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October Weather in Cortland, United States

Last updated: June 24, 2025

In October, the average temperature in Cortland, United States hovers around 11°C (52°F), with a range that can drop to a chilling -2°C (29°F) or rise to a warm 27°C (81°F). Expect some rain, as precipitation totals 155 mm (6.1 in) across about 15 days. With an average humidity level of 84%, it’s a month where layers are key to staying comfortable!

October Temperature in Cortland

In October in Cortland, the average temperature is 11°C (52°F). Maximums can reach 27°C (81°F), and minimums can drop as low as -2°C (29°F). Be prepared for a range of weather conditions when planning your travels during this time.

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

The chart illustrates October temperature patterns in Cortland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cortland, October typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455766716962523730
Data source: Temperature data for Cortland 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 Cortland

In Cortland in October, the precipitation amount is 155 mm (6.1 in) over a period of 15 days.

October Precipitation Trends in Cortland

The chart displays monthly precipitation patterns in Cortland, 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 Cortland, October typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec89969112413710516311699155102103
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Cortland

In Cortland in October, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

October Average Humidity in Cortland

This chart illustrates the average monthly humidity levels in Cortland, 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 Cortland is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Cortland

In Cortland 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 Cortland, you can refer to this Hourly UV Index in Cortland.

Maximum UV Index Levels in Cortland for October

The chart shows the monthly maximum UV Index (UVI) for Cortland 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 Cortland typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Cortland 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 Cortland Compares to Other Months

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

This table compares monthly weather conditions in Cortland, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)88 mm (3.5 inches)90%moderate
February Weather-3°C (27°F)96 mm (3.8 inches)90%moderate
March Weather1°C (34°F)91 mm (3.6 inches)87%high
April Weather7°C (45°F)124 mm (4.9 inches)88%very high
May Weather14°C (57°F)137 mm (5.4 inches)82%very high
June Weather19°C (66°F)105 mm (4.1 inches)79%very high
July Weather21°C (71°F)163 mm (6.4 inches)78%very high
August Weather20°C (69°F)116 mm (4.6 inches)76%very high
September Weather17°C (62°F)99 mm (3.9 inches)78%very high
October Weather11°C (52°F)155 mm (6.1 inches)84%high
November Weather3°C (37°F)102 mm (4.0 inches)89%moderate
December Weather-1°C (30°F)102 mm (4.0 inches)86%low

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