climatesince.com

Allentown, PA: 2026

: 2026 so far averaged 55.6°F in Allentown, PA, the warmest 1 January to 9 October since 2025, tied 33rd warmest of 100 (with 1955 and 1931).

Mean temperature
55.6°F
Warmest since 2025
33rd warmest of 100
Precipitation
29.96 in
Driest since 2002
21st driest of 106

A normal 1 January to 9 October in Allentown, PA (1991 to 2020): a mean temperature of 55.3°F, between 53.3°F and 57.5°F in eight years of ten and 37.41 in of precipitation, between 29.36 in and 44.14 in in eight years of ten.

The mean temperature of every 1 January to 9 October in Allentown, PA since 1925: 55.6°F in 2026; the highest is 58.1°F, in 2012.
2025: 55.9°F2012: 58.1°F2026: 55.6°F 2026 55.6°F 2012 58.1°F since 2025 1925 2026
  • Normal range, 53.3 to 57.5°F
Every year, ranked, as a table

Every 1 January to 9 October in Allentown, PA from 1912 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

YearMean, °FRankHigh, °FRankLow, °FRankPrecipitation, inRankDays missing
202655.633663445.23629.96860
202555.92666.42345.52431.34810
202457.4567.41047.3435.93520
202356.71267.31246.11433.48640
202255.33866.12944.55137.14430
202156.12066.12946.21338.34350
202057.7268347.5337.38410
201957.7267.7747.8148.6030
201857.3767.11547.6248.1040
201757.5467.6947.3443.7090
201657.4568.7246.11430.09850
201554.166655443.28333.21710
2014539063.87942.29935.96510
201355.43665.54445.42938.42340
201258.1169147.3432.75730
201155.73165.83545.62158.7510
201056.71267.31246.11443.37120
200953.67663.68243.67432.93720
200854.84965.73943.96639.40290
200755.14465.83544.35530.46840
200656.21966.62145.72039.78240
200555.43666.12944.84240.73190
200454.46164.27044.64639.68260
200353.18962.69543.67443.63100
200256.71268345.52424.561030
200153.67664.36842.98932.27760
200053.972647543.86837.43400
199955.24066.423446135.11550
199857.2867.31247.1736.79460
199753.38563.97642.69531.40800
199652.29862.39942.29940.19210
199556.31866.42346.11428.15950
1994546964.36843.86840.83180
199355.33865.15145.42940.11220
1992546963.48744.64629.49900
199157.2867.7746.7926.311010
199056.61666.81846.41132.25770
198954.65464.17345.13738.10360
198854.26364.46544.15931.77780
198754.94764.85845.13739.61270
198654.94764.95744.94131.30820
198555.24065.15145.33236.49470
198453.77462.99244.55144.2970
1983562365.83546.11434.42590
198252.6956210143.28337.07440
198154.55864.27044.84228.17940
198056.61666.32646.8823.461060
197954.263639145.33242.45150
197853.28762.498446139.18310
197755.24065.24945.33235.28540
197654.84965.15144.64633.33680
197554.46163.39045.52444.7160
197454.26363.78144.84240.27200
197355.82765.34746.31236.90450
197253.58163.58643.67438.56330
1971539062.69543.47937.75370
197052.89462.79442.98927.92960
196954.55864.65944.55132.48740
196853.38564.56342.110128.47910
196752.29862.89341.610333.36670
196653.58164.17342.98929.70880
196553.48463.97642.89226.65990
196453.77464.65942.89227.45970
196352.59663.68241.410426.421000
196253.58163.87943.38033.39660
196153.67663.68243.67431.21830
196053.97263.48744.35540.88170
1959562366.32645.62133.53620
195852.99262.69543.38037.56390
195754.65465.54443.86824.551040
195652.59662.39942.79437.17420
195555.63366.12945.13735.00560
195454.65465.249446128.39921
195355.73165.83545.62143.8380
195255.144655445.13754.9920
195154.65464.65944.64639.57280
195053.67663.68243.67431.41790
194956.91067.9545.91933.30690
194853.28763.97642.49733.61610
194753.67664.270438836.38490
194654.75266.22843.28336.15500
1945546964.65943.38042.63140
1944554665.73944.35525.991020
194354.55864.46544.64627.10980
194255.240655445.33242.80130
194154.84965.54444.2580
194051.910061.310242.5960
193955.82766.12945.52429.89871
19385623671644.45443.451116
193756.81166.52246.7933.816020
193654.75265.642446135.435318
193554.16664.56343.18733.277014
193452.99263.48742.49739.892312
193355.82765.73945.52446.23513
193256.12066.71944.84228.189319
193155.63365.64245.42932.417510
193056.71267.95446124.1510523
192955.827671643.77236.444823
192865.34743.86841.941642
192744.15933.456529
192654.16664.46543.28334.835718
192556.12067.41043.77234.465818
192443.96639.762543
192366.71942.110136
192229.5289147
191939.3130282
191633.5362283
191339.1032282
191237.6138283

Warmest, coldest, wettest and driest

Warmest
YearMean, °F
201258.1
202057.7
201957.7
201757.5
202457.4
201657.4
201857.3
199857.2
199157.2
194956.9
Coldest
YearMean, °F
194051.9
199652.2
196752.2
196352.5
195652.5
198252.6
197052.8
195852.9
193452.9
201453
More years share the last value
Wettest
YearPrecipitation, in
201158.75
195254.99
201948.60
201848.10
193346.23
197544.71
198444.29
195343.83
201743.70
200343.63
Driest
YearPrecipitation, in
198023.46
193024.15
195724.55
200224.56
194425.99
199126.31
196326.42
196526.65
194327.10
196427.45

The hottest, coldest and wettest days

Hottest day
101°F
Coldest night
-9°F
Wettest day
1.65 in

Month by month

MonthMean temperaturePrecipitation
January24.6°F 22nd coldest of 942.52 in 35th driest of 110
February27.8°F 22nd coldest of 951.22 in 8th driest of 111
March44.2°F 13th warmest of 1005.73 in 13th wettest of 110
April53.6°F 10th warmest of 1023.00 in 41st driest of 111
May60.5°F 50th coldest of 1042.19 in 19th driest of 110
June71.1°F 24th warmest of 1022.41 in 22nd driest of 110
July75.2°F 34th warmest of 1033.70 in 39th driest of 111
August73.1°F 35th warmest of 1044.75 in 43rd wettest of 111
September67.2°F 19th warmest of 1034.44 in 37th wettest of 111
October so far59.8°F 30th warmest of 96a trace 4th driest of 113

Hot days and freezes

Daily records set

DateRecordValueBeforeCheck
Coldest night24°F28°F 2018, 1956, 1925Provisional
Warmest day78°F73°F 2021Provisional
Daily records set and not listed
0

Every month, season and year

Months

Seasons

Years

Allentown, PA the day's answers

All-time records

Every answer in words
  • 2026 so far brought 29.96 in of precipitation in Allentown, PA, the driest 1 January to 9 October since 2002, 21st driest of 106.
  • The hottest day of 2026 so far in Allentown, PA: 101°F on Thursday 2 July 2026.
  • The coldest night of 2026 so far in Allentown, PA: a low of -9°F on Wednesday 21 January 2026.
  • The wettest day of 2026 so far in Allentown, PA: 1.65 in on Thursday 5 March 2026.