Williamsport, Pennsylvania, United States Climate

Weather: 8.71°C/47.68°F, Wind SW at 3.58 km/h, 68% Humidity, 0% Chance of rain

United States
(Photo by Donnie Rosie on Unsplash)

Williamsport Climate Summary

Located at an elevation of 157.89 meters (518.01 feet) above sea level, Williamsport has a Humid continental, no dry season, warm summer climate (Classification: Dfb). The district’s yearly temperature is 10.86ºC (51.55ºF) and it is -1.78% lower than United States’s averages. Williamsport typically receives about 28.92 millimeters (1.14 inches) of precipitation and has 43.82 rainy days (12.01% of the time) annually.

CountryUnited States
CityPennsylvania
Longitude-77.0010786
Latitude41.2411897
Attitude/Elevation157.89m (518.01ft)
Local timeSaturday 19:11
Annual high temperature14.34ºC (57.81ºF)
Annual low temperature4.53ºC (40.15ºF)
Average annual precip.28.92mm (1.14in)
Warmest monthJuly (28.81ºC / 83.86ºF)
Coldest MonthJanuary (-6.42ºC / 20.44ºF)
Wettest MonthJuly (40.45mm / 1.59in)
Driest MonthNovember (22.56mm / 0.89in)
Number of days with rainfall (≥ 1.0 mm)43.82 days (12.01%)
Days with no rain321.18 days (87.99%)
Humidity79.88%

Climate Williamsport: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)19.0(66.2)21.0(69.8)26.0(78.8)30.0(86.0)33.0(91.4)35.0(95.0)33.0(91.4)32.0(89.6)28.0(82.4)18.0(64.4)14.0(57.2)35.0(95.0)
Average high °C (°F)0.56(33.01)3.42(38.16)6.77(44.19)12.29(54.12)20.28(68.5)24.71(76.48)28.81(83.86)26.61(79.9)22.87(73.17)15.87(60.57)7.04(44.67)2.91(37.24)14.34(57.81)
Daily mean °C (°F)-2.13(28.17)0.42(32.76)3.41(38.14)8.78(47.8)16.57(61.83)20.89(69.6)24.65(76.37)22.6(72.68)18.69(65.64)12.06(53.71)3.94(39.09)0.49(32.88)10.86(51.55)
Average low °C (°F)-6.42(20.44)-4.09(24.64)-2.45(27.59)2.14(35.85)8.89(48.0)11.93(53.47)15.87(60.57)14.87(58.77)11.68(53.02)5.88(42.58)-0.8(30.56)-3.15(26.33)4.53(40.15)
Record low °C (°F)-21.0(-5.8)-19.0(-2.2)-15.0(5.0)-6.0(21.2)-3.0(26.6)2.0(35.6)8.0(46.4)9.0(48.2)2.0(35.6)-3.0(26.6)-14.0(6.8)-15.0(5.0)-21.0(-5.8)
Average precipitation mm (inches)23.31(0.92)24.85(0.98)23.15(0.91)31.78(1.25)38.13(1.5)28.95(1.14)40.45(1.59)32.15(1.27)26.12(1.03)29.9(1.18)22.56(0.89)25.72(1.01)28.92(1.14)
Average precipitation days (≥ 1.0 mm)2.643.733.273.454.914.184.364.643.453.642.642.913.65
Average relative humidity (%)76.3179.9374.7475.6981.0678.9979.8482.9682.4482.8180.9982.7879.88
Mean monthly sunshine hours6.987.528.849.1911.6912.8513.110.369.938.786.545.339.26

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Williamsport in recent years.

Williamsport

Williamsport Temperature by Month

July
24.65°C | 76.37°F
August
22.6°C | 72.68°F
June
20.89°C | 69.6°F
September
18.69°C | 65.64°F
May
16.57°C | 61.83°F
October
12.06°C | 53.71°F
April
8.78°C | 47.8°F
November
3.94°C | 39.09°F
March
3.41°C | 38.14°F
December
0.49°C | 32.88°F
February
0.42°C | 32.76°F
January
-2.13°C | 28.17°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature19.0°C (66.2°F)4.82°C (40.68°F)-7.0°C (19.4°F)
Avg Temperature14.0°C (57.2°F)1.64°C (34.95°F)-8.0°C (17.6°F)
Min Temperature7.0°C (44.6°F)-3.29°C (26.08°F)-13.0°C (8.6°F)
Dew PointMaxAverageMin
Dew Point10.0°C (50.0°F)-2.39°C (27.7°F)-14.0°C (6.8°F)
PrecipitationMaxAverageMinSum
Precipitation16.9mm | 0.67in3.89mm | 0.15in0.0mm | 0in109.0mm | 4.29in
Snowdepth13.5mm | 0.53in1.07mm | 0.04in0.0mm | 0in29.900000000000002mm | 1.18in
WindMaxAverageMin
Wind20.0kmh | 12.43mph9.46kmh | 5.88mph4.0kmh | 2.49mph
Gust Wind25.0kmh | 15.53mph14.64kmh | 9.1mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure16.9mb3.89mb0.0mb
Williamsport

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
February° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-02-012 | 35.6-4 | 24.8779 | 5.5929.91 | 10131.9 | 0.07
2018-02-02-8 | 17.6-13 | 8.66120 | 12.4330.21 | 10230.1 | 0.0
2018-02-03-5 | 23.0-14 | 6.85715 | 9.3230.36 | 10280.0 | 0.0
2018-02-04-2 | 28.4-5 | 23.08312 | 7.4630.0 | 101611.7 | 0.46
2018-02-05-7 | 19.4-10 | 14.07813 | 8.0830.15 | 10210.0 | 0.0
2018-02-06-3 | 26.6-8 | 17.6806 | 3.7330.39 | 10290.3 | 0.01
2018-02-07-2 | 28.4-5 | 23.09112 | 7.4630.21 | 102316.9 | 0.67
2018-02-08-6 | 21.2-11 | 12.27911 | 6.8430.42 | 10300.2 | 0.01
2018-02-09-5 | 23.0-8 | 17.69010 | 6.2130.45 | 10312.3 | 0.09
2018-02-102 | 35.6-0 | 32.0954 | 2.4930.18 | 10222.3 | 0.09
2018-02-112 | 35.62 | 35.6995 | 3.1129.94 | 10144.3 | 0.17
2018-02-12-0 | 32.0-4 | 24.87512 | 7.4630.47 | 10320.0 | 0.0
2018-02-13-2 | 28.4-7 | 19.4717 | 4.3530.74 | 10410.0 | 0.0
2018-02-142 | 35.6-0 | 32.0907 | 4.3530.24 | 10243.1 | 0.12
2018-02-159 | 48.26 | 42.8967 | 4.3529.83 | 10104.1 | 0.16
2018-02-165 | 41.02 | 35.68313 | 8.0829.88 | 10129.9 | 0.39
2018-02-17-1 | 30.2-6 | 21.27310 | 6.2130.27 | 10252.9 | 0.11
2018-02-181 | 33.8-4 | 24.8779 | 5.5930.3 | 10260.1 | 0.0
2018-02-193 | 37.40 | 32.09311 | 6.8430.33 | 10274.9 | 0.19
2018-02-2010 | 50.08 | 46.4966 | 3.7330.27 | 10250.2 | 0.01
2018-02-2114 | 57.210 | 50.08710 | 6.2130.33 | 10271.3 | 0.05
2018-02-222 | 35.61 | 33.8878 | 4.9730.62 | 103716.3 | 0.64
2018-02-233 | 37.41 | 33.8959 | 5.5930.42 | 10308.2 | 0.32
2018-02-245 | 41.03 | 37.4955 | 3.1130.21 | 10237.8 | 0.31
2018-02-257 | 44.65 | 41.0939 | 5.5930.0 | 10169.5 | 0.37
2018-02-265 | 41.0-3 | 26.66510 | 6.2130.21 | 10230.0 | 0.0
2018-02-277 | 44.6-4 | 24.8568 | 4.9730.33 | 10270.0 | 0.0
2018-02-288 | 46.41 | 33.8727 | 4.3530.0 | 10160.7 | 0.03

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