May weather forecast and climate
Addison, ME

Weather in May

May, the last month of the spring, in Addison, is a moderate month, with average temperature ranging between min 44.2°F (6.8°C) and max 58.6°F (14.8°C).

Temperature

In Addison, the average high-temperature increases, from a frosty 48.6°F (9.2°C) in April, to a moderate 58.6°F (14.8°C). In Addison, the average low-temperature is 44.2°F (6.8°C).

Humidity

In May, the average relative humidity is 78%.

Rainfall

In May, the rain falls for 14.8 days. Throughout May, 2.28" (58mm) of precipitation is accumulated. Throughout the year, in Addison, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, Addison aggregates 0.08" (2mm) of snow. Throughout the year, in Addison, there are 48.1 snowfall days, and 23.82" (605mm) of snow is accumulated.

Ocean temperature

In Addison, the average seawater temperature is 43.9°F (6.6°C).
Note: Swimming in 43.9°F (6.6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In May, the average length of the day in Addison is 14.8h.

Sunshine

The average sunshine in Addison is 7.8h.

UV index

The average daily maximum UV index in Addison is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Addison?

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

How many days does it rain in May in Addison?

In May, in Addison, Maine, the rain falls for 14.8 days. Throughout May, 2.28" (58mm) of precipitation is accumulated.

What is the last month it snows in Addison?

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

What is the ocean temperature in May in Addison?

In Addison, the average seawater temperature in May is 43.9°F (6.6°C). Swimming in 43.9°F (6.6°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Addison have in May?

In Addison, Maine, the average length of the day in May is 14.8h.

How many hours of sunshine does Addison have in May?

In Addison, the average sunshine in May is 7.8h.

What is the UV index reading in May in Addison?

In Addison, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in May
Addison, ME

Average temperature in May - Addison, ME
  • Average high temperature in May: 58.6°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in May
Addison, ME

Average pressure in May - Addison, ME
  • Average pressure in May: 29.99"

The month with the highest atmospheric pressure is September (30.04").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Addison, ME

Average wind speed in May - Addison, ME
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in May
Addison, ME

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in May
Addison, ME

Average rainfall in May - Addison, ME
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days in May
Addison, ME

Average rainfall days in May - Addison, ME
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in May
Addison, ME

Average snowfall in May - Addison, ME
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (5.75").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Addison, ME

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

The month with the highest number of snowfall days is January (11.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Addison, ME

Average sea temperature in May - Addison, ME
  • Average sea temperature in May: 44°F

The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38.1°F).

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Average daylight in May /
Average sunshine in May
Addison, ME

Average daylight in May / Average sunshine in May - Addison, ME
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 7.8h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.1h).

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Average sunshine days in May
Addison, ME

Average sunshine days in May - Addison, ME
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in May
Addison, ME

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

Months with the highest UV index are June, July and August (UV index 5).
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
Addison, ME

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

The month with the most cloud cover is February (Cloud cover 56).
Months with the least cloud cover are August and September (Cloud cover 35).

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Average visibility in May
Addison, ME

Average visibility in May - Addison, ME
  • Average visibility in May: 6mi

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

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