Ottawa Weather in 1999

Historical record of Ottawa, Ontario weather for the year 1999 based on NOAA data.

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1999 Ottawa Weather Extremes
Highest temperature	34.7 °C	June 7
Lowest temperature	-28.2 °C	January 14
Highest daily low	24.2 °C	July 5
Lowest daily high	-20.4 °C	January 1
Most daily precipitation	3.3 cm	November 2
Most daily snow	17.0 cm	March 3
Total annual precipitation	83.0 cm	-
Total annual snow	171.7 cm	-

What was the hottest temperature in Ottawa in 1999?

The highest temperature recorded in Ottawa, Ontario in 1999 was 34.7 °C which happened on June 7.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 1999

Rank	Temperature	Date
1	34.7 °C	Jun 7
2	33.8 °C	Jul 16
3	33.6 °C	Jun 27
4	33.5 °C	Aug 28
5	33.3 °C	Sep 4
5	33.3 °C	Jul 17
7	33.1 °C	Sep 3
8	33.0 °C	May 30
9	32.9 °C	Jul 4
10	32.5 °C	Jun 26

What was the coldest temperature in Ottawa in 1999?

The lowest temperature recorded in Ottawa, Ontario in 1999 was -28.2 °C which happened on Jan 14.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 1999

Rank	Temperature	Date
1	-28.2 °C	January 14
2	-25.8 °C	January 5
2	-25.8 °C	January 2
4	-24.8 °C	December 31
5	-24.7 °C	January 12
6	-23.0 °C	January 1
7	-22.7 °C	January 10
8	-22.1 °C	January 31
9	-22.0 °C	January 13
10	-21.4 °C	December 28

January 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-20.4	-23.0	0.00	0.0
January 2	-12.5	-25.8	1.66	16.0
January 3	-3.5	-17.6	0.44	2.0
January 4	-5.7	-9.5	0.02	0.2
January 5	-10.0	-25.8	0.00	0.0
January 6	-4.4	-20.5	0.10	1.5
January 7	-13.5	-21.0	0.00	0.0
January 8	-8.3	-21.0	0.48	7.0
January 9	-7.7	-10.8	0.30	3.3
January 10	-7.5	-22.7	0.10	1.3
January 11	-17.2	-19.8	0.27	3.1
January 12	-12.5	-24.7	0.26	3.0
January 13	-19.4	-22.0	0.00	0.0
January 14	-11.0	-28.2	0.88	8.8
January 15	-8.1	-21.0	0.52	5.2
January 16	4.1	-17.0	0.12	1.2
January 17	5.1	-3.2	0.00	0.0
January 18	2.7	-3.4	2.04	0.0
January 19	3.2	0.7	0.04	0.4
January 20	0.1	-2.5	0.04	0.4
January 21	-2.8	-5.0	0.12	1.2
January 22	0.8	-6.8	1.74	0.0
January 23	8.2	-3.9	0.20	0.0
January 24	7.8	2.1	0.00	0.0
January 25	-4.6	-9.6	0.00	0.0
January 26	0.7	-15.8	0.02	0.2
January 27	-1.9	-8.7	0.18	1.8
January 28	-9.7	-11.3	0.10	1.0
January 29	-7.5	-18.7	0.05	0.5
January 30	-4.4	-14.3	0.04	0.4
January 31	-7.7	-22.1	0.00	0.0

February 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	0.5	-19.0	0.28	1.2
February 2	4.8	-11.6	0.64	0.0
February 3	5.6	-2.0	0.00	0.0
February 4	5.3	-0.2	0.00	0.0
February 5	-6.8	-12.3	0.18	1.8
February 6	-4.9	-12.2	0.03	0.3
February 7	-3.6	-11.4	0.00	0.0
February 8	-3.6	-15.3	0.04	0.4
February 9	4.2	-11.9	0.05	0.5
February 10	1.4	-2.6	0.00	0.0
February 11	-0.5	-9.5	0.00	0.0
February 12	7.6	-4.8	0.35	3.5
February 13	-2.3	-5.8	0.02	0.2
February 14	-7.0	-15.6	0.00	0.0
February 15	-2.2	-13.3	0.00	0.0
February 16	0.2	-6.2	0.14	0.0
February 17	1.5	-4.6	0.46	2.5
February 18	0.6	-2.0	0.04	0.4
February 19	-2.3	-10.9	0.00	0.0
February 20	-1.9	-12.5	0.00	0.0
February 21	-7.6	-12.5	0.00	0.0
February 22	-10.9	-20.2	0.00	0.0
February 23	-6.5	-20.1	0.00	0.0
February 24	-5.8	-20.0	0.00	0.0
February 25	-1.1	-12.4	0.00	0.0
February 26	3.9	-11.5	0.00	0.0
February 27	5.3	-6.8	0.00	0.0
February 28	2.0	-5.8	1.54	8.5

March 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	1.8	-0.5	0.91	6.5
March 2	-0.2	-5.5	0.00	0.0
March 3	1.2	-11.0	2.27	17.0
March 4	-2.1	-5.7	1.31	13.1
March 5	-9.1	-14.7	0.00	0.0
March 6	-11.3	-16.6	0.48	4.8
March 7	-8.2	-18.3	0.00	0.0
March 8	-3.3	-18.7	0.00	0.0
March 9	-2.8	-16.7	0.00	0.0
March 10	-2.4	-13.0	0.00	0.0
March 11	-3.0	-10.9	0.45	4.5
March 12	-4.8	-10.7	0.06	0.6
March 13	3.4	-8.7	0.00	0.0
March 14	3.9	-7.3	0.00	0.0
March 15	2.8	-10.0	0.00	0.0
March 16	4.4	-7.8	0.00	0.0
March 17	9.3	0.1	0.00	0.0
March 18	5.9	-0.3	0.00	0.0
March 19	2.2	-1.3	0.00	0.0
March 20	0.8	-7.1	0.00	0.0
March 21	3.0	-4.6	1.40	14.0
March 22	2.1	0.4	1.66	9.8
March 23	4.2	-3.5	0.00	0.0
March 24	6.1	-3.2	0.00	0.0
March 25	2.1	-7.4	0.00	0.0
March 26	4.7	-6.0	0.00	0.0
March 27	10.6	-7.9	0.00	0.0
March 28	15.2	-4.5	0.00	0.0
March 29	11.4	-0.5	0.00	0.0
March 30	10.7	1.2	0.00	0.0
March 31	10.8	1.0	0.00	0.0

April 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	6.3	0.1	0.00
April 2	5.5	1.0	0.04
April 3	5.6	2.0	0.00
April 4	5.3	-1.7	0.00
April 5	11.0	-2.6	0.00
April 6	15.5	-2.0	0.64
April 7	13.3	5.3	0.80
April 8	12.4	5.2	0.02
April 9	10.5	0.8	0.00
April 10	6.9	-0.8	0.00
April 11	7.7	-2.8	0.00
April 12	10.5	-0.3	0.00
April 13	11.8	0.3	0.00
April 14	13.5	2.6	0.00
April 15	13.0	1.8	0.00
April 16	13.4	1.9	0.51
April 17	9.2	5.1	0.04
April 18	15.9	4.3	0.00
April 19	13.0	5.4	0.00
April 20	15.2	0.5	0.00
April 21	15.4	3.7	0.00
April 22	15.9	3.8	0.00
April 23	9.3	0.2	0.00
April 24	11.5	-7.7	0.00
April 25	18.5	-1.3	0.00
April 26	12.1	5.6	0.00
April 27	14.3	1.4	0.00
April 28	18.3	8.2	0.00
April 29	20.3	5.7	0.00
April 30	21.1	5.6	0.00

May 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	24.5	4.3	0.00
May 2	26.7	6.8	0.00
May 3	27.4	9.3	0.00
May 4	27.9	10.1	0.00
May 5	27.2	13.3	0.00
May 6	27.0	15.0	0.00
May 7	24.3	18.0	0.06
May 8	20.8	15.6	0.93
May 9	18.0	10.2	0.11
May 10	14.3	6.0	0.00
May 11	15.5	2.4	0.00
May 12	15.3	5.5	0.00
May 13	17.8	3.2	0.00
May 14	22.3	4.3	0.00
May 15	24.8	6.0	0.00
May 16	25.4	8.8	0.00
May 17	26.1	10.8	0.00
May 18	27.9	15.3	0.00
May 19	20.3	14.2	0.32
May 20	19.0	5.0	0.00
May 21	22.9	4.9	0.00
May 22	22.6	10.4	0.00
May 23	23.2	11.1	0.00
May 24	18.1	15.1	1.92
May 25	13.7	10.2	0.30
May 26	16.8	7.4	0.00
May 27	20.3	7.7	0.00
May 28	27.3	6.7	0.00
May 29	29.8	12.8	0.00
May 30	33.0	14.8	0.00
May 31	32.0	16.5	0.31

June 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	21.2	17.7	0.58
June 2	26.2	18.6	2.26
June 3	19.2	17.2	0.00
June 4	22.7	11.3	0.00
June 5	24.9	9.5	0.00
June 6	30.1	16.0	0.00
June 7	34.7	22.8	0.04
June 8	27.9	20.7	0.11
June 9	20.3	15.9	0.00
June 10	25.2	12.5	0.00
June 11	29.2	16.8	0.00
June 12	30.9	17.5	0.00
June 13	31.0	14.7	0.00
June 14	27.1	19.8	0.72
June 15	16.6	9.8	0.03
June 16	19.5	6.3	0.00
June 17	21.5	10.6	0.00
June 18	22.0	7.9	0.00
June 19	25.7	9.0	0.00
June 20	28.3	14.4	0.18
June 21	28.3	12.3	0.00
June 22	30.8	12.7	0.00
June 23	30.6	15.3	0.00
June 24	31.8	15.5	0.04
June 25	30.9	20.5	0.08
June 26	32.5	16.5	0.00
June 27	33.6	15.8	0.53
June 28	27.5	21.8	0.02
June 29	29.1	19.8	0.28
June 30	24.3	13.3	0.00

July 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	28.8	14.3	1.04
July 2	27.8	20.1	0.00
July 3	29.2	13.8	0.04
July 4	32.9	21.0	0.15
July 5	31.9	24.2	1.94
July 6	31.1	19.2	0.18
July 7	26.2	18.0	0.73
July 8	24.0	13.3	0.00
July 9	19.2	12.7	1.90
July 10	21.3	13.3	0.00
July 11	25.5	11.6	0.00
July 12	27.6	12.6	0.00
July 13	27.7	12.9	0.00
July 14	29.1	14.3	0.00
July 15	30.4	17.8	0.00
July 16	33.8	18.7	0.00
July 17	33.3	21.0	1.97
July 18	28.8	21.0	0.00
July 19	24.7	18.1	0.10
July 20	25.9	13.2	0.00
July 21	28.2	13.3	0.00
July 22	31.6	16.1	0.79
July 23	30.3	19.5	1.12
July 24	27.8	19.6	1.98
July 25	28.0	18.3	0.28
July 26	27.4	18.0	0.00
July 27	29.2	20.0	0.00
July 28	27.3	17.6	0.00
July 29	30.0	16.5	0.00
July 30	31.8	18.9	0.00
July 31	29.3	20.3	0.11

August 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	27.0	21.5	0.00
August 2	22.8	16.2	0.00
August 3	25.9	13.2	0.23
August 4	22.8	14.2	0.04
August 5	24.5	14.0	0.00
August 6	19.6	10.0	0.42
August 7	23.2	11.0	1.00
August 8	21.6	14.5	0.26
August 9	19.7	10.5	0.00
August 10	22.9	9.0	0.00
August 11	22.6	14.0	0.00
August 12	26.9	13.4	0.00
August 13	n/a	15.9	0.58
August 14	22.4	14.8	0.00
August 15	25.1	12.0	0.00
August 16	24.6	10.6	0.34
August 17	27.8	13.8	0.00
August 18	25.0	17.2	0.00
August 19	26.3	13.4	0.00
August 20	27.1	13.1	0.00
August 21	23.8	15.3	0.66
August 22	27.8	10.3	0.00
August 23	29.0	15.6	0.00
August 24	30.9	12.9	0.00
August 25	30.7	17.2	0.00
August 26	29.0	15.3	0.00
August 27	29.5	16.5	0.00
August 28	33.5	17.8	0.00
August 29	19.7	14.3	0.00
August 30	22.1	10.0	0.00
August 31	26.4	7.8	0.00

September 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	30.7	8.3	0.00
September 2	29.7	13.9	0.00
September 3	33.1	12.5	0.00
September 4	33.3	16.3	0.00
September 5	31.1	18.7	2.24
September 6	26.5	19.9	1.16
September 7	24.0	20.8	1.31
September 8	24.3	19.7	0.80
September 9	27.3	15.9	1.64
September 10	24.9	17.7	0.00
September 11	23.2	11.5	0.00
September 12	23.7	9.3	0.00
September 13	26.1	12.9	1.02
September 14	22.5	14.8	0.10
September 15	23.1	8.8	0.00
September 16	17.9	12.2	0.10
September 17	19.3	12.3	0.00
September 18	22.1	8.2	0.00
September 19	24.1	8.6	0.00
September 20	23.5	12.9	2.89
September 21	14.3	6.2	0.00
September 22	11.3	6.5	0.00
September 23	21.0	3.8	0.07
September 24	14.2	10.8	0.18
September 25	15.6	6.1	0.00
September 26	19.2	3.8	0.00
September 27	23.2	8.2	0.00
September 28	27.2	13.8	0.00
September 29	23.1	17.8	1.98
September 30	12.0	9.8	0.16

October 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	17.1	8.2	0.10
October 2	14.7	4.8	1.00
October 3	11.3	5.9	0.26
October 4	9.5	4.2	0.06
October 5	11.5	0.5	0.16
October 6	7.2	3.9	0.00
October 7	8.2	-1.3	0.00
October 8	16.1	1.2	0.13
October 9	18.5	12.0	0.00
October 10	16.1	4.5	0.22
October 11	15.1	7.3	0.00
October 12	13.5	2.0	0.39
October 13	18.0	8.0	2.50
October 14	7.9	2.8	0.04
October 15	13.2	-0.2	0.00
October 16	20.5	5.7	0.10
October 17	12.8	11.0	0.13
October 18	7.8	5.0	0.00
October 19	7.5	-2.2	0.08
October 20	14.9	2.0	0.04
October 21	13.3	0.7	0.02
October 22	12.1	6.5	0.12
October 23	7.6	4.0	0.54
October 24	6.1	3.4	0.00
October 25	8.1	-2.3	0.00
October 26	12.5	0.4	0.16
October 27	7.8	2.5	0.00
October 28	11.4	-3.2	0.00
October 29	14.6	0.8	0.00
October 30	16.2	4.2	0.09
October 31	19.4	6.9	0.02

November 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	17.9	1.6	0.00	0.0
November 2	17.7	7.9	3.32	0.0
November 3	6.8	4.6	0.21	0.0
November 4	8.4	2.0	0.00	0.0
November 5	13.9	-0.5	0.00	0.0
November 6	8.4	1.3	0.00	0.0
November 7	4.6	-0.5	0.00	0.0
November 8	3.2	-1.7	0.00	0.0
November 9	17.7	0.8	0.00	0.0
November 10	8.2	6.3	0.00	0.0
November 11	2.8	-4.3	0.00	0.0
November 12	6.0	-4.6	0.39	0.0
November 13	11.0	0.4	0.15	0.0
November 14	11.8	5.3	0.00	0.0
November 15	3.0	0.5	0.00	0.0
November 16	1.7	-1.1	0.00	0.0
November 17	1.3	-2.7	0.00	0.0
November 18	3.3	-2.7	0.00	0.0
November 19	14.2	0.8	0.00	0.0
November 20	11.2	3.2	0.12	0.0
November 21	9.2	3.7	0.02	0.0
November 22	15.2	2.3	0.00	0.0
November 23	14.7	7.2	0.02	0.0
November 24	16.9	9.5	0.04	0.0
November 25	7.7	2.4	0.64	0.0
November 26	10.9	1.1	2.46	0.0
November 27	7.9	3.0	0.28	0.0
November 28	5.2	1.4	0.00	0.0
November 29	0.9	-1.1	0.12	1.2
November 30	-0.9	-5.1	0.00	0.0

December 1999 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	-0.5	-9.5	0.00	0.0
December 2	0.3	-7.7	0.00	0.0
December 3	3.4	-1.2	1.65	0.0
December 4	5.7	1.4	0.07	0.0
December 5	14.5	2.8	0.51	0.0
December 6	4.9	2.8	0.46	0.0
December 7	0.3	-1.5	0.00	0.0
December 8	1.0	-2.5	0.00	0.0
December 9	5.8	-0.5	0.07	0.0
December 10	4.2	-0.5	1.46	1.0
December 11	-0.8	-4.0	0.00	0.0
December 12	-1.1	-4.4	0.00	0.0
December 13	1.9	-3.2	0.06	1.0
December 14	1.2	-0.8	0.52	6.0
December 15	4.0	-2.0	0.24	0.0
December 16	4.5	0.8	0.00	0.0
December 17	0.3	-2.8	0.00	0.0
December 18	-6.8	-12.5	0.00	0.0
December 19	-3.1	-13.3	0.00	0.0
December 20	6.0	-8.2	0.44	0.0
December 21	-0.9	-3.1	0.00	0.0
December 22	-1.7	-9.5	0.00	0.0
December 23	-4.6	-10.1	0.00	0.0
December 24	-10.1	-14.8	0.00	0.0
December 25	-1.2	-17.3	0.00	0.0
December 26	1.1	-8.4	0.20	2.0
December 27	-11.5	-14.8	0.00	0.0
December 28	-5.7	-21.4	0.39	4.0
December 29	3.1	-18.2	0.58	7.4
December 30	-5.3	-12.3	0.00	0.0
December 31	-9.2	-24.8	0.06	1.0

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Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location