October Weather in Frederick, United States

Last updated: June 24, 2025

In October, the average temperature in Frederick, United States hovers around 9°C (49°F). However, prepare for a broad range, where temperatures can plunge to a minimum of -18°C (-1°F) or soar up to 30°C (86°F). Expect about 37 mm (1.5 in) of precipitation spread over 6 days, contributing to an average humidity level of 76%.

October Temperature in Frederick

In October in Frederick, the average temperature is 9°C (49°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can dip as low as -18°C (-1°F). Be sure to pack layers to accommodate the wide temperature range during your travels.

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 9°C (49°F), with highs reaching up to 30°C (86°F) and lows dropping to around -18°C (-1°F).

Data source: Temperature data for Frederick generated using information from the Copernicus Climate Change Service.

October Precipitation in Frederick

In Frederick in October, the precipitation amount is 37 mm (1.5 in) over the course of 6 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 37 mm (1.5 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Frederick

In Frederick in October, humidity is 76%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making outdoor adventures a bit uncomfortable as the dampness seeps into your clothes and lingers in the air, often leading to a sense of coolness that can be refreshing but also dampens the joy of exploration.

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 76%, offering insight into how humid the weather typically is during this month.

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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check 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 7, which falls under the high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	21 mm (0.8 inches)	88%	moderate
February Weather	-2°C (30°F)	27 mm (1.1 inches)	87%	high
March Weather	4°C (40°F)	55 mm (2.2 inches)	81%	very high
April Weather	9°C (48°F)	56 mm (2.2 inches)	76%	extreme
May Weather	13°C (56°F)	109 mm (4.3 inches)	66%	extreme
June Weather	20°C (69°F)	46 mm (1.8 inches)	58%	extreme
July Weather	23°C (74°F)	35 mm (1.4 inches)	52%	extreme
August Weather	22°C (73°F)	41 mm (1.6 inches)	56%	extreme
September Weather	19°C (66°F)	28 mm (1.1 inches)	65%	very high
October Weather	9°C (49°F)	37 mm (1.5 inches)	76%	high
November Weather	5°C (40°F)	24 mm (0.9 inches)	82%	moderate
December Weather	0°C (33°F)	14 mm (0.6 inches)	89%	moderate