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Granby May Weather

Averages and records for weather in Granby, Quebec in the month of May.

Typical Granby May Weather 1991–2020
Average daily high	18.6 °C
Average daily low	7.9 °C
Average monthly precipitation	10.2 cm
Average monthly snow	0.7 cm
Daily chance of precipitation	44.8%
Daily chance of snow	0.78%

Granby May Weather Records 1948–2023
Highest temperature	34.5 °C	May 27, 2020
Lowest temperature	-5.0 °C	May 10, 1966
Highest daily low	22.0 °C	May 29, 2020
Lowest daily high	1.1 °C	May 9, 1966
Hottest average high temperature	22.4 °C	1998
Coldest average high temperature	13.9 °C	1967
Most daily precipitation	6.4 cm	May 15, 1960
Most monthly precipitation	20.8 cm	2006
Most daily snow	12.3 cm	May 12, 1996
Most monthly snow	14.8 cm	1996

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

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
May 1	15.3	4.7	28.9	-2.8
May 2	15.5	4.9	28.5	-4.4
May 3	15.7	5.1	29.5	-4.5
May 4	15.9	5.3	28.0	-4.0
May 5	16.1	5.5	26.7	-2.8
May 6	16.3	5.6	26.1	-2.2
May 7	16.5	5.8	28.5	-5.0
May 8	16.8	6.1	29.0	-4.4
May 9	17.1	6.3	30.6	-2.5
May 10	17.3	6.6	30.6	-5.0
May 11	17.6	6.8	28.5	-1.7
May 12	17.8	7.1	26.1	-1.5
May 13	18.0	7.3	27.0	-2.0
May 14	18.2	7.5	30.0	-0.6
May 15	18.5	7.8	28.5	0.0
May 16	18.6	7.9	29.5	-1.0
May 17	18.8	8.1	29.5	-1.0
May 18	18.9	8.3	30.0	-2.0
May 19	19.1	8.4	30.6	0.5
May 20	19.2	8.6	30.6	-0.5
May 21	19.3	8.7	31.5	-1.7
May 22	19.4	8.9	29.0	1.5
May 23	19.5	9.0	31.1	0.5
May 24	19.7	9.2	30.0	0.0
May 25	19.9	9.3	31.0	-0.5
May 26	20.0	9.5	31.5	0.0
May 27	20.2	9.7	34.5	-1.1
May 28	20.4	10.0	30.6	1.0
May 29	20.6	10.2	31.0	1.0
May 30	20.8	10.4	31.1	2.5
May 31	20.9	10.5	31.0	2.0

Weather Station Details

Years	Station	Coordinates
1948–2023	Granby	location