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Yellowknife May Weather

Averages and records for weather in Yellowknife, Northwest Territories in the month of May.

Typical Yellowknife May Weather 1991–2020
Average daily high	10.4 °C
Average daily low	0.0 °C
Average monthly precipitation	1.5 cm
Average monthly snow	3.5 cm
Daily chance of precipitation	17.5%
Daily chance of snow	5.2%

Yellowknife May Weather Records 1942–2024
Highest temperature	26.3 °C	May 21, 2015
Lowest temperature	-22.8 °C	May 1, 1959
Highest daily low	13.9 °C	May 25, 1973
Lowest daily high	-9.1 °C	May 3, 2002
Hottest average high temperature	18.1 °C	2023
Coldest average high temperature	3.7 °C	2004
Most daily precipitation	3.4 cm	May 5, 1957
Most monthly precipitation	6.0 cm	1957
Most daily snow	11.2 cm	May 28, 1979
Most monthly snow	21.2 cm	1979

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	5.8	-4.9	18.3	-22.8
May 2	6.1	-4.6	21.1	-20.6
May 3	6.4	-4.2	22.3	-18.3
May 4	6.7	-3.9	20.7	-16.5
May 5	6.9	-3.6	17.6	-18.5
May 6	7.2	-3.2	21.7	-19.4
May 7	7.5	-2.9	18.9	-20.0
May 8	7.9	-2.5	19.4	-16.7
May 9	8.3	-2.2	18.3	-17.2
May 10	8.6	-1.8	17.3	-16.7
May 11	9.0	-1.4	22.8	-13.3
May 12	9.3	-1.1	21.7	-13.9
May 13	9.6	-0.8	25.0	-12.2
May 14	9.9	-0.5	22.9	-10.6
May 15	10.1	-0.2	22.2	-9.1
May 16	10.4	0.0	21.1	-9.5
May 17	10.7	0.3	22.8	-9.6
May 18	11.1	0.7	23.9	-8.9
May 19	11.4	1.0	20.5	-12.6
May 20	11.8	1.4	23.2	-8.0
May 21	12.1	1.7	26.3	-9.8
May 22	12.4	2.0	23.7	-10.5
May 23	12.7	2.3	24.6	-11.0
May 24	13.0	2.6	23.9	-6.1
May 25	13.3	2.9	24.2	-7.2
May 26	13.5	3.2	23.3	-6.7
May 27	13.7	3.4	23.9	-5.8
May 28	14.1	3.7	24.5	-5.0
May 29	14.4	4.1	25.6	-5.6
May 30	14.7	4.4	25.6	-5.0
May 31	14.9	4.7	26.1	-4.4

Weather Station Details

Years	Station	Coordinates
2013–2024	Yellowknife A	location
1942–2013	Yellowknife A	location