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October Weather in Deerfield, United States

Last updated: June 24, 2025

In October, the average temperature in Deerfield, United States hovers around 7°C (46°F). Expect fluctuations, with minimum temperatures dipping to -8°C (17°F) and peaking at 24°C (75°F). Be prepared for some rain, as 146 mm (5.8 in) of precipitation is expected over 14 days. Don't forget to embrace the high moisture levels, as the average humidity sits at a cozy 85%!

October Temperature in Deerfield

In October in Deerfield, the average temperature is 7°C (46°F), with maximums reaching 24°C (75°F) and minimums dropping to -8°C (17°F). It's essential to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates October temperature patterns in Deerfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deerfield, October typically has an average temperature of 7°C (46°F), with highs reaching up to 24°C (75°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec161925385261666457453020
Data source: Temperature data for Deerfield 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 Deerfield

In Deerfield in October, the total precipitation amount is 146 mm (5.8 in) spread out over 14 days.

October Precipitation Trends in Deerfield

The chart displays monthly precipitation patterns in Deerfield, 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 Deerfield, October typically receives around 146 mm (5.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec92928213611112013911274147123112
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Deerfield

In Deerfield in October humidity is 85%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is.

October Average Humidity in Deerfield

This chart illustrates the average monthly humidity levels in Deerfield, 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 Deerfield is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Deerfield

In Deerfield 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 Deerfield.

Maximum UV Index Levels in Deerfield for October

The chart shows the monthly maximum UV Index (UVI) for Deerfield 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 Deerfield typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997532
Data source: Deerfield 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 Deerfield Compares to Other Months

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

This table compares monthly weather conditions in Deerfield, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)91 mm (3.6 inches)91%low
February Weather-7°C (19°F)92 mm (3.6 inches)89%moderate
March Weather-4°C (26°F)82 mm (3.2 inches)85%high
April Weather3°C (39°F)136 mm (5.4 inches)84%very high
May Weather11°C (52°F)110 mm (4.4 inches)78%very high
June Weather16°C (61°F)120 mm (4.7 inches)72%very high
July Weather19°C (66°F)139 mm (5.5 inches)75%very high
August Weather18°C (64°F)112 mm (4.4 inches)74%very high
September Weather14°C (57°F)74 mm (2.9 inches)77%high
October Weather7°C (46°F)146 mm (5.8 inches)85%moderate
November Weather-1°C (31°F)123 mm (4.8 inches)86%moderate
December Weather-6°C (21°F)112 mm (4.4 inches)85%low

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