Climate averages 1991–2020

Brockton weather
in October.

A mild, wet month: the 6th warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 16.0°C Daytime mean, October
Average low 8.9°C Night-time mean, October
Rainfall 104 mm 9 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Brockton · average highYear overview

October is a mild month in Brockton: daytime highs average 16.0°C and nights cool to about 8.9°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 104 mm of rain on roughly 9 days, which makes October a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 07 min on an average October day.

The nearest other city in this atlas is Quincy (19 km away). In October its highs average 15.9°C, about as warm as Brockton, with 108 mm of rain.

Among the 498 cities listed in the United States, Brockton ranks joint 411th of 498 for the warmest October highs and joint 437th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Brockton is 5.3°C cooler than that mean.

From October to November, average highs fall by 5.8°C to 10.2°C, and monthly rainfall falls from 104 mm to 91 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Brockton climate table

1991–2020
Monthly climate averages for Brockton, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 2.2°C-5.4°C-5.4°C929.79.59 h
February 3.4°C-4.7°C-4.7°C819.110.511 h
March 6.9°C-1.2°C-1.2°C11211.111.912 h
April 12.9°C4.2°C4.2°C9511.213.313 h
May 18.4°C9.7°C9.7°C7710.614.515 h
June 23.6°C15.1°C15.1°C869.715.215 h
July 27.1°C18.7°C18.7°C779.914.915 h
August 26.2°C18.2°C18.2°C899.613.914 h
September 22.1°C14.7°C14.7°C898.112.513 h
October, selected 16.0°C8.9°C8.9°C1049.411.111 h
November 10.2°C3.4°C3.4°C918.99.910 h
December 5.1°C-1.6°C-1.6°C11010.69.29 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Brockton

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Brockton) is explained once on the Brockton year overview and on the Sources, method and limits page.