October Weather in Brookline, United States

Last updated: June 24, 2025

In October, the average temperature in Brookline, United States hovers around 14°C (57°F), with minimums dipping to 0°C (33°F) and maximums reaching up to 27°C (81°F). Expect 149 mm (5.9 in) of precipitation over approximately 12 days, accompanied by an average humidity level of 78%. Embrace the dynamic weather as you plan your visit!

October Temperature in Brookline

In October in Brookline, the average temperature is 14°C (57°F). Maximums can reach 27°C (81°F), while minimums can drop as low as 0°C (33°F). This mix of mild and cool temperatures makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates October temperature patterns in Brookline, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brookline, October typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (81°F) and lows dropping to around 0°C (33°F).

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

October Precipitation in Brookline

In Brookline in October, the precipitation amount is 149 mm (5.9 in) spread over 12 days.

October Precipitation Trends in Brookline

The chart displays monthly precipitation patterns in Brookline, 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 Brookline, October typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 12 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 Brookline

In Brookline in October, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

October Average Humidity in Brookline

This chart illustrates the average monthly humidity levels in Brookline, 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 Brookline is approximately 78%, 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 Brookline

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

Maximum UV Index Levels in Brookline for October

The chart shows the monthly maximum UV Index (UVI) for Brookline 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 Brookline typically reaches 6, which falls under the high exposure category.

Data source: Brookline 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 Brookline Compares to Other Months

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

This table compares monthly weather conditions in Brookline, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	79 mm (3.1 inches)	86%	moderate
February Weather	1°C (34°F)	97 mm (3.8 inches)	84%	moderate
March Weather	3°C (38°F)	102 mm (4.0 inches)	82%	moderate
April Weather	9°C (48°F)	135 mm (5.3 inches)	80%	very high
May Weather	14°C (58°F)	94 mm (3.7 inches)	72%	very high
June Weather	19°C (67°F)	86 mm (3.4 inches)	72%	very high
July Weather	23°C (73°F)	115 mm (4.5 inches)	67%	very high
August Weather	23°C (73°F)	76 mm (3.0 inches)	66%	very high
September Weather	19°C (67°F)	92 mm (3.6 inches)	71%	high
October Weather	14°C (57°F)	149 mm (5.9 inches)	78%	high
November Weather	7°C (44°F)	100 mm (3.9 inches)	84%	moderate
December Weather	2°C (36°F)	124 mm (4.9 inches)	81%	low