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Weather on December 16

Allentown, PA

55 Years of Data

Avg High
42°F
Avg Low
28°F
Warmest
2021
52°F avg
Coldest
2016
19°F avg

About This Date

December 16th in Allentown, PA typically brings chilly winter weather, with average highs around 42°F and lows near 28°F. Over 55 years of records, the warmest December 16th was in 2021 (52°F average), while the coldest was 2016 (19°F) — a 33°F range across recorded history. Precipitation has occurred on 47% of recorded December 16th dates, with snow falling 15% of the time (heaviest snowfall: 9.2"). The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.

Planning for December 16th in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Cooling Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
202528°10°19°
202442°32°37°1.07"
202355°29°42°
202242°35°39°0.89"
2021warmest61°43°52°
202025°20°23°2.36"9.2"
201936°33°34°0.43"
201846°36°41°3.07"
201740°14°27°
2016coldest26°12°19°
201552°46°49°
201445°33°39°0.56"
201331°12°22°
201249°41°45°0.18"
201154°35°44°
201027°16°21°
200937°24°31°0.03"0.2"
200851°28°40°0.58"1.9"
200735°22°28°2.36"1.8"
200650°31°40°
200544°27°35°3.3"
200441°18°29°
200339°22°30°
200241°23°32°
200143°24°33°
200048°27°37°0.81"
199945°31°38°0.03"
199850°25°37°
199755°25°40°
199642°39°41°
199536°32°34°0.97"2.6"
199441°25°33°
199349°29°39°
199241°33°37°0.2"
199131°19°25°
199047°33°40°0.13"
198927°14°20°
198828°14°21°
198740°34°37°
198643°25°34°
198538°27°32°
198442°38°40°
198344°29°36°
198258°41°49°1.8"
198137°26°32°0.43"1.7"
198035°25°30°0.46"1.1"
197940°30°35°0.81"
197850°29°39°0.08"
197745°31°38°
197640°26°33°0.08"
197549°29°39°0.15"
197444°36°40°2.57"
197331°25°28°1.14"4.5"
197236°20°28°0.15"
197160°40°50°
55 years of data from ALLENTOWN LEHIGH VLY INTL AP

Allentown, PA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

10°30°50°70°90°JFMAMJJASOND
Avg high Avg low

Allentown, PA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"6.3"12.5"JFMAMJJASOND3.3"0"
Rain (in) Snow (in)

Allentown, PA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Allentown, PA

Allentown, PA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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