May weather forecast
East Sumner, ME

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Weather in May

The last month of the spring, May, is a comfortable month in East Sumner, Maine, with an average temperature varying between 63.1°F (17.3°C) and 44.1°F (6.7°C).

Temperature

As East Sumner welcomes May, the average high-temperature sees a rise, transitioning from a cool 50°F (10°C) in April to a refreshing 63.1°F (17.3°C). The low-temperature average for East Sumner during May stands at a chilly 44.1°F (6.7°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In East Sumner, in May, it is raining for 13.1 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 119.4 rainfall days, and 17.17" (436mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, East Sumner aggregates 0.24" (6mm) of snow. In East Sumner, during the entire year, snow falls for 39.3 days and aggregates up to 19.37" (492mm) of snow.

Daylight

In May, the average length of the day in East Sumner is 14h and 49min.
On the first day of May in East Sumner, Maine, sunrise is at 5:31 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:00 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in May in East Sumner is 8h.

UV index

In May, the average daily maximum UV index in East Sumner, Maine, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What is the average May temperature in East Sumner?

In May, the average high-temperature and low-temperature in East Sumner are 63.1°F (17.3°C) and 44.1°F (6.7°C) respectively.

What is the average humidity in May in East Sumner?

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

How many days does it rain in May in East Sumner?

In East Sumner, Maine, in May, during 13.1 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

What is the last month it snows in East Sumner?

May is the last month it regularly snows in East Sumner, Maine. During 0.1 snowfall days, in May, East Sumner aggregates 0.24" (6mm) of snow.

How many hours of daylight does East Sumner have in May?

In May, the average day length in East Sumner is 14h and 49min.

When is the sunrise / sunset in May in East Sumner?

On the first day of May, sunrise is at 5:31 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:00 am and sunset at 8:18 pm EDT.

How many hours of sunshine does East Sumner have in May?

In May, the average sunshine duration in East Sumner, Maine, is 8h.

What is the UV index intensity in May in East Sumner?

In East Sumner, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
East Sumner, ME

Average temperature in May - East Sumner, ME
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 44.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in May
East Sumner, ME

Average pressure in May - East Sumner, ME
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
East Sumner, ME

Average wind speed in May - East Sumner, ME
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in May
East Sumner, ME

Average humidity in May - East Sumner, ME
  • Average humidity in May: 78%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in May
East Sumner, ME

Average rainfall in May - East Sumner, ME
  • Average rainfall in May: 1.54"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in May
East Sumner, ME

Average rainfall days in May - East Sumner, ME
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in May
East Sumner, ME

Average snowfall in May - East Sumner, ME
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
East Sumner, ME

Average snowfall days in May - East Sumner, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9 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
East Sumner, ME

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
East Sumner, ME

Average sunshine days in May - East Sumner, ME
  • Average sunshine days in May: 15.6 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (13.8 days).

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Average UV index in May
East Sumner, ME

Average UV index in May - East Sumner, 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, October, November and December (UV index 2).

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Average cloud cover in May
East Sumner, ME

Average cloud cover in May - East Sumner, ME
  • Average cloud cover in May: 49

The months with the most cloud cover are March and April (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 35).

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Average visibility in May
East Sumner, ME

Average visibility in May - East Sumner, ME
  • Average visibility in May: 5mi

The months with the highest visibility are January, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and October (5mi).

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East Sumner, Maine, USA

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