Climate and monthly weather forecast
Brockton, MA

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The climate of Brockton

Brockton, a city in Massachusetts, USA, experiences a humid continental climate, classified as Dfa under the Köppen climate classification. This essentially translates into no dry season with hot summers. The yearly climate in Brockton witnesses a significant shift in temperatures, rainfall and other meteorological parameters.

Over the span of a year, temperature fluctuations in this city are considerable. High temperatures reach their zenith of 81.9°F (27.7°C) in July and dip to a chilly low of 34.5°F (1.4°C) in January. Correspondingly, low temperatures also follow this pattern, from a balmy 64°F (17.8°C) in July down to a crisp 22.8°F (-5.1°C) in January.

As for the humidity, it remains nearly constant year-round, hovering between 71% to 78%. Rainfall is well spread throughout the year, with November realizing the highest precipitation at 3.11" (79mm) and August the least at 1.85" (47mm). Snowfall primarily blankets the city between December to March, with February recording the maximum average of 4.17" (106mm).

Sunshine hours vary quite dramatically across the year. From a high of 15.2 hours in June, daylight hours reduce to their minimum of 9 hours in December. In sync with the daylight, the sunshine duration also sees a change from a maximum of 10.2 hours in August to a minor 4.7 hours in December. Summarily, the city of Brockton has an interesting mix of climatic factors, varying quite a bit in their values.

The best time to visit Brockton

When exploring Brockton, Massachusetts, the best time to visit might be during the warm summer months, specifically, between June and August. These months are characterized by high temperatures from 74.7°F (23.7°C) to 81.9°F (27.7°C) and low temperatures from 56.8°F (13.8°C) to 64°F (17.8°C). Visitors looking to soak up the sun would find this period most favorable as the sunshine duration peaks at 10.2 hours in August. While rainfall is relatively evenly distributed throughout the year, June through August receive slightly less rainfall and experience warmer temperatures, making it a pleasant time for outdoor activities.

The worst time to visit Brockton

Planning a visit to Brockton may prove less enjoyable during the winter months from December to February. These months promise cold temperatures, with highs ranging from 34.5°F (1.4°C) to 44.2°F (6.8°C), and lows lingering in the range of 22.8°F (-5.1°C) to 30.7°F (-0.7°C). Snowfall is prevalent during these months, there is a higher probability of inclement weather. Adding the shorter daylight hours and a restrained sunshine duration, the wintry conditions can impose constraints on outdoor activities.

Spring weather in Brockton

Brockton's spring season, from March to May, is accompanied by a gradual rise in temperature. High temperatures rise from 44.2°F (6.8°C) to 66.7°F (19.3°C) while the low temperatures escalate from 30.7°F (-0.7°C) to 49.6°F (9.8°C). Rainfall during these months show slight variation, with March receiving the highest average rainfall of 2.95" (75mm). March also has the maximum number of rainy days at, on average, 11 days.

Summer weather in Brockton

Brockton's summer, spanning from June to August, is noted for its warm temperatures and ample sunshine. High temperatures range from 74.7°F (23.7°C) to 81.9°F (27.7°C) while the lows vary from 56.8°F (13.8°C) to 64°F (17.8°C). As for rain, June and July receive 2.28" (58mm) each, while August sees a slight drop with 1.85" (47mm).

Autumn weather in Brockton

As autumn rolls in, from September to November, Brockton faces a distinct drop in temperatures. High temperatures reduce from 73°F (22.8°C) to 50.4°F (10.2°C) while the lows decline from 56.3°F (13.5°C) to 37.4°F (3°C). Rainfall increases towards November, where it peaks at 3.11" (79mm). Sunshine hours and daylight both take a noticeable hit during this season as well.

Winter weather in Brockton

Winter in Brockton, from December to February, ensures cold temperatures and regular snow showers. High temperatures fall in the range from 34.5°F (1.4°C) to 44.2°F (6.8°C), and low temperatures vary from a chilly 22.8°F (-5.1°C) to 30.7°F (-0.7°C). February records the highest snowfall with an average depth of 4.17" (106mm). With limited daylight hours of around 9.2 in December to 10.6 in February, and reduced sunshine duration of 4.7 hours in December to 4.6 hours in February, winter emerges as the coldest as well as the coldest season in Brockton.

Weather in January

The beginning of the year in Brockton, Massachusetts, sees mostly cloudy and extremely cold conditions. The lowest temperatures of the year are experienced during this time making January the coldest month, with the mercury dropping to a chilly 22.8°F (-5.1°C). Weather in January »

Weather in February

February continues the cold trend of its predecessor with a slight increase in temperatures, but still maintaining a typical winter climate. This month experiences the highest snowfall annually, recording 3.66" (93mm). The icy conditions of February are accompanied by occassional high-force winds that accentuate the cold climate. Weather in February »

Weather in March

By March, the weather shows signs of a slow transition from winter to spring. Taking over from February, March sees a rise in temperatures and clearer skies, while the amount of snowfall also significantly drops. As the month progresses, the snowy landscape of Brockton begins to thaw, giving way to wetter conditions. Weather in March »

Weather in April

The arrival of April signals the definitive end of the snow season, with a steep decline in snowfall to a mere 0.79" (20mm). Comparatively, a warmer climate takes over as the average temperature rises. The city of Brockton welcomes spring, evident in the flourishing greens, budding flowers, and an increase in rainfall. Weather in April »

Weather in May

May is characterized by a significant improvement in weather conditions, making it an enjoyable month in Brockton. The average temperatures further escalate, yet remain pleasant courtesy of the increased rainfall measuring 2.01" (51mm). Weather in May »

Weather in June

June marks the onset of summer in Brockton, Massachusetts, with a rise in temperatures. The heat is kept in check by the mild wind speed of 6.8mph (10.9km/h) and high rainfall of 2.28" (58mm), maintaining a balance with the rising temperatures. Weather in June »

Weather in July

Right in the heart of summer, July experiences the peak of heat in Brockton. Temperatures maximize, reaching an average high of 81.9°F (27.7°C); the warmest of any point throughout the year. Despite the scorching heat, the days are filled with the most amount of sunlight annually. Weather in July »

Weather in August

Heading toward the close of summer, August retains July's warm weather with a slight dip in temperatures. Taking pride in the highest amount of sunshine hours at 10.2, August promises plenty of bright and sunny days. Despite the slight decrease in temperatures, the heat of summer is still very present. Weather in August »

Weather in September

As September arrives, Brockton experiences a noticeable shift in weather, signaling the onset of autumn. The fall climate gradually sets in and temperatures begin to cool down. Rainfall experiences a decline to 1.42" (36mm) thereby making way for drier conditions. Weather in September »

Weather in October

October in Brockton is a stark contrast to the summer months, marked by considerably cooler weather and increased rainfall amounting to 2.72" (69mm). The vivid fall colors paint the town, making it a sight to behold. With the transition of seasons, the city experiences a drop in temperature, complemented by refreshing autumnal breezes. Weather in October »

Weather in November

The arrival of November marks a definitive shift towards colder weather in Brockton. While the winter chill begins to permeate the air, the city witnesses the return of snowfall, albeit at a minimal 0.67" (17mm) on average. Simultaneously, the shortened daylight hours and a drastic drop in temperatures signify the impending arrival of winter. Weather in November »

Weather in December

December in Brockton concludes the year with a blast of wintry weather, characterized by distinctive cold temperatures and the highest monthly rainfall, measuring 3.11" (79mm). Snowfall increases significantly from the previous month, kicking off the winter season in full swing. Weather in December »
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is the coldest month, exhibiting average temperatures of 34.5°F (1.4°C) at the peak and 22.8°F (-5.1°C) at the base.

How much does it rain?

Throughout the year, there are 144.9 rainfall days, and 28.98" (736mm) of precipitation is accumulated.

When does it snow?

January through May, November and December are months with snowfall in Brockton.

How much does it snow?

In Brockton, Massachusetts, during the entire year, snow falls for 27.4 days and aggregates up to 15" (381mm) of snow.

What are the months with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in Brockton?

With an average relative humidity of 78%, February is the most humid month.

What is the month with the least sunshine?

The month with the least sunshine in Brockton, Massachusetts, is February, with an average of 4.6h of sunshine.

When does it snow the most?

The month with the most snowfall is March, when snow falls for 6.4 days and typically aggregates up to 4.17" (106mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month?

April is the least humid month, with an average relative humidity of 71%.

When it does not snow?

In Brockton, snow does not fall in June through October.

When are the longest days?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the hottest time of year?

July is the month when Brockton experiences its warmest temperatures, averaging a high of 81.9°F (27.7°C) and a low of 64°F (17.8°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.42" (36mm) of precipitation.

What is the rainiest month in Brockton?

December is the month with the most rainfall. Rain falls for 10.4 days and accumulates 3.11" (79mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

Average temperature
Brockton, MA

Average temperature - Brockton, MA

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.5°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure
Brockton, MA

Average pressure - Brockton, MA

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Brockton, MA

Average wind speed - Brockton, MA

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity
Brockton, MA

Average humidity - Brockton, MA

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (71%).

Average rainfall
Brockton, MA

Average rainfall - Brockton, MA

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days
Brockton, MA

Average rainfall days - Brockton, MA

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (7.8 days).

Average snowfall
Brockton, MA

Average snowfall - Brockton, MA

The month with the highest snowfall is March (4.17").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Brockton, MA

Average snowfall days - Brockton, MA

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Brockton, MA

Average daylight / Average sunshine - Brockton, MA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days
Brockton, MA

Average sunshine days - Brockton, MA

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (13.1 days).

Average UV index
Brockton, MA

Average UV index - Brockton, MA

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Brockton, MA

Average visibility - Brockton, MA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Brockton, Massachusetts, USA

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