May weather forecast
Braintree, MA

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Weather in May

The last month of the spring, May, is a refreshing month in Braintree, Massachusetts, with an average temperature ranging between min 50°F (10°C) and max 66.4°F (19.1°C).

Temperature

The average high-temperature increases in May, moving from a mild 55.4°F (13°C) in April to an enjoyable 66.4°F (19.1°C). During the month of May, Braintree anticipates a mean low-temperature of 50°F (10°C).

Humidity

The average relative humidity in May is 73%.

Rainfall

In Braintree, in May, it is raining for 9.3 days, with typically 0.51" (13mm) of accumulated precipitation. In Braintree, during the entire year, the rain falls for 89.5 days and collects up to 6.61" (168mm) of precipitation.

Snowfall

Months with snowfall in Braintree are January through May, November and December. May is the last month it regularly snows in Braintree, Massachusetts. During 0.1 snowfall days, in May, Braintree aggregates 0.08" (2mm) of snow. Throughout the year, there are 18.1 snowfall days, and 2.87" (73mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 36min.
On the first day of the month, sunrise is at 5:38 am and sunset at 7:43 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:13 pm EDT.

Sunshine

In May, the average sunshine in Braintree is 8.3h.

UV index

In May, the average daily maximum UV index in Braintree is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Braintree?

The high-temperature, in May, in Braintree, records 66.4°F (19.1°C), while the low-temperature is 50°F (10°C).

What is the average humidity in May in Braintree?

In Braintree, the average relative humidity in May is 73%.

How many days does it rain in May in Braintree?

In Braintree, during May, the rain falls for 9.3 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the last month it snows in Braintree?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Braintree aggregates 0.08" (2mm) of snow.

How many hours of daylight does Braintree have in May?

In Braintree, Massachusetts, the average day length in May is 14h and 36min.

When are sunrise and sunset in May in Braintree?

In May, on the first day of the month, sunrise is at 5:38 am and sunset at 7:43 pm. On the last day of the month, in Braintree, sunrise is at 5:10 am and sunset at 8:13 pm EDT.

How long on average sun shines in May in Braintree?

In Braintree, Massachusetts, the average sunshine duration in May is 8.3h.

What is the UV index intensity in May in Braintree?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Braintree, MA

Average temperature in May - Braintree, MA
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in May: 50°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in May
Braintree, MA

Average pressure in May - Braintree, MA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Braintree, MA

Average wind speed in May - Braintree, MA
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in May
Braintree, MA

Average humidity in May - Braintree, MA
  • Average humidity in May: 73%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in May
Braintree, MA

Average rainfall in May - Braintree, MA
  • Average rainfall in May: 0.51"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

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Average rainfall days in May
Braintree, MA

Average rainfall days in May - Braintree, MA
  • Average rainfall days in May: 9.3 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in May
Braintree, MA

Average snowfall in May - Braintree, MA
  • Average snowfall in May: 0.08"

The month with the highest snowfall is March (0.83").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Braintree, MA

Average snowfall days in May - Braintree, MA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Braintree, MA

Average daylight in May / Average sunshine in May - Braintree, MA
  • Average daylight in May: 14h and 4min

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).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Braintree, MA

Average sunshine days in May - Braintree, MA
  • Average sunshine days in May: 19.2 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is April (17.8 days).

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Average UV index in May
Braintree, MA

Average UV index in May - Braintree, MA
  • Average UV index in May: 5

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).

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Average cloud cover in May
Braintree, MA

Average cloud cover in May - Braintree, MA
  • Average cloud cover in May: 47

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
Braintree, MA

Average visibility in May - Braintree, MA
  • Average visibility in May: 6mi

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).

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Braintree, Massachusetts, USA

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