October Weather in Lancaster, United States

Last updated: June 24, 2025

In October, the average temperature in Lancaster, United States hovers around 11°C (52°F). Be prepared for a wide temperature range, with minimums dipping to -4°C (25°F) and maximums soaring up to 30°C (87°F). Expect 124 mm (4.9 in) of precipitation over 11 days, and a cozy average humidity of 79%.

October Temperature in Lancaster

In October in Lancaster, the average temperature is 11°C (52°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as -4°C (25°F). This variation in temperature makes it essential for travelers to pack both light clothing for warm days and warmer layers for cooler evenings.

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

The chart illustrates October temperature patterns in Lancaster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lancaster, October typically has an average temperature of 11°C (52°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (25°F).

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

October Precipitation in Lancaster

In Lancaster in October, the precipitation amount is 124 mm (4.9 in) over the course of 11 days.

October Precipitation Trends in Lancaster

The chart displays monthly precipitation patterns in Lancaster, 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 Lancaster, October typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Lancaster

In Lancaster in October humidity is 79%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps through your clothes, making prolonged outdoor activities uncomfortable for travelers.

October Average Humidity in Lancaster

This chart illustrates the average monthly humidity levels in Lancaster, 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 Lancaster is approximately 79%, 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 Lancaster

In Lancaster in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lancaster.

Maximum UV Index Levels in Lancaster for October

The chart shows the monthly maximum UV Index (UVI) for Lancaster 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 Lancaster typically reaches 5, which falls under the moderate exposure category.

Data source: Lancaster 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 Lancaster Compares to Other Months

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

This table compares monthly weather conditions in Lancaster, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	46 mm (1.8 inches)	84%	moderate
February Weather	-5°C (23°F)	59 mm (2.3 inches)	85%	moderate
March Weather	3°C (37°F)	61 mm (2.4 inches)	84%	moderate
April Weather	8°C (47°F)	85 mm (3.4 inches)	83%	very high
May Weather	16°C (61°F)	143 mm (5.6 inches)	75%	very high
June Weather	22°C (72°F)	135 mm (5.3 inches)	79%	very high
July Weather	24°C (76°F)	103 mm (4.0 inches)	75%	very high
August Weather	22°C (72°F)	87 mm (3.4 inches)	69%	very high
September Weather	19°C (66°F)	116 mm (4.6 inches)	74%	very high
October Weather	11°C (52°F)	124 mm (4.9 inches)	79%	moderate
November Weather	3°C (37°F)	47 mm (1.8 inches)	88%	moderate
December Weather	-1°C (30°F)	41 mm (1.6 inches)	82%	low