Allentown, Pennsylvania, United States Climate

Weather: 9.48°C/49.06°F, Wind SW at 0 km/h, 74% Humidity, 0.92% Chance of rain

United States
(Photo by Donnie Rosie on Unsplash)
Contents

Allentown Climate Summary

Located at an elevation of 111.15 meters (364.67 feet) above sea level, Allentown has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 12.26ºC (54.07ºF) and it is -0.38% lower than United States’s averages. Allentown typically receives about 45.7 millimeters (1.8 inches) of precipitation and has 45.19 rainy days (12.38% of the time) annually.

CountryUnited States
CityPennsylvania
Longitude-75.4714098
Latitude40.6022939
Attitude/Elevation111.15m (364.67ft)
Local timeWednesday 11:23
Annual high temperature15.28ºC (59.5ºF)
Annual low temperature7.1ºC (44.78ºF)
Average annual precip.45.7mm (1.8in)
Warmest monthJuly (29.15ºC / 84.47ºF)
Coldest MonthJanuary (-4.53ºC / 23.85ºF)
Wettest MonthAugust (67.25mm / 2.65in)
Driest MonthSeptember (33.79mm / 1.33in)
Number of days with rainfall (≥ 1.0 mm)45.19 days (12.38%)
Days with no rain319.81 days (87.62%)
Humidity76.24%

Climate Allentown: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)16.0(60.8)23.0(73.4)20.0(68.0)26.0(78.8)31.0(87.8)32.0(89.6)35.0(95.0)33.0(91.4)33.0(91.4)30.0(86.0)22.0(71.6)15.0(59.0)35.0(95.0)
Average high °C (°F)2.08(35.74)5.06(41.11)7.71(45.88)13.09(55.56)19.91(67.84)24.84(76.71)29.15(84.47)27.32(81.18)23.89(75.0)17.04(62.67)9.01(48.22)4.25(39.65)15.28(59.5)
Daily mean °C (°F)-0.39(31.3)2.25(36.05)4.51(40.12)10.01(50.02)16.66(61.99)21.6(70.88)25.89(78.6)24.08(75.34)20.37(68.67)13.89(57.0)6.19(43.14)2.06(35.71)12.26(54.07)
Average low °C (°F)-4.53(23.85)-2.12(28.18)-0.61(30.9)4.42(39.96)10.59(51.06)15.06(59.11)19.23(66.61)18.46(65.23)15.11(59.2)9.04(48.27)1.98(35.56)-1.45(29.39)7.1(44.78)
Record low °C (°F)-18.0(-0.4)-15.0(5.0)-12.0(10.4)-3.0(26.6)1.0(33.8)7.0(44.6)13.0(55.4)13.0(55.4)6.0(42.8)-1.0(30.2)-9.0(15.8)-11.0(12.2)-18.0(-0.4)
Average precipitation mm (inches)35.72(1.41)38.39(1.51)41.33(1.63)42.88(1.69)61.03(2.4)46.41(1.83)59.97(2.36)67.25(2.65)33.79(1.33)35.19(1.39)42.24(1.66)44.21(1.74)45.7(1.8)
Average precipitation days (≥ 1.0 mm)2.273.643.363.554.824.734.915.823.363.362.552.823.77
Average relative humidity (%)72.5575.5873.1371.6477.9876.5176.8879.778.5478.474.679.3576.24
Mean monthly sunshine hours7.378.258.969.112.2712.9413.4110.319.689.016.866.029.51

Climate Graph

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

Allentown

Allentown Temperature by Month

July
25.89°C | 78.6°F
August
24.08°C | 75.34°F
June
21.6°C | 70.88°F
September
20.37°C | 68.67°F
May
16.66°C | 61.99°F
October
13.89°C | 57.0°F
April
10.01°C | 50.02°F
November
6.19°C | 43.14°F
March
4.51°C | 40.12°F
February
2.25°C | 36.05°F
December
2.06°C | 35.71°F
January
-0.39°C | 31.3°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature27.0°C (80.6°F)16.55°C (61.79°F)7.0°C (44.6°F)
Avg Temperature23.0°C (73.4°F)13.26°C (55.87°F)6.0°C (42.8°F)
Min Temperature20.0°C (68.0°F)8.61°C (47.5°F)1.0°C (33.8°F)
Dew PointMaxAverageMin
Dew Point21.0°C (69.8°F)8.45°C (47.21°F)-2.0°C (28.4°F)
PrecipitationMaxAverageMinSum
Precipitation19.8mm | 0.78in2.77mm | 0.11in0.0mm | 0in85.8mm | 3.38in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind20.0kmh | 12.43mph10.03kmh | 6.23mph4.0kmh | 2.49mph
Gust Wind29.0kmh | 18.02mph15.0kmh | 9.32mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure19.8mb2.77mb0.0mb
Allentown

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-10-0121 | 69.816 | 60.8836 | 3.7330.24 | 10240.0 | 0.0
2018-10-0222 | 71.618 | 64.4908 | 4.9730.12 | 102019.8 | 0.78
2018-10-0320 | 68.016 | 60.8846 | 3.7330.06 | 10185.2 | 0.2
2018-10-0422 | 71.617 | 62.6876 | 3.7330.0 | 10161.2 | 0.05
2018-10-0518 | 64.412 | 53.6808 | 4.9730.12 | 10200.4 | 0.02
2018-10-0618 | 64.416 | 60.8916 | 3.7330.18 | 10220.8 | 0.03
2018-10-0723 | 73.420 | 68.0886 | 3.7330.18 | 10220.0 | 0.0
2018-10-0818 | 64.417 | 62.6958 | 4.9730.36 | 10281.8 | 0.07
2018-10-0922 | 71.619 | 66.2905 | 3.1130.3 | 10260.7 | 0.03
2018-10-1022 | 71.619 | 66.2907 | 4.3530.06 | 10181.5 | 0.06
2018-10-1122 | 71.621 | 69.89610 | 6.2129.71 | 100618.3 | 0.72
2018-10-1212 | 53.67 | 44.66817 | 10.5629.74 | 10073.3 | 0.13
2018-10-1310 | 50.05 | 41.0739 | 5.5929.94 | 10141.8 | 0.07
2018-10-1410 | 50.04 | 39.2744 | 2.4930.21 | 10230.0 | 0.0
2018-10-1516 | 60.813 | 55.49013 | 8.0830.03 | 10177.3 | 0.29
2018-10-169 | 48.22 | 35.66511 | 6.8430.12 | 10201.8 | 0.07
2018-10-1710 | 50.02 | 35.66515 | 9.3230.03 | 10170.1 | 0.0
2018-10-187 | 44.6-2 | 28.46111 | 6.8430.36 | 10280.0 | 0.0
2018-10-1910 | 50.03 | 37.46811 | 6.8430.18 | 10220.0 | 0.0
2018-10-2012 | 53.69 | 48.28213 | 8.0829.74 | 10075.5 | 0.22
2018-10-216 | 42.80 | 32.06916 | 9.9430.0 | 10161.4 | 0.06
2018-10-227 | 44.60 | 32.07110 | 6.2130.21 | 10230.0 | 0.0
2018-10-2311 | 51.84 | 39.2699 | 5.5930.03 | 10170.7 | 0.03
2018-10-247 | 44.61 | 33.87216 | 9.9430.15 | 10210.0 | 0.0
2018-10-256 | 42.8-1 | 30.26910 | 6.2130.18 | 10220.0 | 0.0
2018-10-266 | 42.8-0 | 32.0707 | 4.3530.09 | 10190.3 | 0.01
2018-10-277 | 44.66 | 42.89320 | 12.4329.68 | 100512.4 | 0.49
2018-10-287 | 44.65 | 41.0889 | 5.5929.77 | 10080.3 | 0.01
2018-10-299 | 48.25 | 41.08115 | 9.3229.83 | 10101.2 | 0.05
2018-10-308 | 46.41 | 33.87110 | 6.2130.09 | 10190.0 | 0.0
2018-10-3113 | 55.47 | 44.6769 | 5.5930.03 | 10170.0 | 0.0

Allentown 3 Year Historical Weather Data

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