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Saint John April Weather

Averages and records for weather in Saint John, New Brunswick in the month of April.

Typical Saint John April Weather 1991–2020
Average daily high	8.8 °C
Average daily low	-1.6 °C
Average monthly precipitation	9.9 cm
Average monthly snow	13.9 cm
Daily chance of precipitation	46.3%
Daily chance of snow	14.8%

Saint John April Weather Records 1871–2024
Highest temperature	23.9 °C	April 28, 1921
Lowest temperature	-17.8 °C	April 6, 2015
Highest daily low	12.8 °C	April 27, 2017
Lowest daily high	-5.0 °C	April 1, 1923
Hottest average high temperature	12.0 °C	2010
Coldest average high temperature	3.7 °C	1874
Most daily precipitation	12.6 cm	April 1, 1962
Most monthly precipitation	24.0 cm	1962
Most daily snow	48.3 cm	April 9, 1894
Most monthly snow	83.3 cm	1946

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	5.7	-4.1	14.2	-16.7
April 2	5.9	-3.9	16.8	-12.2
April 3	6.2	-3.6	13.8	-13.9
April 4	6.4	-3.4	15.6	-16.7
April 5	6.6	-3.2	17.4	-15.4
April 6	6.9	-3.1	16.2	-17.8
April 7	7.1	-2.8	14.0	-10.7
April 8	7.5	-2.6	15.6	-10.0
April 9	7.7	-2.3	17.8	-11.1
April 10	7.9	-2.1	14.4	-11.6
April 11	8.1	-2.0	18.3	-11.1
April 12	8.3	-1.9	17.6	-9.4
April 13	8.4	-1.8	16.7	-10.0
April 14	8.6	-1.7	21.7	-10.1
April 15	8.7	-1.6	18.0	-11.1
April 16	9.0	-1.5	20.3	-11.7
April 17	9.2	-1.4	19.0	-11.0
April 18	9.5	-1.3	21.5	-7.3
April 19	9.8	-1.1	22.2	-7.0
April 20	10.1	-0.9	22.8	-8.9
April 21	10.4	-0.7	21.6	-7.2
April 22	10.6	-0.5	22.7	-8.9
April 23	10.9	-0.3	20.0	-6.4
April 24	11.1	-0.1	20.0	-5.6
April 25	11.3	0.0	19.4	-6.7
April 26	11.5	0.2	19.4	-9.7
April 27	11.7	0.5	23.3	-7.6
April 28	11.9	0.6	23.9	-5.6
April 29	12.1	0.7	22.2	-9.1
April 30	12.3	0.8	19.4	-6.2

Weather Station Details

Years	Station	Coordinates
2012–2024	Saint John	location
1947–2012	Saint John A	location
1871–1946	Saint John	location