Williamsport May Weather

Averages and records for weather in Williamsport, Pennsylvania in the month of May.
Typical Williamsport May Weather
1991–2020
Average daily high 72.7 °F
Average daily low 49.1 °F
Average monthly precipitation 3.9 inches
Average monthly snow none
Daily chance of precipitation 44.1%
Daily chance of snow 0%
Williamsport May Weather Records
1895–2024
Highest temperature 96 °F May 20, 1996
Lowest temperature 28 °F May 14, 1996
Highest daily low 73 °F May 2, 1899
Lowest daily high 44 °F May 1, 1963
Hottest average high temperature 81.2 °F 1944
Coldest average high temperature 63.8 °F 1917
Most daily precipitation 3.5 inches May 21, 1919
Most monthly precipitation 9.9 inches 1919
Most daily snow 0.2 inches May 9, 1977
Most monthly snow 0.2 inches 1977
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 67.7 44.1 90 28
May 2 68.0 44.4 89 30
May 3 68.2 44.7 92 30
May 4 68.4 45.0 93 30
May 5 68.6 45.2 94 28
May 6 68.9 45.4 95 33
May 7 69.3 45.6 94 30
May 8 69.6 46.0 94 29
May 9 70.0 46.4 93 29
May 10 70.4 46.7 90 30
May 11 70.7 47.1 92 29
May 12 71.1 47.5 91 31
May 13 71.5 48.0 90 30
May 14 71.8 48.4 91 28
May 15 72.2 48.7 94 32
May 16 72.5 49.0 90 33
May 17 72.8 49.3 93 31
May 18 73.1 49.6 95 31
May 19 73.4 49.9 96 29
May 20 73.5 50.2 96 34
May 21 73.8 50.5 95 32
May 22 74.0 50.8 95 32
May 23 74.2 51.1 96 35
May 24 74.5 51.3 90 31
May 25 74.8 51.6 92 31
May 26 75.1 51.8 93 35
May 27 75.5 52.2 94 33
May 28 76.0 52.7 94 34
May 29 76.3 53.1 95 35
May 30 76.6 53.5 96 37
May 31 76.9 53.8 94 35
Weather Station Details
Years Station Coordinates
1948–2024 Williamsport location
1895–1947 Williamsport location