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August Weather in Baltimore, United States

Last updated: June 24, 2025

In Baltimore, United States, the average temperature in August is a pleasant 23°C (74°F). During this time, temperatures can dip to a minimum of 11°C (52°F) or rise to a maximum of 33°C (92°F). Visitors can expect an average precipitation amount of 96 mm (3.8 in) spread over 12 days, along with an average humidity level of 73%.

August Temperature in Baltimore

In August in Baltimore, the average temperature is 23°C (74°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop to as low as 11°C (52°F). This range makes Baltimore an ideal destination for travelers seeking pleasant weather for outdoor activities.

August Weather in Baltimore: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Baltimore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baltimore, August typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec323543526472767369584237
Data source: Temperature data for Baltimore generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Baltimore

In Baltimore in August, the precipitation amount is 96 mm (3.8 in) spread over a duration of 12 days.

August Precipitation Trends in Baltimore

The chart displays monthly precipitation patterns in Baltimore, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Baltimore, August typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec911231221341351591289696108103111
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Baltimore

In Baltimore in August, humidity is 73%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making traveling a bit sweaty and heavy, but still pleasant if you stay hydrated and take breaks in the shade.

August Average Humidity in Baltimore

This chart illustrates the average monthly humidity levels in Baltimore, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Baltimore is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Baltimore

In Baltimore in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Baltimore.

Maximum UV Index Levels in Baltimore for August

The chart shows the monthly maximum UV Index (UVI) for Baltimore in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Baltimore typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Baltimore August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Baltimore Compares to Other Months

Weather in Baltimore varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Baltimore, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Baltimore, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)90 mm (3.6 inches)88%moderate
February Weather2°C (36°F)123 mm (4.8 inches)88%moderate
March Weather6°C (43°F)122 mm (4.8 inches)87%high
April Weather11°C (53°F)134 mm (5.3 inches)85%very high
May Weather18°C (64°F)135 mm (5.3 inches)81%very high
June Weather22°C (72°F)159 mm (6.3 inches)82%very high
July Weather24°C (76°F)128 mm (5.0 inches)81%very high
August Weather23°C (74°F)96 mm (3.8 inches)73%very high
September Weather20°C (69°F)96 mm (3.8 inches)73%very high
October Weather14°C (58°F)108 mm (4.3 inches)78%high
November Weather6°C (43°F)103 mm (4.1 inches)89%moderate
December Weather3°C (37°F)111 mm (4.4 inches)87%moderate

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