Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
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
Showers
Rainfall averages 109mm, so some wet days are possible.
Bright
Sunshine averages 9.1h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Allentown, Pennsylvania, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July29°C average high
July is one of Allentown's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July109mm average rain
July is one of Allentown's wettest months, so rain is likely to be a major planning factor.
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
July9.1 hours average sun
July is one of Allentown's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
July79 weather score
July is one of Allentown's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
