nomadseason

October Weather in Lewiston, United States

Last updated: June 24, 2025

In October, the average temperature in Lewiston, United States hovers around 13°C (56°F), with a minimum dipping to 3°C (38°F) and a maximum peaking at 25°C (78°F). Expect about 128 mm (5.0 in) of precipitation spread over 16 days, and be prepared for a high level of humidity at 83%.

October Temperature in Lewiston

In October in Lewiston, the average temperature is 13°C (56°F). Maximums can reach 25°C (78°F) and minimums can be as low as 3°C (38°F). This makes it an ideal time for travelers looking to enjoy mild weather and outdoor activities.

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 25°C (78°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec293035435264737266564235
Data source: Temperature data for Lewiston generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 128 mm (5.0 in) spread over 16 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 128 mm (5.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec788772118998111585731288990
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Lewiston

In Lewiston in October humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
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 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 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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 Weather-2°C (29°F)78 mm (3.1 inches)91%low
February Weather-1°C (30°F)87 mm (3.4 inches)91%moderate
March Weather2°C (35°F)71 mm (2.8 inches)88%moderate
April Weather6°C (43°F)118 mm (4.6 inches)88%very high
May Weather11°C (53°F)99 mm (3.9 inches)82%very high
June Weather18°C (64°F)81 mm (3.2 inches)79%very high
July Weather23°C (73°F)115 mm (4.5 inches)77%very high
August Weather22°C (73°F)85 mm (3.3 inches)72%very high
September Weather19°C (66°F)73 mm (2.9 inches)76%high
October Weather13°C (56°F)128 mm (5.0 inches)83%moderate
November Weather6°C (42°F)89 mm (3.5 inches)88%moderate
December Weather1°C (35°F)90 mm (3.5 inches)87%low

Compare Lewiston's Climate with Cities Worldwide