Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Allentown, Pennsylvania, United States Average Monthly Weather
Weather score46Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 16°C, sunshine averages 6.6h per day, and rainfall totals about 1120mm.
Annual weather
Annual averages
Temp
16°C
Rain
1120mm
Annual total
Sun
6.6h
Weather score
46
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 78mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Map
Weather map
Compare Allentown, Pennsylvania, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October18°C average high
October is close to Allentown's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October78mm average rain
October sits on the drier side of Allentown's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April, June, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.1 hours average sun
October sits close to Allentown's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
October39 weather score
October scores below Allentown's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
