Climate and monthly weather forecastBrattleboro, VT
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
Throughout the year, there are 91.5 rainfall days, and 7.8" (198mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall in Brattleboro, Vermont. Snow falls for 6.9 days and accumulates 1.81" (46mm) of snow.
Throughout the year, there are 28.8 snowfall days, and 7.17" (182mm) of snow is accumulated.
With an average relative humidity of 85%, February is the most humid month.
With an average of 4.4h of sunshine, February has the least sunshine of the year.
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.
April is the least humid month, with an average relative humidity of 74%.
May through September are months without snowfall.
The months with the highest UV index are May through August, with an average maximum UV index of 5.
The month with the longest days is June, with an average of 15h and 18min of daylight.
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).
With an average of 10.3h of sunshine, August has the most sunshine of the year.
September is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.43" (11mm) of precipitation.
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.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
The month with the lowest UV index is December, with an average maximum UV index of 1.
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 in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
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 in January:
7.8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.4mph
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
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 in January:
0.59" - Average rainfall in February:
0.59" - Average rainfall in March:
0.51" - Average rainfall in April:
0.67" - Average rainfall in May:
0.71" - Average rainfall in June:
0.63"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.51" - Average rainfall in September:
0.43" - Average rainfall in October:
0.75" - Average rainfall in November:
0.87" - Average rainfall in December:
0.75"
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 in January:
4.3 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
9.4 days - Average rainfall days in May:
10 days - Average rainfall days in June:
9.7 days
- Average rainfall days in July:
9.8 days - Average rainfall days in August:
8.4 days - Average rainfall days in September:
6.8 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
6 days - Average rainfall days in December:
6.6 days
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
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 in January:
6.9 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
4.8 days
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 in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
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 in January:
21.9 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
20.2 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
18.5 days - Average sunshine days in June:
18.3 days
- Average sunshine days in July:
17.6 days - Average sunshine days in August:
19.6 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
21.2 days
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
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 cloud cover
Brattleboro, VT
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
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).
