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October Weather in Cohasset, United States

Last updated: June 24, 2025

In October, the average temperature in Cohasset, United States is a pleasant 14°C (58°F), with daily variations ranging from a minimum of 3°C (37°F) to a comfortable maximum of 23°C (73°F). Be prepared for some rain, as the area typically sees 182 mm (7.2 in) of precipitation over 12 days, contributing to an average humidity of 78%.

October Temperature in Cohasset

In October in Cohasset, the average temperature is 14°C (58°F). The maximum can reach 23°C (73°F), and the minimum can be as low as 3°C (37°F). It's advisable to pack layers to stay comfortable while exploring the diverse weather conditions.

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 14°C (58°F), with highs reaching up to 23°C (73°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343537455363707065574638
Data source: Temperature data for Cohasset 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 Cohasset

In Cohasset in October, the precipitation amount is 182 mm (7.2 in) over the course of 12 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 182 mm (7.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec971221181591109410467107182115147
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Cohasset

In Cohasset in October, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Cohasset, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997642
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)97 mm (3.8 inches)86%low
February Weather2°C (35°F)122 mm (4.8 inches)84%moderate
March Weather3°C (38°F)118 mm (4.7 inches)82%moderate
April Weather7°C (45°F)159 mm (6.3 inches)80%very high
May Weather12°C (54°F)110 mm (4.3 inches)72%very high
June Weather17°C (63°F)94 mm (3.7 inches)72%very high
July Weather21°C (70°F)104 mm (4.1 inches)67%very high
August Weather21°C (71°F)66 mm (2.6 inches)66%very high
September Weather19°C (66°F)107 mm (4.2 inches)71%high
October Weather14°C (58°F)182 mm (7.2 inches)78%high
November Weather8°C (46°F)115 mm (4.5 inches)84%moderate
December Weather3°C (38°F)147 mm (5.8 inches)81%low

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