Ottawa Weather in 2009

Historical record of Ottawa, Ontario weather for the year 2009 based on NOAA data.

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2009 Ottawa Weather Extremes
Highest temperature	33.3 °C	June 25
Lowest temperature	-31.0 °C	January 16
Highest daily low	20.4 °C	August 16
Lowest daily high	-22.2 °C	January 14
Most daily precipitation	4.9 cm	July 24
Most daily snow	18.2 cm	January 7
Total annual precipitation	94.7 cm	-
Total annual snow	141.1 cm	-

What was the hottest temperature in Ottawa in 2009?

The highest temperature recorded in Ottawa, Ontario in 2009 was 33.3 °C which happened on June 25.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 2009

Rank	Temperature	Date
1	33.3 °C	Jun 25
2	32.8 °C	Aug 17
3	31.1 °C	Aug 16
4	31.0 °C	Jun 24
5	30.9 °C	Aug 15
5	30.9 °C	Apr 27
7	30.3 °C	Aug 14
8	30.0 °C	Jun 23
9	29.4 °C	Aug 13
10	29.1 °C	Aug 10

What was the coldest temperature in Ottawa in 2009?

The lowest temperature recorded in Ottawa, Ontario in 2009 was -31.0 °C which happened on Jan 16.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 2009

Rank	Temperature	Date
1	-31.0 °C	January 16
2	-30.8 °C	January 15
3	-28.5 °C	January 26
4	-27.2 °C	January 14
5	-25.5 °C	January 25
5	-25.5 °C	January 17
7	-25.0 °C	December 18
8	-24.6 °C	January 10
9	-22.5 °C	February 5
9	-22.5 °C	January 24

January 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-12.6	-21.5	0.00	0.0
January 2	-10.7	-19.5	0.56	5.6
January 3	-8.5	-14.7	0.00	0.0
January 4	-5.9	-16.7	0.00	0.0
January 5	-3.1	-11.5	0.07	1.0
January 6	-3.1	-12.8	0.16	2.2
January 7	-7.0	-11.5	1.43	18.2
January 8	-8.7	-11.8	0.00	0.0
January 9	-12.0	-15.7	0.00	0.0
January 10	-9.1	-24.6	0.00	0.0
January 11	-8.5	-17.5	0.00	0.0
January 12	-3.4	-14.7	0.00	0.0
January 13	-0.1	-9.5	0.16	2.5
January 14	-22.2	-27.2	0.00	0.0
January 15	-19.5	-30.8	0.00	0.0
January 16	-19.7	-31.0	0.06	0.6
January 17	-14.4	-25.5	0.36	3.6
January 18	-8.9	-19.0	0.29	7.0
January 19	-8.4	-11.5	0.26	4.0
January 20	-9.6	-19.2	0.00	0.0
January 21	-4.1	-20.8	0.04	1.0
January 22	-1.5	-9.2	0.00	1.0
January 23	-9.5	-13.9	0.00	0.0
January 24	-16.2	-22.5	0.05	0.5
January 25	-12.8	-25.5	0.00	0.0
January 26	-13.2	-28.5	0.00	0.0
January 27	-7.4	-18.7	0.08	1.0
January 28	-6.9	-18.0	1.32	18.0
January 29	-4.3	-15.0	0.03	0.6
January 30	-1.3	-10.7	0.43	9.0
January 31	-13.0	-20.7	0.08	1.0

February 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	0.2	-19.6	0.00	0.0
February 2	-1.1	-15.0	0.00	0.0
February 3	-5.7	-15.9	0.00	0.0
February 4	-10.7	-19.8	0.00	0.0
February 5	-12.6	-22.5	0.00	0.0
February 6	-3.5	-20.0	0.00	0.0
February 7	6.1	-13.5	0.00	0.0
February 8	0.0	-4.6	0.05	1.0
February 9	-2.9	-10.4	0.00	0.0
February 10	1.5	-10.5	0.00	0.0
February 11	7.4	-6.0	2.34	0.0
February 12	4.6	2.5	0.28	0.0
February 13	-7.0	-12.8	0.00	0.0
February 14	-3.5	-13.0	0.00	0.0
February 15	-3.2	-12.0	0.00	0.0
February 16	-1.3	-11.3	0.00	0.0
February 17	0.2	-14.0	0.00	0.0
February 18	0.0	-8.2	0.84	7.0
February 19	1.4	-2.0	0.03	0.5
February 20	-7.0	-14.4	0.09	1.2
February 21	-2.5	-11.0	0.22	2.5
February 22	-0.5	-6.1	0.00	0.0
February 23	-6.6	-11.3	0.00	0.0
February 24	-6.8	-14.4	0.00	0.0
February 25	0.4	-14.5	0.19	2.0
February 26	4.2	-5.5	0.28	0.0
February 27	7.3	-0.8	0.67	0.0
February 28	-9.6	-21.4	0.00	0.0

March 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-5.2	-19.0	0.00	0.0
March 2	-9.5	-16.1	0.00	0.0
March 3	-8.1	-17.9	0.00	0.0
March 4	-1.6	-13.6	0.00	0.0
March 5	-1.0	-15.0	0.15	0.2
March 6	9.5	-4.5	0.00	0.0
March 7	8.4	2.0	0.06	0.0
March 8	3.7	0.4	0.04	0.5
March 9	0.8	-5.5	0.20	2.0
March 10	3.6	-7.4	0.89	0.0
March 11	8.0	0.1	0.00	0.0
March 12	-6.8	-11.6	0.00	0.0
March 13	-2.0	-12.8	0.00	0.0
March 14	5.6	-7.9	0.00	0.0
March 15	9.7	-3.4	0.00	0.0
March 16	3.7	-3.4	0.00	0.0
March 17	10.8	-3.1	0.02	0.0
March 18	13.5	-0.2	0.00	0.0
March 19	2.5	0.2	0.00	0.0
March 20	1.1	-7.1	0.00	0.0
March 21	6.0	-7.5	0.00	0.0
March 22	0.5	-4.1	0.00	0.0
March 23	-1.4	-11.2	0.00	0.0
March 24	4.5	-8.1	0.00	0.0
March 25	10.0	-4.3	0.00	0.0
March 26	6.5	1.5	0.61	0.0
March 27	12.5	1.5	0.00	0.0
March 28	14.0	0.2	0.00	0.0
March 29	6.0	4.5	2.03	0.0
March 30	4.7	2.2	0.07	0.0
March 31	6.7	0.5	0.00	0.0

April 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	7.9	0.9	0.21	0.0
April 2	15.8	1.5	0.11	0.0
April 3	14.3	4.9	1.26	0.0
April 4	5.9	3.0	0.44	0.0
April 5	8.4	0.6	0.00	0.0
April 6	4.7	0.0	1.73	0.0
April 7	-0.5	-2.6	0.14	1.4
April 8	4.0	-2.6	0.00	0.0
April 9	9.3	0.0	0.00	0.0
April 10	7.6	-1.8	0.00	0.0
April 11	6.0	-1.5	0.00	0.0
April 12	4.5	-4.7	0.00	0.0
April 13	10.5	-2.8	0.00	0.0
April 14	13.6	-2.4	0.00	0.0
April 15	14.9	1.5	0.00	0.0
April 16	15.5	0.2	0.00	0.0
April 17	19.8	2.6	0.00	0.0
April 18	12.2	7.0	0.00	0.0
April 19	13.6	-0.3	0.00	0.0
April 20	15.1	2.7	0.80	0.0
April 21	8.2	3.6	0.79	0.0
April 22	11.8	6.1	0.00	0.0
April 23	12.7	5.0	0.00	0.0
April 24	21.1	0.4	0.00	0.0
April 25	26.7	12.8	0.24	0.0
April 26	13.4	6.3	0.00	0.0
April 27	30.9	8.6	0.38	0.0
April 28	16.8	9.1	0.48	0.0
April 29	15.2	2.2	0.00	0.0
April 30	21.5	1.9	1.31	0.0

May 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	21.9	10.2	0.00
May 2	15.0	2.9	0.04
May 3	18.3	3.7	0.00
May 4	18.4	7.3	0.00
May 5	20.4	6.2	0.00
May 6	17.6	11.6	0.45
May 7	18.2	10.6	0.14
May 8	20.0	11.3	0.52
May 9	17.1	7.9	1.32
May 10	9.7	3.3	0.00
May 11	15.3	1.5	0.00
May 12	18.2	2.5	0.00
May 13	20.9	3.0	0.00
May 14	20.4	13.1	0.34
May 15	19.1	7.4	0.00
May 16	20.0	9.5	0.90
May 17	10.6	3.5	0.00
May 18	14.5	2.1	0.00
May 19	18.7	2.4	0.06
May 20	24.8	7.4	0.07
May 21	29.0	10.2	0.00
May 22	19.7	12.9	0.00
May 23	21.9	5.4	0.00
May 24	21.7	12.9	0.00
May 25	15.1	6.1	0.00
May 26	17.1	3.7	0.00
May 27	12.8	9.9	1.32
May 28	16.6	10.4	1.51
May 29	18.4	12.7	1.48
May 30	18.5	9.5	0.00
May 31	11.5	4.7	0.14

June 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	14.4	3.7	0.76
June 2	16.9	7.0	0.00
June 3	21.0	4.5	0.00
June 4	20.4	6.6	0.00
June 5	23.4	6.5	0.00
June 6	23.3	9.3	0.00
June 7	17.2	10.6	0.00
June 8	18.5	6.0	1.00
June 9	14.2	9.9	0.16
June 10	18.3	12.4	0.03
June 11	23.7	12.0	0.00
June 12	25.4	16.1	0.00
June 13	24.5	11.9	0.00
June 14	25.8	9.4	0.00
June 15	23.0	13.1	0.00
June 16	24.7	12.3	0.00
June 17	26.0	13.8	0.00
June 18	18.3	15.5	0.89
June 19	22.6	15.0	0.00
June 20	22.7	12.5	0.10
June 21	25.6	17.3	0.05
June 22	27.4	17.9	0.00
June 23	30.0	15.4	0.00
June 24	31.0	14.4	0.00
June 25	33.3	18.8	0.00
June 26	27.8	19.2	1.14
June 27	26.5	16.8	0.00
June 28	26.6	16.8	0.52
June 29	26.3	17.1	1.12
June 30	23.5	15.1	0.67

July 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	25.5	15.5	0.00
July 2	22.5	15.8	3.16
July 3	20.1	17.2	0.73
July 4	20.3	14.6	0.00
July 5	25.3	11.3	0.00
July 6	23.1	12.0	0.50
July 7	18.8	13.0	0.75
July 8	22.6	13.6	0.60
July 9	24.7	12.0	0.00
July 10	26.9	11.0	0.00
July 11	25.2	18.6	1.08
July 12	22.3	13.5	0.10
July 13	19.2	11.4	0.02
July 14	19.8	12.0	0.00
July 15	24.7	9.0	0.14
July 16	26.5	15.4	0.03
July 17	25.7	14.8	3.04
July 18	24.0	16.0	0.56
July 19	23.9	13.0	0.02
July 20	26.0	13.6	0.00
July 21	25.3	13.3	0.34
July 22	23.5	17.9	0.02
July 23	22.7	16.1	2.68
July 24	20.7	18.1	4.89
July 25	25.2	16.6	0.41
July 26	27.3	16.4	0.60
July 27	25.8	17.3	0.57
July 28	28.6	14.6	0.00
July 29	26.0	18.0	0.32
July 30	25.4	15.6	0.00
July 31	26.5	17.0	0.00

August 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	27.6	15.5	0.74
August 2	24.4	17.9	0.20
August 3	25.2	11.8	0.06
August 4	28.0	19.0	0.94
August 5	23.6	14.7	0.00
August 6	23.0	13.0	0.19
August 7	21.4	12.2	0.00
August 8	23.3	7.3	0.00
August 9	23.8	15.0	0.12
August 10	29.1	18.1	0.00
August 11	27.5	17.6	1.12
August 12	27.6	15.3	0.00
August 13	29.4	15.4	0.00
August 14	30.3	16.0	0.00
August 15	30.9	17.5	0.00
August 16	31.1	20.4	0.04
August 17	32.8	18.9	0.10
August 18	28.5	20.1	0.28
August 19	26.2	18.8	0.00
August 20	23.2	13.0	0.94
August 21	26.3	19.2	0.54
August 22	27.4	17.8	0.00
August 23	25.5	16.8	0.00
August 24	24.2	16.8	0.00
August 25	26.3	10.5	0.00
August 26	21.3	18.0	0.00
August 27	18.9	5.8	0.00
August 28	19.4	8.3	0.84
August 29	16.2	11.3	2.30
August 30	20.5	11.8	0.04
August 31	19.4	9.4	0.00

September 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	22.8	6.0	0.00
September 2	25.3	10.0	0.00
September 3	25.6	11.7	0.00
September 4	26.0	12.3	0.00
September 5	21.8	12.9	0.00
September 6	21.2	10.0	0.00
September 7	25.4	7.3	0.00
September 8	25.8	12.0	0.00
September 9	23.2	10.6	0.00
September 10	23.9	8.8	0.00
September 11	22.7	8.0	0.00
September 12	25.0	7.3	0.00
September 13	22.1	14.3	0.00
September 14	23.7	8.0	1.16
September 15	15.7	10.9	0.00
September 16	15.7	9.5	0.00
September 17	20.0	5.8	0.08
September 18	17.2	10.9	0.00
September 19	17.3	4.0	0.00
September 20	22.5	1.8	0.00
September 21	23.7	2.3	0.04
September 22	24.4	16.2	0.00
September 23	22.5	18.5	0.77
September 24	18.1	10.3	0.00
September 25	15.4	6.9	0.00
September 26	19.4	2.5	1.94
September 27	15.5	11.3	0.05
September 28	17.0	13.8	0.52
September 29	14.8	10.9	0.93
September 30	9.0	4.4	0.07

October 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	7.5	3.0	0.04
October 2	12.2	1.2	1.04
October 3	17.8	8.5	0.46
October 4	15.6	6.1	0.08
October 5	15.7	7.5	0.28
October 6	13.9	6.8	1.54
October 7	16.1	9.0	0.18
October 8	15.4	6.8	0.34
October 9	12.0	9.6	0.92
October 10	12.0	6.2	0.00
October 11	9.8	2.3	0.00
October 12	9.9	-1.9	0.43
October 13	7.5	2.5	0.26
October 14	4.0	-1.1	0.00
October 15	5.3	-5.0	0.00
October 16	7.1	-2.5	0.00
October 17	8.9	-2.0	0.00
October 18	10.4	-3.5	0.00
October 19	13.3	-5.2	0.00
October 20	16.5	6.8	0.00
October 21	9.2	7.1	0.66
October 22	4.5	2.0	0.86
October 23	6.4	-1.3	1.54
October 24	11.4	0.6	0.14
October 25	11.3	5.3	0.00
October 26	5.5	-2.7	0.00
October 27	9.1	3.3	0.00
October 28	8.4	4.7	0.07
October 29	9.3	4.3	0.00
October 30	12.5	5.9	1.31
October 31	15.0	10.5	0.18

November 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	10.5	3.9	0.00	0.0
November 2	11.0	0.0	0.06	0.0
November 3	9.2	4.2	0.00	0.0
November 4	4.0	-2.5	0.00	0.0
November 5	4.4	-1.9	0.51	0.0
November 6	0.7	-0.9	0.00	0.0
November 7	10.5	-4.8	0.00	0.0
November 8	16.0	4.6	0.00	0.0
November 9	18.4	0.9	0.00	0.0
November 10	12.2	2.9	0.00	0.0
November 11	10.1	-1.3	0.00	0.0
November 12	10.3	-5.8	0.00	0.0
November 13	10.4	-2.6	0.00	0.0
November 14	9.5	0.0	0.65	0.0
November 15	12.5	5.9	0.00	0.0
November 16	8.0	1.4	0.00	0.0
November 17	7.0	-1.6	0.00	0.0
November 18	9.5	-6.4	0.00	0.0
November 19	9.1	-2.2	0.98	0.0
November 20	8.5	4.0	0.54	0.0
November 21	9.7	4.7	0.00	0.0
November 22	6.5	5.2	0.00	0.0
November 23	2.9	-1.0	0.00	0.0
November 24	5.7	-0.7	0.07	0.0
November 25	9.4	3.8	0.20	0.0
November 26	9.5	6.0	0.56	0.0
November 27	7.5	2.0	0.07	0.0
November 28	4.7	1.0	0.00	0.0
November 29	6.5	0.0	0.66	1.3
November 30	0.8	-0.5	0.00	0.0

December 2009 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	3.5	-2.9	0.00	0.0
December 2	8.7	-3.6	2.10	0.0
December 3	6.9	1.9	0.08	0.0
December 4	4.7	-0.7	0.00	0.0
December 5	1.7	-4.5	0.00	0.0
December 6	2.2	-4.5	0.00	0.0
December 7	-1.2	-5.5	0.16	1.6
December 8	-2.3	-7.0	0.14	1.4
December 9	1.6	-8.4	1.53	17.4
December 10	-0.5	-4.6	0.00	0.0
December 11	-5.4	-9.7	0.00	0.0
December 12	-3.0	-12.9	0.00	0.0
December 13	-1.3	-13.1	0.19	3.0
December 14	-0.8	-9.1	0.50	5.0
December 15	-1.1	-4.5	0.06	1.0
December 16	-7.6	-14.3	0.00	0.0
December 17	-13.6	-20.3	0.00	0.0
December 18	-10.0	-25.0	0.00	0.0
December 19	-6.5	-21.0	0.00	0.0
December 20	-6.3	-13.5	0.00	0.0
December 21	-7.8	-15.0	0.00	0.0
December 22	-11.0	-19.1	0.16	1.6
December 23	-3.3	-14.2	0.00	0.0
December 24	2.0	-6.8	0.00	0.0
December 25	-1.3	-3.0	0.55	0.0
December 26	0.6	-3.5	1.78	0.0
December 27	1.0	-1.0	0.05	0.5
December 28	-0.5	-3.0	0.15	1.7
December 29	-15.5	-20.1	0.00	0.0
December 30	-7.8	-20.6	0.00	0.0
December 31	-4.2	-11.6	0.94	11.5

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Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location