May 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

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). The presence of moderate rainfall enriches the greenery, while the outdoors become increasingly inviting. The weather pattern in May blends warmth, light, and moisture, announcing the commencement of the summer season.

Temperature

The arrival of May in Brattleboro brings an increase in high-temperatures, moving from a fresh 52.5°F (11.4°C) in April to a comfortable 65.8°F (18.8°C). Throughout the nights in May, Brattleboro experiences an average low-temperature of 45.5°F (7.5°C).

Humidity

In Brattleboro, the average relative humidity in May is 75%.

Rainfall

In May, the rain falls for 10 days. Throughout May, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 91.5 rainfall days, and 7.8" (198mm) of precipitation is accumulated.

Snowfall

In Brattleboro, snow does not fall in May through September.

Daylight

In Brattleboro, the average length of the day in May is 14h and 40min.
On the first day of May in Brattleboro, Vermont, sunrise is at 5:43 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:21 pm EDT.

Sunshine

In Brattleboro, Vermont, the average sunshine in May is 8.7h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Brattleboro. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the average May temperature in Brattleboro?

In May, in Brattleboro, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 45.5°F (7.5°C).

What is the average humidity in May in Brattleboro?

The average relative humidity in May in Brattleboro is 75%.

How many days does it rain in May in Brattleboro?

In May, in Brattleboro, Vermont, the rain falls for 10 days. Throughout May, 0.71" (18mm) of precipitation is accumulated.

When it does not snow in Brattleboro?

May through September are months without snowfall.

Does it snow in Brattleboro in May?

In May, in Brattleboro, Vermont, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Brattleboro have in May?

In May, the average day length in Brattleboro is 14h and 40min.

When is the sunrise / sunset in May in Brattleboro?

On the first day of May in Brattleboro, Vermont, sunrise is at 5:43 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:21 pm EDT.

How long on average sun shines in May in Brattleboro?

The average sunshine duration in May in Brattleboro, Vermont, is 8.7h.

What are the months with the highest UV index in Brattleboro?

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

What is the UV index intensity in May in Brattleboro?

The average daily maximum UV index in May in Brattleboro is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Brattleboro, VT

Average temperature in May - Brattleboro, VT
  • Average high temperature in May: 65.8°F

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).

  • Average low temperature in May: 45.5°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).

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Average pressure in May
Brattleboro, VT

Average pressure in May - Brattleboro, VT
  • Average pressure in May: 30"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).

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Average wind speed in May
Brattleboro, VT

Average wind speed in May - Brattleboro, VT
  • Average wind speed in May: 6.3mph

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).

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Average humidity in May
Brattleboro, VT

Average humidity in May - Brattleboro, VT
  • Average humidity in May: 75%

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

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Average rainfall in May
Brattleboro, VT

Average rainfall in May - Brattleboro, VT
  • Average rainfall in May: 0.71"

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

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Average rainfall days in May
Brattleboro, VT

Average rainfall days in May - Brattleboro, VT
  • Average rainfall days in May: 10 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).

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Average snowfall in May
Brattleboro, VT

Average snowfall in May - Brattleboro, VT
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Brattleboro, VT

Average snowfall days in May - Brattleboro, VT
  • Average snowfall days in May: 0.1 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).

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Average daylight in May /
Average sunshine in May
Brattleboro, VT

Average daylight in May / Average sunshine in May - Brattleboro, VT
  • Average daylight in May: 14h and 4min

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 May: 8h and 4min

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).

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Average sunshine days in May
Brattleboro, VT

Average sunshine days in May - Brattleboro, VT
  • Average sunshine days in May: 18.5 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).

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Average UV index in May
Brattleboro, VT

Average UV index in May - Brattleboro, VT
  • Average UV index in May: 5

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).

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Average cloud cover in May
Brattleboro, VT

Average cloud cover in May - Brattleboro, VT
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Brattleboro, VT

Average visibility in May - Brattleboro, VT
  • Average visibility in May: 5mi

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).

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Brattleboro, Vermont, USA

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