.0	7.5	0.00

June 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
June 1	n/a	n/a	n/a	n/a
June 2	n/a	n/a	n/a	n/a
June 3	20.9	5.5	0.00	0.0
June 4	25.6	8.4	0.00	0.0
June 5	22.6	17.4	0.08	0.0
June 6	19.4	8.5	0.00	0.0
June 7	23.8	4.5	2.02	0.0
June 8	22.4	16.0	0.80	0.0
June 9	20.0	15.3	0.36	0.0
June 10	23.3	12.0	0.98	0.0
June 11	24.1	14.0	0.04	0.0
June 12	19.1	16.5	1.59	0.0
June 13	25.6	12.3	0.00	0.0
June 14	22.6	13.9	0.06	0.0
June 15	26.8	15.4	1.82	0.0
June 16	25.6	18.8	0.09	0.0
June 17	22.3	8.6	0.00	0.0
June 18	27.2	13.1	1.08	0.0
June 19	20.1	9.9	0.00	0.0
June 20	25.0	8.3	0.00	0.0
June 21	26.6	18.0	0.11	0.0
June 22	26.9	16.1	0.12	0.0
June 23	27.8	17.8	0.00	0.0
June 24	24.8	12.5	0.00	0.0
June 25	22.3	12.0	0.00	0.0
June 26	25.4	10.0	0.00	0.0
June 27	22.4	12.5	0.04	0.0
June 28	15.6	14.0	0.96	0.0
June 29	22.8	12.5	0.31	0.0
June 30	24.2	12.9	0.30	0.0

July 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	22.7	16.7	1.66
July 2	21.8	11.5	0.00
July 3	24.7	11.0	0.00
July 4	24.9	10.9	0.00
July 5	26.3	15.0	0.00
July 6	28.3	15.1	0.00
July 7	29.6	20.0	0.83
July 8	24.5	12.9	0.00
July 9	22.7	13.7	0.00
July 10	27.4	14.7	0.00
July 11	30.6	16.3	0.00
July 12	30.2	20.6	0.00
July 13	29.9	17.4	0.00
July 14	26.2	19.6	0.53
July 15	20.7	11.0	0.00
July 16	23.8	9.4	0.00
July 17	22.6	10.1	1.35
July 18	28.0	16.0	0.00
July 19	31.4	21.2	0.00
July 20	28.8	18.7	0.12
July 21	26.3	19.2	0.05
July 22	23.1	15.0	0.00
July 23	25.4	16.9	0.00
July 24	26.2	14.2	0.00
July 25	26.1	15.0	0.70
July 26	29.1	19.2	0.00
July 27	31.7	18.1	0.13
July 28	32.8	17.2	0.00
July 29	33.9	19.8	0.82
July 30	30.3	21.1	0.00
July 31	27.7	19.1	0.12

August 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	26.5	14.2	0.00
August 2	28.1	12.5	0.64
August 3	24.6	17.6	0.04
August 4	24.8	14.8	0.12
August 5	23.5	13.6	0.00
August 6	23.5	14.0	0.00
August 7	23.4	12.0	0.00
August 8	24.3	11.5	0.00
August 9	26.9	12.0	0.00
August 10	28.3	10.8	3.73
August 11	24.6	18.3	0.36
August 12	21.3	17.0	0.00
August 13	25.9	13.2	0.13
August 14	26.4	16.7	0.06
August 15	28.2	18.9	0.00
August 16	30.8	17.1	0.00
August 17	31.8	18.7	0.00
August 18	31.5	19.5	0.03
August 19	29.5	19.0	0.00
August 20	28.3	22.5	2.10
August 21	24.8	16.2	0.00
August 22	25.8	13.2	0.00
August 23	26.8	12.2	0.00
August 24	24.7	15.5	0.20
August 25	21.7	13.1	0.00
August 26	22.3	12.9	0.11
August 27	22.3	13.7	0.00
August 28	22.0	8.1	0.00
August 29	23.3	11.5	0.13
August 30	25.9	14.5	0.00
August 31	25.3	16.9	0.00

September 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	28.7	12.8	0.00
September 2	27.9	16.4	0.60
September 3	28.8	17.8	0.02
September 4	26.0	13.4	0.00
September 5	28.5	12.5	0.00
September 6	30.5	16.0	0.00
September 7	33.0	19.0	1.04
September 8	27.5	19.4	0.00
September 9	24.6	21.5	0.04
September 10	24.0	11.8	0.00
September 11	25.3	11.2	0.37
September 12	15.5	12.0	3.98
September 13	19.3	12.7	1.67
September 14	23.2	13.4	0.00
September 15	27.4	11.7	0.00
September 16	29.6	13.2	0.00
September 17	28.2	14.8	0.00
September 18	28.7	15.3	0.00
September 19	24.5	18.0	0.25
September 20	18.2	10.3	0.00
September 21	20.4	5.2	0.00
September 22	22.4	7.5	0.00
September 23	23.4	8.8	0.00
September 24	20.8	12.5	0.00
September 25	16.6	10.6	0.00
September 26	19.0	3.0	0.00
September 27	23.8	5.1	0.00
September 28	21.1	12.2	0.51
September 29	22.1	17.5	1.18
September 30	15.0	10.4	0.00

October 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	14.6	3.7	0.00
October 2	12.5	3.7	0.00
October 3	13.7	4.2	0.00
October 4	15.2	5.5	0.00
October 5	15.8	8.8	0.00
October 6	15.2	11.0	0.00
October 7	18.4	9.0	0.00
October 8	13.1	1.5	1.02
October 9	9.4	4.9	0.25
October 10	12.5	1.5	0.00
October 11	19.5	7.2	0.00
October 12	23.6	8.0	0.27
October 13	17.8	11.3	0.04
October 14	9.8	6.4	0.00
October 15	15.4	0.5	0.72
October 16	10.6	6.3	0.60
October 17	6.5	1.8	0.00
October 18	2.5	-3.5	0.00
October 19	12.2	-6.8	0.08
October 20	17.0	3.8	0.00
October 21	11.2	2.7	0.42
October 22	16.1	4.0	0.00
October 23	8.4	1.0	0.00
October 24	12.9	-2.0	1.29
October 25	10.4	6.5	0.00
October 26	7.8	-2.0	0.00
October 27	12.2	-3.6	0.00
October 28	13.4	0.5	3.24
October 29	13.3	5.4	0.16
October 30	7.9	2.4	0.00
October 31	6.7	-4.5	0.31

November 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	13.4	4.5	0.00	0.0
November 2	12.1	7.8	0.03	0.0
November 3	14.9	3.5	0.00	0.0
November 4	16.2	0.5	0.00	0.0
November 5	21.4	4.2	0.00	0.0
November 6	19.6	12.9	0.05	0.0
November 7	10.9	4.5	0.00	0.0
November 8	7.8	-2.0	0.00	0.0
November 9	12.5	-0.2	0.00	0.0
November 10	10.8	-3.7	0.00	0.0
November 11	10.8	7.8	0.20	0.0
November 12	11.3	7.2	1.25	0.0
November 13	8.8	6.0	0.51	0.0
November 14	3.4	-1.4	0.00	0.0
November 15	7.6	-1.3	0.00	0.0
November 16	7.4	3.0	0.00	0.0
November 17	5.3	-4.0	0.00	0.0
November 18	14.5	-2.2	0.00	0.0
November 19	16.4	6.0	0.62	0.0
November 20	8.0	2.0	0.00	0.0
November 21	7.1	-2.5	0.00	0.0
November 22	4.7	2.5	0.00	0.0
November 23	0.6	-8.0	0.06	1.0
November 24	-1.9	-4.8	0.00	0.0
November 25	4.5	-8.0	0.00	0.0
November 26	13.7	-1.2	0.00	0.0
November 27	13.0	8.1	0.58	0.0
November 28	-1.3	-4.0	0.00	0.0
November 29	0.0	-7.0	0.00	0.0
November 30	-1.2	-6.2	0.00	0.0

December 2015 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	1.5	-7.0	0.80	0.0
December 2	3.3	-1.0	0.00	0.0
December 3	4.6	0.0	0.00	0.0
December 4	6.5	0.3	0.00	0.0
December 5	8.3	3.9	0.00	0.0
December 6	9.3	1.5	0.00	0.0
December 7	6.2	-1.4	0.00	0.0
December 8	3.8	-1.0	0.00	0.0
December 9	9.4	0.9	0.02	0.0
December 10	11.0	1.8	0.00	0.0
December 11	13.7	5.1	0.30	0.0
December 12	6.7	4.3	0.00	0.0
December 13	3.2	0.5	0.30	0.0
December 14	8.7	0.2	1.08	0.0
December 15	9.5	2.5	0.00	0.0
December 16	2.1	-0.8	0.32	0.0
December 17	6.3	-0.5	0.00	0.0
December 18	3.6	1.5	0.06	0.6
December 19	-0.4	-3.5	0.00	0.0
December 20	-0.2	-6.8	0.00	0.0
December 21	4.3	-3.3	1.48	0.0
December 22	4.0	0.7	0.16	0.0
December 23	9.3	2.1	0.55	0.0
December 24	17.1	4.2	0.00	0.0
December 25	8.3	3.5	0.00	0.0
December 26	4.7	-2.6	1.26	1.6
December 27	0.3	-0.8	0.00	0.0
December 28	-0.6	-11.7	1.25	12.5
December 29	-6.7	-11.9	1.24	12.0
December 30	-4.4	-11.3	0.18	2.2
December 31	-1.3	-6.9	0.21	2.4

Next Year >

Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location