West Chester, Pennsylvania, United States Climate

Weather: 7.52°C/45.54°F, Wind SW at 1.54 km/h, 70% Humidity, 0% Chance of rain

United States
(Photo by Joshua Case on Unsplash)
Contents

West Chester Climate Summary

Located at an elevation of None meters (0 feet) above sea level, West Chester has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.24ºC (57.63ºF) and it is 1.6% higher than United States’s averages. West Chester typically receives about 30.63 millimeters (1.21 inches) of precipitation and has 41.08 rainy days (11.25% of the time) annually.

CountryUnited States
CityPennsylvania
Longitude-75.6054882
Latitude39.9606643
Attitude/ElevationNonem (0ft)
Local timeSaturday 05:31
Annual high temperature16.97ºC (62.55ºF)
Annual low temperature9.8ºC (49.64ºF)
Average annual precip.30.63mm (1.21in)
Warmest monthJuly (30.9ºC / 87.62ºF)
Coldest MonthJanuary (-2.49ºC / 27.52ºF)
Wettest MonthAugust (55.84mm / 2.2in)
Driest MonthJanuary (17.01mm / 0.67in)
Number of days with rainfall (≥ 1.0 mm)41.08 days (11.25%)
Days with no rain323.92 days (88.75%)
Humidity68.37%

Climate West Chester: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)17.0(62.6)24.0(75.2)22.0(71.6)27.0(80.6)31.0(87.8)36.0(96.8)38.0(100.4)35.0(95.0)36.0(96.8)31.0(87.8)24.0(75.2)15.0(59.0)38.0(100.4)
Average high °C (°F)3.41(38.14)6.75(44.15)9.18(48.52)15.11(59.2)22.09(71.76)26.92(80.46)30.9(87.62)28.97(84.15)25.47(77.85)18.62(65.52)10.44(50.79)5.78(42.4)16.97(62.55)
Daily mean °C (°F)1.16(34.09)4.15(39.47)6.25(43.25)12.04(53.67)19.04(66.27)23.9(75.02)27.99(82.38)26.24(79.23)22.56(72.61)15.89(60.6)7.89(46.2)3.82(38.88)14.24(57.63)
Average low °C (°F)-2.49(27.52)-0.05(31.91)1.77(35.19)7.07(44.73)13.67(56.61)18.63(65.53)22.72(72.9)21.76(71.17)18.2(64.76)11.62(52.92)4.28(39.7)0.42(32.76)9.8(49.64)
Record low °C (°F)-15.0(5.0)-14.0(6.8)-11.0(12.2)-2.0(28.4)2.0(35.6)11.0(51.8)17.0(62.6)16.0(60.8)9.0(48.2)1.0(33.8)-6.0(21.2)-8.0(17.6)-15.0(5.0)
Average precipitation mm (inches)17.01(0.67)25.6(1.01)25.39(1.0)19.9(0.78)32.93(1.3)38.65(1.52)38.57(1.52)55.84(2.2)33.71(1.33)26.07(1.03)21.47(0.85)32.37(1.27)30.63(1.21)
Average precipitation days (≥ 1.0 mm)2.183.092.912.914.274.364.365.364.02.912.182.553.42
Average relative humidity (%)68.4269.8866.663.8768.8366.1765.7169.6270.0970.7667.3173.2268.37
Mean monthly sunshine hours7.448.469.339.3912.2513.2713.5910.449.849.247.236.329.73

Climate Graph

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

West Chester

West Chester Temperature by Month

July
27.99°C | 82.38°F
August
26.24°C | 79.23°F
June
23.9°C | 75.02°F
September
22.56°C | 72.61°F
May
19.04°C | 66.27°F
October
15.89°C | 60.6°F
April
12.04°C | 53.67°F
November
7.89°C | 46.2°F
March
6.25°C | 43.25°F
February
4.15°C | 39.47°F
December
3.82°C | 38.88°F
January
1.16°C | 34.09°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature25.0°C (77.0°F)18.33°C (64.99°F)8.0°C (46.4°F)
Avg Temperature21.0°C (69.8°F)14.97°C (58.95°F)5.0°C (41.0°F)
Min Temperature17.0°C (62.6°F)9.6°C (49.28°F)-2.0°C (28.4°F)
Dew PointMaxAverageMin
Dew Point16.0°C (60.8°F)6.23°C (43.21°F)-11.0°C (12.2°F)
PrecipitationMaxAverageMinSum
Precipitation18.6mm | 0.73in2.48mm | 0.1in0.0mm | 0in74.5mm | 2.93in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind31.0kmh | 19.26mph15.03kmh | 9.34mph6.0kmh | 3.73mph
Gust Wind43.0kmh | 26.72mph21.47kmh | 13.34mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure18.6mb2.48mb0.0mb
West Chester

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-04-015 | 41.0-11 | 12.23620 | 12.4330.27 | 10250.0 | 0.0
2019-04-027 | 44.6-4 | 24.8518 | 4.9730.3 | 10261.2 | 0.05
2019-04-0312 | 53.60 | 32.05618 | 11.1830.12 | 10200.6 | 0.02
2019-04-0413 | 55.4-1 | 30.24310 | 6.2130.39 | 10290.0 | 0.0
2019-04-056 | 42.8-2 | 28.46015 | 9.3230.39 | 10295.2 | 0.2
2019-04-0614 | 57.26 | 42.8736 | 3.7330.21 | 10230.1 | 0.0
2019-04-0717 | 62.69 | 48.26510 | 6.2130.21 | 10230.3 | 0.01
2019-04-0820 | 68.014 | 57.27618 | 11.1829.85 | 10117.5 | 0.3
2019-04-0919 | 66.210 | 50.06312 | 7.4629.68 | 10056.8 | 0.27
2019-04-1013 | 55.41 | 33.84817 | 10.5629.88 | 10120.0 | 0.0
2019-04-1111 | 51.8-1 | 30.24814 | 8.730.21 | 10230.0 | 0.0
2019-04-1216 | 60.811 | 51.87918 | 11.1830.18 | 10224.2 | 0.17
2019-04-1321 | 69.815 | 59.07712 | 7.4630.06 | 10183.6 | 0.14
2019-04-1418 | 64.416 | 60.89013 | 8.0829.8 | 10095.0 | 0.2
2019-04-1511 | 51.85 | 41.06331 | 19.2629.62 | 10035.7 | 0.22
2019-04-1613 | 55.41 | 33.85117 | 10.5630.06 | 10180.0 | 0.0
2019-04-1712 | 53.64 | 39.26011 | 6.8430.12 | 10200.0 | 0.0
2019-04-1819 | 66.211 | 51.87017 | 10.5630.0 | 10160.1 | 0.0
2019-04-1920 | 68.016 | 60.88021 | 13.0529.77 | 10086.7 | 0.26
2019-04-2019 | 66.214 | 57.27521 | 13.0529.71 | 10064.0 | 0.16
2019-04-2118 | 64.49 | 48.2629 | 5.5929.97 | 10150.6 | 0.02
2019-04-2217 | 62.610 | 50.07112 | 7.4630.06 | 10180.7 | 0.03
2019-04-2321 | 69.810 | 50.05711 | 6.8429.94 | 10140.1 | 0.0
2019-04-2417 | 62.68 | 46.45917 | 10.5629.83 | 10103.1 | 0.12
2019-04-2517 | 62.67 | 44.6578 | 4.9729.94 | 10140.1 | 0.0
2019-04-2616 | 60.812 | 53.68218 | 11.1829.59 | 100218.6 | 0.73
2019-04-2713 | 55.41 | 33.84828 | 17.429.74 | 10070.0 | 0.0
2019-04-2812 | 53.65 | 41.06414 | 8.730.03 | 10170.2 | 0.01
2019-04-2913 | 55.41 | 33.85113 | 8.0830.36 | 10280.1 | 0.0
2019-04-3019 | 66.210 | 50.07012 | 7.4630.24 | 10240.0 | 0.0

West Chester 3 Year Historical Weather Data

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