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Ottawa April Weather

Averages and records for weather in Ottawa, Ontario in the month of April.

Typical Ottawa April Weather 1991–2020
Average daily high	11.3 °C
Average daily low	1.3 °C
Average monthly precipitation	8.0 cm
Average monthly snow	7.7 cm
Daily chance of precipitation	41.3%
Daily chance of snow	8.1%

Ottawa April Weather Records 1889–2024
Highest temperature	31.2 °C	April 27, 1990
Lowest temperature	-20.6 °C	April 1, 1923
Highest daily low	17.4 °C	April 17, 2002
Lowest daily high	-6.7 °C	April 3, 1954
Hottest average high temperature	16.1 °C	1915
Coldest average high temperature	5.2 °C	1939
Most daily precipitation	4.8 cm	April 15, 1956
Most monthly precipitation	16.7 cm	2019
Most daily snow	33.0 cm	April 2, 1970
Most monthly snow	43.7 cm	1926

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
April 1	6.9	-2.5	23.4	-20.6
April 2	7.2	-2.1	28.4	-15.6
April 3	7.5	-1.8	28.5	-15.0
April 4	7.8	-1.5	23.5	-16.1
April 5	8.2	-1.2	24.4	-13.9
April 6	8.6	-0.9	21.7	-13.3
April 7	9.0	-0.6	26.5	-15.6
April 8	9.3	-0.2	22.5	-13.3
April 9	9.6	0.1	23.5	-11.1
April 10	10.0	0.3	25.0	-12.2
April 11	10.2	0.5	26.1	-10.0
April 12	10.4	0.7	26.1	-13.9
April 13	10.6	0.8	25.6	-10.6
April 14	10.9	1.0	27.2	-10.0
April 15	11.1	1.2	24.5	-12.2
April 16	11.5	1.4	28.8	-10.0
April 17	11.8	1.6	30.2	-8.3
April 18	12.1	1.9	30.0	-7.8
April 19	12.4	2.1	28.3	-10.0
April 20	12.9	2.4	27.0	-10.6
April 21	13.3	2.7	28.2	-9.4
April 22	13.6	3.0	27.2	-6.3
April 23	14.0	3.2	26.3	-7.8
April 24	14.3	3.5	27.8	-9.4
April 25	14.7	3.7	30.6	-8.3
April 26	15.0	4.1	30.6	-7.2
April 27	15.3	4.3	31.2	-6.1
April 28	15.5	4.5	28.9	-5.6
April 29	15.8	4.7	27.2	-5.0
April 30	16.0	4.9	28.9	-5.0

Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location