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October Weather in Deerfield, United States

Last updated: June 24, 2025

In Deerfield, United States, the average temperature in October hovers around 13°C (55°F). You can expect a range from a chilly -8°C (17°F) to a warm 34°C (94°F). During this month, precipitation totals about 39 mm (1.6 in) over roughly 4 days, while the average humidity sits at a comfortable 75%. Get ready for a mix of weather as you plan your activities!

October Temperature in Deerfield

In October in Deerfield, the average temperature is 13°C (55°F), with maximums reaching 34°C (94°F) and minimums dropping as low as -8°C (17°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential to enjoy all that Deerfield has to offer.

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 13°C (55°F), with highs reaching up to 34°C (94°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec333446536376797671554537
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 precipitation amount is 39 mm (1.6 in) over a span of 4 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 39 mm (1.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1617474111250466742391018
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 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%65%67%81%82%82%84%79%75%79%83%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45710111212119753
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 Weather1°C (33°F)16 mm (0.6 inches)74%moderate
February Weather1°C (34°F)17 mm (0.7 inches)77%moderate
March Weather8°C (46°F)47 mm (1.9 inches)65%high
April Weather12°C (54°F)41 mm (1.6 inches)67%very high
May Weather17°C (63°F)112 mm (4.4 inches)81%extreme
June Weather24°C (76°F)50 mm (2.0 inches)82%extreme
July Weather26°C (79°F)46 mm (1.8 inches)82%extreme
August Weather25°C (77°F)67 mm (2.6 inches)84%extreme
September Weather22°C (71°F)42 mm (1.7 inches)79%very high
October Weather13°C (55°F)39 mm (1.6 inches)75%high
November Weather7°C (45°F)10 mm (0.4 inches)79%moderate
December Weather3°C (37°F)18 mm (0.7 inches)83%moderate

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