Climate and monthly weather forecast
Brattleboro, VT

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A hilly landscape in Brattleboro, Vermont, with scenic light green vegetation around the old buildings and cascades
A hilly landscape in Brattleboro, Vermont, with scenic light green vegetation around the old buildings and cascades

The climate of Brattleboro

Brattleboro, a small town in Vermont, USA, is characterized by a Humid Continental climate, as indicated by the Köppen Climate Classification designating it as Dfb. This type of climatic conditions implies the presence of no dry season and a warm summer, abutting the majestic Connecticut River and New Hampshire border.

The monthly average temperatures in Brattleboro vary from 15.1°F (-9.4°C) to 79.7°F (26.5°C). Peak summer months, from June to August, register maximum temperatures between 73.4°F (23°C) to 79.7°F (26.5°C) and minimum temperatures from 52.3°F (11.3°C) to 58.8°F (14.9°C). The winter, spanning from December to February, on the other hand, witnesses a temperature dip with highs from 27.9°F (-2.3°C) to 39.2°F (4°C) and lows ranging from 15.1°F (-9.4°C) to 24.3°F (-4.3°C).

The town also exhibits noticeable variations in humidity levels throughout the year, with August registering the lowest level of 76% and February recording the peak at 85%. Monthly rainfall ranges from 0.43" (11mm) to 0.87" (22mm), with November experiencing the highest precipitation. The number of rainfall days varies from 4.3 days in February to 10 days in May.

Unique weather conditions manifest in the form of snowfall, occurring predominantly between December and February, with an intensity ranging from 0.75" (19mm) to 1.81" (46mm). December reports the maximum number of snowfall days of 4.8 days.

The best time to visit Brattleboro

The optimal time to set foot in Brattleboro commences in May and extends until October. During this period, the daytime temperatures generally stay between a comfortable 52.5°F (11.4°C) to 79.7°F (26.5°C). The amount of sunshine available stands from 8.2 hours to 10.3 hours per day, creating the ideal setting for outdoor activities or city exploration. Moreover, rainfall figures remain relatively moderate, with values fluctuating between 0.63" (16mm) to 0.79" (20mm) across these months.

The worst time to visit Brattleboro

Plan a travel to Brattleboro from December to February might be less appealing due to cold climatic conditions. The average temperature high during these months stays between 27.9°F (-2.3°C) and 39.2°F (4°C), making outdoor ventures considerably more challenging. Along with the biting cold, the snowfall adds to the severity of the weather, with December receiving snowfall of 1.3" (33mm).

Spring weather in Brattleboro

Witnessing spring in Brattleboro, from March to May, translates into a transitional phase from the chilling winters to the moderately warm summer. The temperatures during these months escalate from an average high of 39.2°F (4°C) in March to 65.8°F (18.8°C) in May, whereas the average lows climb from 24.3°F (-4.3°C) to 45.5°F (7.5°C). The amount of daily sunshine also increases from 6 hours in March to 8.7 hours in May.

Summer weather in Brattleboro

Summer in Brattleboro between June and August is marked by warmer temperatures coupled with considerable rainfall. The maximum temperature during this season fluctuates from 73.4°F (23°C) to 79.7°F (26.5°C), while the minimum temperature ranges from 52.3°F (11.3°C) to 58.8°F (14.9°C). Additionally, precipitation amounts peak in July with 0.79" (20mm) rainfall recorded.

Autumn weather in Brattleboro

The advent of autumn in September experiences a mild dip in the temperature from 70.2°F (21.2°C) at September start to 44.4°F (6.9°C) by November end. The decrease in temperature is also reflected in the minimum values, which plunge from 50.9°F (10.5°C) to 31.1°F (-0.5°C). Autumn also witnesses a remarkable decrease in the day’s length from 12.5 hours to 9.8 hours.

Winter weather in Brattleboro

Winter months in Brattleboro, from December to February, are characterized by low temperatures, ample snowfall, and reduced daylight. The daytime highs dwell between 27.9°F (-2.3°C) and 33.4°F (0.8°C), whereas the lows vary between 15.1°F (-9.4°C) and 22.6°F (-5.2°C). Snowfall can also be anticipated, especially in December, which sees 1.3" (33mm) of snow. Daylight is scarce too, with an average of merely 9.1 hours in December.

Weather in January

The weather in Brattleboro, Vermont, in January, sits in the cold range, characterized by frosty temperatures, plentiful cloud cover, and an occasional dash of snow. This month experiences highs averaging 27.9°F (-2.3°C) and lows descending to 15.1°F (-9.4°C). Weather in January »

Weather in February

February weather in Brattleboro, Vermont, mirrors that of January, albeit with slight nuances. February temperatures are slightly above January's, providing a hint of the forthcoming spring season. Snowfall levels experience a marginal decrease, leading to fewer troublesome travel conditions. Weather in February »

Weather in March

March in Brattleboro, Vermont, heralds the arrival of spring, bringing warmer temperatures and reduced levels of snowfall. This gradual increase in temperatures signifies an impending transition from winter to spring. The average high rises to 39.2°F (4°C) while the low records a reasonable 24.3°F (-4.3°C). Weather in March »

Weather in April

April weather in Brattleboro, Vermont, builds upon the warming trend set in motion by March. The characteristic snowfall of winter has now ceased, leading to clearer paths and driveways. Temperatures climb up to a comfortable range with a high achieving 52.5°F (11.4°C) and a low at 35.1°F (1.7°C). Weather in April »

Weather in May

May in Brattleboro, Vermont, embraces all things spring with warmer temperatures, blooming flora, and abundant sunshine. The city basks under sunshine for a sum of 8.7 hours a day. The average high temperature shoots up to a pleasing 65.8°F (18.8°C) and the low temperature rests at a bearable 45.5°F (7.5°C). Weather in May »

Weather in June

June brings a blast of summer energy to Brattleboro, Vermont, in the form of high temperatures, lengthened sunshine hours, and minimized snowfall. The temperatures comfortably settle into summertime levels with the high reaching 73.4°F (23°C) and the low recording 52.3°F (11.3°C). Weather in June »

Weather in July

July in Brattleboro, Vermont, holds the distinction of being the warmest month of the year. It displays peak summer conditions with hot temperatures, increased daylight hours, and a scarcity of snowfall. The high temperature peaks at a sizzling 79.7°F (26.5°C) and the low averages at a mellow 58.8°F (14.9°C). Weather in July »

Weather in August

August weather in Brattleboro, Vermont, echoes July's conditions but with a milder approach. The high temperatures start their descent from peak summer levels, indicating the onset of autumn. The average high and low temperatures drop slightly to 77.9°F (25.5°C) and 56.8°F (13.8°C), respectively. Weather in August »

Weather in September

In September, Brattleboro, Vermont, fully embraces autumn with cooler temperatures, diminishing daylight hours, and increased cloud cover. Temperature highs settle at an agreeable 70.2°F (21.2°C) and lows averaging 50.9°F (10.5°C), hinting at the impending winter. Weather in September »

Weather in October

October's weather in Brattleboro, Vermont, deepens the autumn experience with significantly cooler temperatures, shorter daylight hours, and a swift change in the city's color palette. Despite decreasing temperatures, with a high of 56.8°F (13.8°C) and a low reaching 41.7°F (5.4°C), October remains a season of breathtaking fall colors and crisp, clear skies. Weather in October »

Weather in November

The weather in November at Brattleboro, Vermont, initiates the slow yet definite transition from autumn to winter. November brings further drops in temperature, coupled with increased cloud cover and the re-emergence of snowfall. Weather in November »

Weather in December

December in Brattleboro, Vermont, marks the full swing of winter, dominating the scene with cold temperatures, dense cloud cover, and regular snowfall. The month experiences peak winter conditions, with high temperatures average at a chilly 33.4°F (0.8°C) and lows dropping to a freezing 22.6°F (-5.2°C). Weather in December »
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January, with its high-temperature average of 27.9°F (-2.3°C) and a low-temperature average of 15.1°F (-9.4°C), is the coldest month.

How many days does it rain?

Throughout the year, there are 91.5 rainfall days, and 7.8" (198mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through April, October through December.

When does it snow the most?

January is the month with the most snowfall in Brattleboro, Vermont. Snow falls for 6.9 days and accumulates 1.81" (46mm) of snow.

How much does it snow?

Throughout the year, there are 28.8 snowfall days, and 7.17" (182mm) of snow is accumulated.

What is the most humid month?

With an average relative humidity of 85%, February is the most humid month.

What is the month with the least sunshine?

With an average of 4.4h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Brattleboro?

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 74%.

When it does not snow?

May through September are months without snowfall.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

When are the longest days?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What are the warmest months?

July is Brattleboro's warmest month, registering average high temperatures of 79.7°F (26.5°C) and lows of 58.8°F (14.9°C).

What month has the most sunshine?

With an average of 10.3h of sunshine, August has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.43" (11mm) of precipitation.

What is the wettest month?

The month with the most rainfall in Brattleboro is November, when the rain falls for 6 days and typically aggregates up to 0.87" (22mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

Average temperature
Brattleboro, VT

Average temperature - Brattleboro, VT

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure
Brattleboro, VT

Average pressure - Brattleboro, VT

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Brattleboro, VT

Average wind speed - Brattleboro, VT

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity
Brattleboro, VT

Average humidity - Brattleboro, VT

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall
Brattleboro, VT

Average rainfall - Brattleboro, VT

The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days
Brattleboro, VT

Average rainfall days - Brattleboro, VT

The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).

Average snowfall
Brattleboro, VT

Average snowfall - Brattleboro, VT

The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Brattleboro, VT

Average snowfall days - Brattleboro, VT

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Brattleboro, VT

Average daylight / Average sunshine - Brattleboro, VT

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days
Brattleboro, VT

Average sunshine days - Brattleboro, VT

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).

Average UV index
Brattleboro, VT

Average UV index - Brattleboro, VT

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average visibility
Brattleboro, VT

Average visibility - Brattleboro, VT

The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).

Brattleboro, Vermont, USA

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