Baltimore May Weather

Averages and records for weather in Baltimore, Maryland in the month of May.
Typical Baltimore May Weather
1991–2020
Average daily high 75.0 °F
Average daily low 53.6 °F
Average monthly precipitation 3.9 inches
Average monthly snow none
Daily chance of precipitation 38.5%
Daily chance of snow 0%
Baltimore May Weather Records
1871–2024
Highest temperature 100 °F May 28, 1941
Lowest temperature 32 °F May 11, 1966
Highest daily low 79 °F May 13, 1881
Lowest daily high 46 °F May 5, 1917
Hottest average high temperature 82.6 °F 1991
Coldest average high temperature 67.0 °F 1882
Most daily precipitation 3.3 inches May 8, 1960
Most monthly precipitation 8.7 inches 1989
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
May 1 70.7 48.6 92 34
May 2 70.9 49.0 90 36
May 3 71.1 49.3 92 34
May 4 71.2 49.6 91 34
May 5 71.4 49.8 92 34
May 6 71.6 50.0 91 40
May 7 71.8 50.2 96 33
May 8 72.1 50.5 93 33
May 9 72.4 50.8 93 34
May 10 72.7 51.1 96 33
May 11 73.1 51.5 94 32
May 12 73.5 51.9 94 35
May 13 73.8 52.4 95 36
May 14 74.2 52.8 95 34
May 15 74.5 53.2 96 41
May 16 74.8 53.5 92 37
May 17 75.1 53.8 93 33
May 18 75.5 54.1 97 35
May 19 75.8 54.4 98 38
May 20 76.0 54.7 95 39
May 21 76.3 54.9 96 34
May 22 76.5 55.2 98 35
May 23 76.8 55.5 98 39
May 24 77.1 55.8 93 41
May 25 77.4 56.1 94 38
May 26 77.8 56.4 94 41
May 27 78.1 56.7 95 43
May 28 78.5 57.2 100 38
May 29 78.9 57.7 99 41
May 30 79.1 58.0 98 38
May 31 79.4 58.4 97 40
Weather Station Details
Years Station Coordinates
1940–2024 Baltimore International Airport location
1871–1939 Baltimore Customs House location