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), providing a comfortable climate. Expect temperatures to range from a chilly 3°C (37°F) to a warm 36°C (96°F), accommodating a variety of preferences. With minimal precipitation of just 3 mm (0.1 in) spread over 0 days, the air feels pleasantly dry, complemented by an average humidity of 59%.

October Temperature in Lancaster

In October in Lancaster, the average temperature is 18°C (65°F). Maximum temperatures can reach as high as 36°C (96°F), while minimum temperatures can drop to 3°C (37°F). Therefore, visitors should be prepared for a wide range of temperatures during their travels.

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 36°C (96°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec485054616676828175655648
Data source: Temperature data for Lancaster 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 Lancaster

In Lancaster in October, the precipitation amount is 3 mm (0.1 in) during a total of 0 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 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec413138178121231243
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Lancaster

In Lancaster in October, humidity is 59%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, providing a refreshing atmosphere that's ideal for exploring the sights without feeling too hot or sticky.

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 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
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.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
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.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)41 mm (1.6 inches)78%moderate
February Weather10°C (50°F)31 mm (1.2 inches)82%high
March Weather12°C (54°F)38 mm (1.5 inches)75%very high
April Weather16°C (62°F)17 mm (0.7 inches)68%very high
May Weather19°C (67°F)7 mm (0.3 inches)57%extreme
June Weather24°C (76°F)1 mm (0.0 inches)52%extreme
July Weather28°C (82°F)2 mm (0.1 inches)46%extreme
August Weather27°C (81°F)1 mm (0.1 inches)39%extreme
September Weather24°C (76°F)2 mm (0.1 inches)48%very high
October Weather18°C (65°F)3 mm (0.1 inches)59%high
November Weather14°C (57°F)12 mm (0.5 inches)72%moderate
December Weather9°C (48°F)42 mm (1.7 inches)76%moderate

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