Frederick weather in August 2026

Expect daytime maximum temperatures of 30°C in Frederick, Maryland in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 93 mm of rainfall in the month.

  • 30°C maximum daytime temperature in August in Frederick30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in August in Frederick10
    10 days with some rainfall
  • 17°C minimum night-time temperature in August in Frederick17
    17°C min night temperature
  • 14 hours of daylight per day in August in Frederick14
    14 hours of daylight per day
  • Moderate heat & humidity in August in FrederickM
    Moderate heat & humidity
  • 93 mm monthly rainfall in August in Frederick93
    93 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Frederick8
    8 (Very High) UV index

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The August weather guide for Maryland (Frederick) 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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How hot is it in Frederick in August?

Daytime temperatures usually reach 30°C in Frederick in August with high heat and humidity, falling to 20°C at night.

How sunny is it in Frederick in August?

There are normally 9 hours of bright sunshine each day in Frederick in August - that's 62% of daylight hours.

How warm is the sea around Frederick in August?

The average sea temperature around Frederick in August is 25°C.

Does it rain in Frederick in August?

There are usually 9 days with some rain in Frederick in August and the average monthly rainfall is 105mm.

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

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

Frederick August sunrise & sunset times

Browse the sunrise and sunset times for Frederick in August 2026. Select a month to view Frederick sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:09 19:22
Sunday, 16th August 2026 05:23 19:04
Monday, 31st August 2026 05:37 18:42

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