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July Weather in Frederick, United States

Last updated: June 24, 2025

In Frederick, United States, the average temperature in July hovers around 29°C (85°F). However, temperatures can swing from a cool 18°C (64°F) to a scorching 44°C (111°F). With an average humidity of 80%, expect a warm but muggy atmosphere. Precipitation is also notable, with 28 mm (1.1 in) of rain expected over 5 days. Prepare for a mix of sun and showers!

July Temperature in Frederick

In July in Frederick, the average temperature is 29°C (85°F). Maximum temperatures can reach 44°C (111°F), while minimum temperatures can drop to as low as 18°C (64°F). Be prepared for warm weather and pack accordingly for your travels to Frederick.

July Weather in Frederick: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Frederick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frederick, July typically has an average temperature of 29°C (85°F), with highs reaching up to 44°C (111°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec414356627281858477645246
Data source: Temperature data for Frederick 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.

July Precipitation in Frederick

In Frederick in July, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

July Precipitation Trends in Frederick

The chart displays monthly precipitation patterns in Frederick, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Frederick, July typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3530699811558283786692229
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Frederick

In Frederick in July, humidity is 80%. With an average temperature of 29°C (85°F), this humidity feels like a heavy blanket enveloping you, making every outdoor adventure feel more strenuous as sweat clings to your skin and the air feels thick and muggy.

July Average Humidity in Frederick

This chart illustrates the average monthly humidity levels in Frederick, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Frederick is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Frederick

In Frederick in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Frederick.

Maximum UV Index Levels in Frederick for July

The chart shows the monthly maximum UV Index (UVI) for Frederick in July, 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 July, the maximum UV index in Frederick typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110854
Data source: Frederick July 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 July Weather in Frederick Compares to Other Months

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

This table compares monthly weather conditions in Frederick, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)35 mm (1.4 inches)76%moderate
February Weather6°C (43°F)30 mm (1.2 inches)76%high
March Weather13°C (56°F)69 mm (2.7 inches)70%very high
April Weather17°C (62°F)98 mm (3.9 inches)72%very high
May Weather22°C (72°F)115 mm (4.5 inches)82%extreme
June Weather27°C (81°F)58 mm (2.3 inches)82%extreme
July Weather29°C (85°F)28 mm (1.1 inches)80%extreme
August Weather29°C (84°F)37 mm (1.5 inches)72%extreme
September Weather25°C (77°F)86 mm (3.4 inches)64%very high
October Weather18°C (64°F)69 mm (2.7 inches)71%very high
November Weather11°C (52°F)22 mm (0.9 inches)81%moderate
December Weather8°C (46°F)29 mm (1.1 inches)84%moderate

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