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August Weather in Hagerstown, United States

Last updated: June 24, 2025

In August, the average temperature in Hagerstown, United States hovers around 23°C (73°F), making it a pleasant time to explore. Expect temperatures to range from a cool 11°C (52°F) to a warm 33°C (91°F). Be prepared for some rain, as 93 mm (3.7 in) of precipitation may fall over 12 days. With an average humidity of 70%, it’s a good idea to stay hydrated while enjoying the local sights!

August Temperature in Hagerstown

In August in Hagerstown, the average temperature is 23°C (73°F), with maximums reaching 33°C (91°F) and minimums as low as 11°C (52°F). This pleasant climate makes Hagerstown an ideal destination for travelers seeking enjoyable weather.

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

The chart illustrates August temperature patterns in Hagerstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hagerstown, August typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (91°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec293342516372757369574135
Data source: Temperature data for Hagerstown 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 Hagerstown

In Hagerstown in August, the precipitation amount is 93 mm (3.7 in) over the course of 12 days.

August Precipitation Trends in Hagerstown

The chart displays monthly precipitation patterns in Hagerstown, 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 Hagerstown, August typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec79991209914012011293891029381
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hagerstown

In Hagerstown in August humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.

August Average Humidity in Hagerstown

This chart illustrates the average monthly humidity levels in Hagerstown, 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 Hagerstown is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hagerstown

In Hagerstown 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 Hagerstown.

Maximum UV Index Levels in Hagerstown for August

The chart shows the monthly maximum UV Index (UVI) for Hagerstown 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 Hagerstown typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Hagerstown 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 Hagerstown Compares to Other Months

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

This table compares monthly weather conditions in Hagerstown, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)78 mm (3.1 inches)87%moderate
February Weather0°C (33°F)99 mm (3.9 inches)85%moderate
March Weather5°C (42°F)120 mm (4.7 inches)86%high
April Weather11°C (51°F)99 mm (3.9 inches)84%very high
May Weather17°C (64°F)140 mm (5.5 inches)79%very high
June Weather22°C (72°F)120 mm (4.7 inches)82%extreme
July Weather24°C (76°F)112 mm (4.4 inches)79%very high
August Weather23°C (73°F)93 mm (3.7 inches)70%very high
September Weather20°C (69°F)89 mm (3.5 inches)69%very high
October Weather14°C (57°F)101 mm (4.0 inches)76%high
November Weather5°C (41°F)93 mm (3.7 inches)88%moderate
December Weather2°C (35°F)81 mm (3.2 inches)87%moderate

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