Best time to visit Allentown

Find the best time to visit Allentown and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Allentown by month

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

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When is the best time to visit Allentown?

The best time to visit Allentown is June based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 2°C maximum daytime temperature in January in Allentown2
    Jan
  • 3°C maximum daytime temperature in February in Allentown3
    Feb
  • 10°C maximum daytime temperature in March in Allentown10
    Mar
  • 16°C maximum daytime temperature in April in Allentown16
    Apr
  • 22°C maximum daytime temperature in May in Allentown22
    May
  • 27°C maximum daytime temperature in June in Allentown27
    Jun
  • 29°C maximum daytime temperature in July in Allentown29
    Jul
  • 28°C maximum daytime temperature in August in Allentown28
    Aug
  • 24°C maximum daytime temperature in September in Allentown24
    Sep
  • 18°C maximum daytime temperature in October in Allentown18
    Oct
  • 11°C maximum daytime temperature in November in Allentown11
    Nov
  • 4°C maximum daytime temperature in December in Allentown4
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
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  • Jun
  • Jul
  • Aug
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  • Nov
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Which is the hottest month in Allentown?

The hottest time of year in Allentown is normally July. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Allentown?

In terms of rainfall, August is usually the wettest month in Allentown with 110mm on average. There are normally 10 days in August with some rain.

When is it sunniest in Allentown?

The sunniest time of year in Allentown is normally July with bright sunshine on average for 62% of daylight hours; that's 9 hours of sunshine per day.

Best time to visit

The weather guide for Pennsylvania (Allentown) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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

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