Lancaster weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Lancaster in August. Check more long-term weather averages for Lancaster in August before you book your next holiday to Pennsylvania in 2025/2026.

  • 29°C maximum daytime temperature in August in Lancaster29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Lancaster10
    10 days with some rainfall
  • 17°C minimum night-time temperature in August in Lancaster17
    17°C min night temperature
  • 14 hours of daylight per day in August in Lancaster14
    14 hours of daylight per day
  • Moderate heat & humidity in August in LancasterM
    Moderate heat & humidity
  • 95 mm monthly rainfall in August in Lancaster95
    95 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Lancaster8
    8 (Very High) UV index

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The August weather guide for Pennsylvania (Lancaster) 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)

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More about the USA

How hot is it in Lancaster in August?

Daytime temperatures usually reach 29°C in Lancaster in August with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Lancaster in August?

There are normally 9 hours of bright sunshine each day in Lancaster in August - that's 64% of daylight hours.

Does it rain in Lancaster in August?

There are usually 10 days with some rain in Lancaster in August and the average monthly rainfall is 95mm.

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

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

Lancaster August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:04 19:19
Saturday, 16th August 2025 05:18 19:00
Sunday, 31st August 2025 05:32 18:38

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