May weather forecast
Brockton, MA

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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). This month is marked by regular rainfall, further enriching the spring bloom and enhancing the city's verdant appeal. The progression towards summer is visible with the prolonged daylight and an abundance of sunshine. Overall, May offers a delightful blend of bright, sunny days interspersed with rain showers.

Temperature

May in Brockton comes with an increase, with the average high-temperature moving from 55.9°F (13.3°C) in April to a still refreshing 66.7°F (19.3°C). In the month of May, the nighttime temperature in Brockton dips to a steady average of 49.6°F (9.8°C).

Humidity

In Brockton, the average relative humidity in May is 74%.

Rainfall

In Brockton, during May, the rain falls for 15.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Brockton, during the entire year, the rain falls for 144.9 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Brockton. May is the last month it regularly snows in Brockton. During 0.1 snowfall days, in May, Brockton aggregates 0.2" (5mm) of snow. Throughout the year, in Brockton, there are 27.4 snowfall days, and 15" (381mm) of snow is accumulated.

Daylight

In May, the average length of the day in Brockton is 14h and 35min.
On the first day of May in Brockton, sunrise is at 5:38 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:13 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. 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 are May temperatures in Brockton?

May temperatures in Brockton, Massachusetts, vary between a high-temperature of 66.7°F (19.3°C) and a low-temperature of 49.6°F (9.8°C).

What is the average humidity in May in Brockton?

The average relative humidity in May in Brockton, Massachusetts, is 74%.

How much does it rain in Brockton in May?

In Brockton, during May, the rain falls for 15.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

What is the last month it snows in Brockton?

May is the last month it regularly snows in Brockton, Massachusetts. During 0.1 snowfall days, in May, Brockton aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Brockton?

In Brockton, Massachusetts, the average day length in May is 14h and 35min.

When are sunrise and sunset in May in Brockton?

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, sunrise is at 5:10 am and sunset at 8:13 pm EDT.

How long on average sun shines in May in Brockton?

In Brockton, Massachusetts, the average sunshine duration in May is 8.2h.

How high is the UV index in May in Brockton?

In Brockton, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Brockton, MA

Average temperature in May - Brockton, MA
  • Average high temperature in May: 66.7°F

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).

  • Average low temperature in May: 49.6°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).

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Average pressure in May
Brockton, MA

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

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

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Average wind speed in May
Brockton, MA

Average wind speed in May - Brockton, MA
  • Average wind speed in May: 7.4mph

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).

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Average humidity in May
Brockton, MA

Average humidity in May - Brockton, MA
  • Average humidity in May: 74%

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

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Average rainfall in May
Brockton, MA

Average rainfall in May - Brockton, MA
  • Average rainfall in May: 2.01"

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

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Average rainfall days in May
Brockton, MA

Average rainfall days in May - Brockton, MA
  • Average rainfall days in May: 15.3 days

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).

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Average snowfall in May
Brockton, MA

Average snowfall in May - Brockton, MA
  • Average snowfall in May: 0.2"

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

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Average snowfall days in May
Brockton, MA

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

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).

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

Average daylight in May / Average sunshine in May - Brockton, 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 1min

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).

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Average sunshine days in May
Brockton, MA

Average sunshine days in May - Brockton, MA
  • Average sunshine days in May: 13.8 days

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

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Average UV index in May
Brockton, MA

Average UV index in May - Brockton, 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
Brockton, MA

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

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in May
Brockton, MA

Average visibility in May - Brockton, 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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Brockton, Massachusetts, USA

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