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October Weather in Chatham, United States

Last updated: June 24, 2025

In October, the average temperature in Chatham, United States is a mild 14°C (58°F). Weather can be quite variable, with minimums dipping to -4°C (25°F) and maximums soaring to 32°C (90°F). Expect a bit of wetness as well, with an average precipitation of 102 mm (4.0 in) spread over 10 days. Overall, you'll experience a comfortable atmosphere with an average humidity level of 79%.

October Temperature in Chatham

In October in Chatham, the average temperature is 14°C (58°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -4°C (25°F). This wide range means travelers should be prepared for varying weather conditions, ensuring a comfortable experience no matter the temperature.

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

The chart illustrates October temperature patterns in Chatham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chatham, October typically has an average temperature of 14°C (58°F), with highs reaching up to 32°C (90°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244536575777471574236
Data source: Temperature data for Chatham 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 Chatham

In Chatham in October, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.

October Precipitation Trends in Chatham

The chart displays monthly precipitation patterns in Chatham, 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 Chatham, October typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec686913613114412711088601026951
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Chatham

In Chatham in October, humidity is 79%. With an average temperature of 14°C (58°F), this humidity feels like an oppressive blanket wrapped around you, making even the mild temperatures feel heavier and more stifling for traveling.

October Average Humidity in Chatham

This chart illustrates the average monthly humidity levels in Chatham, 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 Chatham is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Chatham

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

Maximum UV Index Levels in Chatham for October

The chart shows the monthly maximum UV Index (UVI) for Chatham 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 Chatham typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111198643
Data source: Chatham 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 Chatham Compares to Other Months

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

This table compares monthly weather conditions in Chatham, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)68 mm (2.7 inches)84%moderate
February Weather0°C (32°F)69 mm (2.7 inches)82%moderate
March Weather6°C (44°F)136 mm (5.4 inches)84%high
April Weather11°C (53°F)130 mm (5.1 inches)83%very high
May Weather19°C (66°F)144 mm (5.7 inches)80%very high
June Weather24°C (75°F)126 mm (5.0 inches)83%extreme
July Weather25°C (78°F)110 mm (4.3 inches)82%extreme
August Weather24°C (75°F)87 mm (3.4 inches)82%very high
September Weather22°C (71°F)60 mm (2.4 inches)79%very high
October Weather14°C (58°F)102 mm (4.0 inches)79%high
November Weather5°C (42°F)69 mm (2.7 inches)88%moderate
December Weather2°C (36°F)50 mm (2.0 inches)87%moderate

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