Annapolis weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Annapolis in August. Check more long-term weather averages for Annapolis in August before you book your next holiday to Maryland in 2025/2026.

  • 86°F maximum daytime temperature in August in Annapolis86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Annapolis10
    10 days with some rainfall
  • 66°F minimum night-time temperature in August in Annapolis66
    66°F min night temperature
  • 14 hours of daylight per day in August in Annapolis14
    14 hours of daylight per day
  • Moderate heat & humidity in August in AnnapolisM
    Moderate heat & humidity
  • 4.3 inches monthly rainfall in August in Annapolis4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Annapolis8
    8 (Very High) UV index
  • 77°F sea temperature in August in Annapolis77
    77°F sea temperature

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The August weather guide for Maryland (Annapolis) 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)  |  Imperial (°F)

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How hot is it in Annapolis in August?

Daytime temperatures usually reach 86°F in Annapolis in August with moderate heat and humidity, falling to 66°F at night.

How sunny is it in Annapolis in August?

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

How warm is the sea around Annapolis in August?

The average sea temperature around Annapolis in August is 77°F.

Does it rain in Annapolis in August?

There are usually 10 days with some rain in Annapolis in August and the average monthly rainfall is 4.3 inches.

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

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

Annapolis August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:07 19:17
Saturday, 16th August 2025 05:21 18:59
Sunday, 31st August 2025 05:34 18:37

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