Baltimore weather in August 2025

Expect daytime maximum temperatures of 30°C in Baltimore, Maryland in August and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 105 mm of rainfall in the month.

  • 30°C maximum daytime temperature in August in Baltimore30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in Baltimore9
    9 days with some rainfall
  • 20°C minimum night-time temperature in August in Baltimore20
    20°C min night temperature
  • 14 hours of daylight per day in August in Baltimore14
    14 hours of daylight per day
  • High heat & humidity in August in BaltimoreH
    High heat & humidity
  • 105 mm monthly rainfall in August in Baltimore105
    105 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Baltimore8
    8 (Very High) UV index
  • 25°C sea temperature in August in Baltimore25
    25°C sea temperature

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The August weather guide for Maryland (Baltimore) 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 Baltimore in August?

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

How sunny is it in Baltimore in August?

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

How warm is the sea around Baltimore in August?

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

Does it rain in Baltimore in August?

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

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

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

Baltimore August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:07 19:18
Saturday, 16th August 2025 05:21 19:00
Sunday, 31st August 2025 05:34 18:38

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