May weather forecast
Brighton, ME

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Weather in May

May, the last month of the spring in Brighton, is an enjoyable month, with an average temperature varying between 42.6°F (5.9°C) and 63°F (17.2°C).

Temperature

The shift into May brings an increase in the average high-temperature, moving from a chilly 49.1°F (9.5°C) in April to a comfortable 63°F (17.2°C). In the month of May, Brighton witnesses a consistent average low-temperature of 42.6°F (5.9°C).

Humidity

In May, the average relative humidity is 78%.

Rainfall

In May, in Brighton, the rain falls for 16.3 days. Throughout May, 2.32" (59mm) of precipitation is accumulated. In Brighton, during the entire year, the rain falls for 142.6 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

Months with snowfall in Brighton are January through May, October through December. May is the last month it regularly snows in Brighton. During 0.1 snowfall days, in May, Brighton aggregates 0.47" (12mm) of snow. In Brighton, during the entire year, snow falls for 61.8 days and aggregates up to 42.99" (1092mm) of snow.

Daylight

In Brighton, the average length of the day in May is 14h and 53min.
On the first day of May, sunrise is at 5:26 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 4:55 am and sunset at 8:18 pm EDT.

Sunshine

In May, the average sunshine is 7.9h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in May transforms into this advice:
Be vigilant - Preventing sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What are May temperatures in Brighton?

The high-temperature, in May, in Brighton, is 63°F (17.2°C), while the low-temperature averages to 42.6°F (5.9°C).

What is the average humidity in May in Brighton?

In May, the average relative humidity in Brighton is 78%.

How much does it rain in Brighton in May?

In Brighton, Maine, in May, during 16.3 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

What is the last month it snows in Brighton?

May is the last month it regularly snows in Brighton. During 0.1 snowfall days, in May, Brighton aggregates 0.47" (12mm) of snow.

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

In May, the average day length in Brighton, Maine, is 14h and 53min.

When are sunrise and sunset in May in Brighton?

On the first day of May, sunrise is at 5:26 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 4:55 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Brighton have in May?

In Brighton, Maine, the average sunshine duration in May is 7.9h.

How high is the UV index in May in Brighton?

In May, the average daily maximum UV index in Brighton, Maine, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Brighton, ME

Average temperature in May - Brighton, ME
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in May: 42.6°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

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Average pressure in May
Brighton, ME

Average pressure in May - Brighton, ME
  • Average pressure in May: 29.98"Hg

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Brighton, ME

Average wind speed in May - Brighton, ME
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Brighton, ME

Average humidity in May - Brighton, ME
  • Average humidity in May: 78%

The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is November (77%).

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Average rainfall in May
Brighton, ME

Average rainfall in May - Brighton, ME
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is April (3.23").
The driest month (with the least rainfall) is July (1.38").

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Average rainfall days in May
Brighton, ME

Average rainfall days in May - Brighton, ME
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in May
Brighton, ME

Average snowfall in May - Brighton, ME
  • Average snowfall in May: 0.47"

The month with the highest snowfall is February (9.96").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Brighton, ME

Average snowfall days in May - Brighton, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (13.5 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
Brighton, ME

Average daylight in May / Average sunshine in May - Brighton, ME
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in May
Brighton, ME

Average sunshine days in May - Brighton, ME
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in May
Brighton, ME

Average UV index in May - Brighton, ME
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in May
Brighton, ME

Average cloud cover in May - Brighton, ME
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 37).

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Average visibility in May
Brighton, ME

Average visibility in May - Brighton, ME
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
The month with the lowest visibility is August (4mi).

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Brighton, Maine, USA

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