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October Weather in Lewiston, United States

Last updated: June 24, 2025

In Lewiston, United States during October, the average temperature hovers around 13°C (56°F), with extremes ranging from a chilly 0°C (33°F) to a warm 33°C (92°F). Expect about 52 mm (2.0 in) of precipitation spread across 5 days, contributing to an average humidity of 72%.

October Temperature in Lewiston

In October in Lewiston, the average temperature is 13°C (56°F), with maximums reaching up to 33°C (92°F) and minimums dipping as low as 0°C (33°F). Travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates October temperature patterns in Lewiston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lewiston, October typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec394144515969777567564639
Data source: Temperature data for Lewiston 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 Lewiston

In Lewiston in October, the precipitation amount is 52 mm (2.0 in) over a span of 5 days.

October Precipitation Trends in Lewiston

The chart displays monthly precipitation patterns in Lewiston, 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 Lewiston, October typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec16315613782621624125297118
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Lewiston

In Lewiston in October, humidity is 72%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and reminding travelers to stay hydrated and seek shade whenever possible.

October Average Humidity in Lewiston

This chart illustrates the average monthly humidity levels in Lewiston, 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 Lewiston is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Lewiston

In Lewiston in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Lewiston, you can refer to this Hourly UV Index in Lewiston.

Maximum UV Index Levels in Lewiston for October

The chart shows the monthly maximum UV Index (UVI) for Lewiston 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 Lewiston typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109643
Data source: Lewiston 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 Lewiston Compares to Other Months

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

This table compares monthly weather conditions in Lewiston, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)163 mm (6.4 inches)86%moderate
February Weather5°C (41°F)156 mm (6.1 inches)85%moderate
March Weather7°C (44°F)137 mm (5.4 inches)85%high
April Weather11°C (51°F)82 mm (3.2 inches)82%very high
May Weather15°C (59°F)62 mm (2.4 inches)81%extreme
June Weather20°C (69°F)15 mm (0.6 inches)79%extreme
July Weather25°C (77°F)2 mm (0.1 inches)70%extreme
August Weather24°C (76°F)4 mm (0.1 inches)60%very high
September Weather20°C (68°F)12 mm (0.5 inches)62%very high
October Weather13°C (56°F)52 mm (2.0 inches)72%high
November Weather8°C (46°F)97 mm (3.8 inches)87%moderate
December Weather4°C (39°F)118 mm (4.6 inches)86%moderate

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