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October Weather in Lancaster, United States

Last updated: June 24, 2025

In October, the average temperature in Lancaster, United States is a pleasant 19°C (66°F). However, temperatures can vary significantly, with a minimum of 1°C (34°F) and soaring up to 36°C (98°F). Expect some rain as well, with 77 mm (3.0 in) of precipitation over about 8 days, and plan for a humidity level that averages around 79%.

October Temperature in Lancaster

In October in Lancaster, the average temperature is 19°C (66°F), with a maximum that can reach 36°C (98°F) and a minimum that can drop as low as 1°C (34°F). This diverse temperature range makes it essential for travelers to pack accordingly to fully enjoy their visit.

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 19°C (66°F), with highs reaching up to 36°C (98°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec455155637277807975665248
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 77 mm (3.0 in) distributed over 8 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 77 mm (3.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412582105111981101211167786129
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 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109864
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 Weather7°C (46°F)94 mm (3.7 inches)86%moderate
February Weather10°C (51°F)125 mm (4.9 inches)85%high
March Weather13°C (55°F)82 mm (3.2 inches)84%very high
April Weather17°C (63°F)105 mm (4.1 inches)82%very high
May Weather22°C (72°F)111 mm (4.4 inches)83%very high
June Weather25°C (77°F)98 mm (3.8 inches)82%extreme
July Weather27°C (80°F)110 mm (4.3 inches)80%extreme
August Weather26°C (79°F)121 mm (4.8 inches)74%very high
September Weather24°C (75°F)116 mm (4.6 inches)75%very high
October Weather19°C (66°F)77 mm (3.0 inches)79%very high
November Weather11°C (53°F)86 mm (3.4 inches)87%high
December Weather9°C (49°F)129 mm (5.1 inches)87%moderate

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