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October Weather in Frederick, United States

Last updated: June 24, 2025

In October, the average temperature in Frederick, United States is a comfortable 18°C (64°F). However, be prepared for fluctuations, as temperatures can dip as low as -2°C (28°F) and soar up to 36°C (97°F). With an average humidity of 71%, the atmosphere can feel quite warm. Expect about 69 mm (2.7 in) of precipitation spread over 5 days, so don’t forget your umbrella!

October Temperature in Frederick

In October in Frederick, the average temperature is 18°C (64°F). The maximum can reach 36°C (97°F), while the minimum can drop as low as -2°C (28°F). This wide temperature range makes it essential for travelers to pack accordingly to enjoy their visit comfortably.

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

The chart illustrates October 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, October typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around -2°C (28°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.

October Precipitation in Frederick

In Frederick in October, the total precipitation amount is 69 mm (2.7 in) spread over a duration of 5 days.

October Precipitation Trends in Frederick

The chart displays monthly precipitation patterns in Frederick, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Frederick, October typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3530699811558283786692229
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Frederick

In Frederick in October, humidity is 71%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making traveling a bit sticky but still pleasant as the warmth envelops you, urging you to explore the vibrant surroundings while staying hydrated.

October Average Humidity in Frederick

This chart illustrates the average monthly humidity levels in Frederick, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Frederick is approximately 71%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Frederick

In Frederick in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Frederick.

Maximum UV Index Levels in Frederick for October

The chart shows the monthly maximum UV Index (UVI) for Frederick in October, 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 October, the maximum UV index in Frederick typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110854
Data source: Frederick October 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 October 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 October’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 October’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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