October Weather in Chatham, United States

Last updated: June 24, 2025

In Chatham, United States, the average temperature in October hovers around 12°C (54°F). Expect a wide range, with minimums dipping to -5°C (24°F) and maximums reaching up to 26°C (79°F). Rain is common, with an average precipitation of 136 mm (5.4 in) spread across 11 days, while the humidity levels maintain a notable 81%.

October Temperature in Chatham

In October in Chatham, the average temperature is 12°C (54°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -5°C (24°F). Pack accordingly to enjoy your trip, as you may experience a wide range of temperatures!

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 12°C (54°F), with highs reaching up to 26°C (79°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Chatham generated using information from the Copernicus Climate Change Service.

October Precipitation in Chatham

In Chatham in October, the total precipitation amount reaches 136 mm (5.4 in) over the course of 11 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 136 mm (5.4 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Chatham

In Chatham in October humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your 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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	73 mm (2.9 inches)	89%	moderate
February Weather	-1°C (30°F)	89 mm (3.5 inches)	88%	moderate
March Weather	2°C (36°F)	81 mm (3.2 inches)	86%	high
April Weather	8°C (47°F)	121 mm (4.8 inches)	84%	very high
May Weather	15°C (58°F)	107 mm (4.2 inches)	76%	very high
June Weather	20°C (68°F)	75 mm (3.0 inches)	72%	very high
July Weather	23°C (73°F)	114 mm (4.5 inches)	66%	very high
August Weather	22°C (72°F)	92 mm (3.6 inches)	64%	very high
September Weather	18°C (65°F)	100 mm (3.9 inches)	72%	high
October Weather	12°C (54°F)	136 mm (5.4 inches)	81%	high
November Weather	4°C (40°F)	95 mm (3.7 inches)	87%	moderate
December Weather	0°C (32°F)	99 mm (3.9 inches)	84%	low