Allentown weather in August 2025

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Allentown in August. Check more long-term weather averages for Allentown in August before you book your next holiday to Pennsylvania in 2025/2026.

  • 28°C maximum daytime temperature in August in Allentown28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in August in Allentown10
    10 days with some rainfall
  • 16°C minimum night-time temperature in August in Allentown16
    16°C min night temperature
  • 14 hours of daylight per day in August in Allentown14
    14 hours of daylight per day
  • Moderate heat & humidity in August in AllentownM
    Moderate heat & humidity
  • 110 mm monthly rainfall in August in Allentown110
    110 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Allentown8
    8 (Very High) UV index

More about Allentown

Allentown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Pennsylvania

Argus Car Hire: Compare low prices on car hire

  • Compare car hire with popular rental companies
  • Book with no credit card fees & free cancellation policy
  • Find low prices based on destination & travel dates
Go to Argus Car Hire deal >>

View all Argus Car Hire offers

The August weather guide for Pennsylvania (Allentown) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Allentown in August?

Daytime temperatures usually reach 28°C in Allentown in August with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Allentown in August?

There are normally 8 hours of bright sunshine each day in Allentown in August - that's 61% of daylight hours.

Does it rain in Allentown in August?

There are usually 10 days with some rain in Allentown in August and the average monthly rainfall is 110mm.

What is the chance of a hurricane in Allentown in August?

On average less than 1 day in August in Allentown is likely to be affected by the passage of one or more tropical storms.

Allentown August sunrise & sunset times

Browse the sunrise and sunset times for Allentown in August 2025. Select a month to view Allentown sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:59 19:17
Saturday, 16th August 2025 05:14 18:58
Sunday, 31st August 2025 05:28 18:35

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^