October Weather in Lancaster, United States

Last updated: June 24, 2025

In October, the average temperature in Lancaster, United States hovers around 18°C (65°F). Expect a minimum of 4°C (40°F) and a maximum reaching 35°C (95°F). Brace yourself for 129 mm (5.1 in) of precipitation spread over 9 days, contributing to an average humidity of 80%. Enjoy the climate and be prepared for the occasional shower!

October Temperature in Lancaster

In October, in Lancaster, the average temperature is 18°C (65°F). Maximums can reach 35°C (95°F), and minimums can be as low as 4°C (40°F). This range makes Lancaster an ideal destination for travelers seeking a pleasant climate for outdoor activities and exploration.

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 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°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 total precipitation amount is 129 mm (5.1 in) over the course of 9 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 129 mm (5.1 inches) of precipitation spread over approximately 9 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 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting 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 80%, 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 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 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 7, which falls under the high 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	4°C (40°F)	76 mm (3.0 inches)	84%	moderate
February Weather	7°C (44°F)	105 mm (4.1 inches)	83%	moderate
March Weather	9°C (49°F)	92 mm (3.6 inches)	82%	high
April Weather	15°C (59°F)	97 mm (3.8 inches)	81%	very high
May Weather	20°C (68°F)	100 mm (3.9 inches)	80%	very high
June Weather	24°C (76°F)	109 mm (4.3 inches)	82%	very high
July Weather	27°C (81°F)	133 mm (5.2 inches)	81%	very high
August Weather	26°C (79°F)	158 mm (6.2 inches)	81%	very high
September Weather	23°C (74°F)	117 mm (4.6 inches)	78%	very high
October Weather	18°C (65°F)	129 mm (5.1 inches)	80%	high
November Weather	11°C (51°F)	79 mm (3.1 inches)	84%	moderate
December Weather	7°C (45°F)	96 mm (3.8 inches)	84%	moderate