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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 pleasant 20°C (69°F). However, be prepared for a notable range; temperatures can drop to a chilly 0°C (33°F) or soar to a sweltering 37°C (100°F). During this month, expect around 115 mm (4.5 in) of precipitation, typically spread over 9 days, and a significant average humidity level of 70%.

October Temperature in Chatham

In October, in Chatham, the average temperature is 20°C (69°F). Maximums can reach 37°C (100°F), while minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures to ensure a comfortable travel experience.

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 20°C (69°F), with highs reaching up to 37°C (100°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec495261657480838279685652
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 precipitation amount is 115 mm (4.5 in) over the course of 9 days, indicating a relatively wet period for the region.

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 115 mm (4.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec110180125160138122971269011581128
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 70%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapped around you, making outdoor activities a bit challenging but also an opportunity to enjoy refreshing drinks and shaded spots while exploring the vibrant surroundings.

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 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110864
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 Weather9°C (49°F)110 mm (4.3 inches)82%moderate
February Weather11°C (53°F)180 mm (7.1 inches)80%high
March Weather16°C (62°F)125 mm (4.9 inches)78%very high
April Weather18°C (65°F)160 mm (6.3 inches)79%extreme
May Weather24°C (75°F)138 mm (5.4 inches)81%extreme
June Weather27°C (80°F)122 mm (4.8 inches)77%extreme
July Weather28°C (83°F)97 mm (3.8 inches)72%extreme
August Weather28°C (83°F)125 mm (4.9 inches)65%extreme
September Weather26°C (79°F)90 mm (3.5 inches)63%very high
October Weather20°C (69°F)115 mm (4.5 inches)70%very high
November Weather13°C (56°F)81 mm (3.2 inches)82%high
December Weather11°C (53°F)128 mm (5.0 inches)88%moderate

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