October Weather in Cohasset, United States

Last updated: June 24, 2025

In October, the average temperature in Cohasset, United States hovers around 15°C (60°F). Expect a range that swings from a chilly 2°C (35°F) to a warm 35°C (95°F). With an average humidity of 65%, the weather can feel quite damp. Be prepared for precipitation of 58 mm (2.3 in) over approximately 3 days, adding a bit of moisture to the air.

October Temperature in Cohasset

In October in Cohasset, the average temperature is 15°C (60°F). Maximums can reach 35°C (95°F), and minimums can drop as low as 2°C (35°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates October temperature patterns in Cohasset, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cohasset, October typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).

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

October Precipitation in Cohasset

In Cohasset in October, the total precipitation amount is 58 mm (2.3 in) over a period of 3 days.

October Precipitation Trends in Cohasset

The chart displays monthly precipitation patterns in Cohasset, 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 Cohasset, October typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Cohasset

In Cohasset in October, humidity is 65%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket wrapped around you, making it a bit muggy for traveling but still comfortable enough to enjoy outdoor activities.

October Average Humidity in Cohasset

This chart illustrates the average monthly humidity levels in Cohasset, 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 Cohasset is approximately 65%, 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 Cohasset

In Cohasset 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 Cohasset.

Maximum UV Index Levels in Cohasset for October

The chart shows the monthly maximum UV Index (UVI) for Cohasset 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 Cohasset typically reaches 7, which falls under the high exposure category.

Data source: Cohasset 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 Cohasset Compares to Other Months

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

This table compares monthly weather conditions in Cohasset, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	200 mm (7.9 inches)	84%	moderate
February Weather	7°C (46°F)	206 mm (8.1 inches)	84%	moderate
March Weather	9°C (48°F)	177 mm (7.0 inches)	83%	high
April Weather	13°C (56°F)	90 mm (3.6 inches)	81%	very high
May Weather	17°C (63°F)	62 mm (2.4 inches)	74%	extreme
June Weather	23°C (73°F)	15 mm (0.6 inches)	64%	extreme
July Weather	27°C (81°F)	2 mm (0.1 inches)	44%	extreme
August Weather	26°C (78°F)	4 mm (0.2 inches)	36%	very high
September Weather	21°C (71°F)	15 mm (0.6 inches)	44%	very high
October Weather	15°C (60°F)	58 mm (2.3 inches)	65%	high
November Weather	10°C (50°F)	107 mm (4.2 inches)	84%	moderate
December Weather	6°C (43°F)	154 mm (6.1 inches)	83%	moderate