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Duluth May Weather

Averages and records for weather in Duluth, Minnesota in the month of May.

Typical Duluth May Weather 1991–2020
Average daily high	62.1 °F
Average daily low	41.0 °F
Average monthly precipitation	3.4 inches
Average monthly snow	0.8 inches
Daily chance of precipitation	41.0%
Daily chance of snow	1.8%

Duluth May Weather Records 1948–2024
Highest temperature	92 °F	May 26, 2018
Lowest temperature	17 °F	May 3, 1967
Highest daily low	67 °F	May 22, 2021
Lowest daily high	27 °F	May 3, 1954
Hottest average high temperature	71.1 °F	2018
Coldest average high temperature	53.0 °F	1954
Most daily precipitation	3.9 inches	May 23, 2010
Most monthly precipitation	7.7 inches	1962
Most daily snow	8.3 inches	May 8, 2019
Most monthly snow	13.3 inches	2019

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	55.5	35.5	86	19
May 2	56.0	35.8	79	21
May 3	56.3	36.1	85	17
May 4	56.9	36.4	86	23
May 5	57.3	36.8	82	19
May 6	57.9	37.1	92	20
May 7	58.4	37.5	85	26
May 8	58.6	37.9	86	22
May 9	59.0	38.3	82	20
May 10	59.4	38.7	86	23
May 11	59.8	39.1	83	23
May 12	60.3	39.5	83	26
May 13	60.7	39.9	86	22
May 14	61.2	40.3	83	28
May 15	61.7	40.7	83	26
May 16	62.1	41.1	88	24
May 17	62.5	41.4	87	26
May 18	62.8	41.7	87	28
May 19	63.1	42.0	85	28
May 20	63.4	42.3	88	26
May 21	63.7	42.6	88	28
May 22	63.9	42.8	90	31
May 23	64.3	43.1	84	30
May 24	64.6	43.4	84	31
May 25	65.0	43.7	89	30
May 26	65.4	44.0	92	28
May 27	65.8	44.3	88	31
May 28	66.2	44.6	90	30
May 29	66.5	44.9	87	29
May 30	66.8	45.2	90	29
May 31	67.1	45.5	87	32

Weather Station Details

Years	Station	Coordinates
1948–2024	Duluth	location