May weather forecast
Eastport, ME

Weather in May

May, the last month of the spring, in Eastport, is a fresh month, with average temperature varying between 53.2°F (11.8°C) and 44.4°F (6.9°C).

Temperature

In Eastport, the average high-temperature slightly increases, from a chilly 45°F (7.2°C) in April, to a cool 53.2°F (11.8°C). In Eastport, the average low-temperature is 44.4°F (6.9°C).

Humidity

The average relative humidity in May is 81%.

Rainfall

In May, in Eastport, the rain falls for 16 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Eastport, there are 143.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.

Snowfall

In Eastport snow does not fall through September.

Ocean temperature

In May, the average ocean temperature is 44.2°F (6.8°C).
Note: Swimming in 44.2°F (6.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Eastport is 14.9h.

Sunshine

In Eastport, the average sunshine in May is 7.6h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the average humidity in May in Eastport?

In Eastport, Maine, the average relative humidity in May is 81%.

How many days does it rain in May in Eastport?

In Eastport, Maine, in May, during 16 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in Eastport?

May through September are months without snowfall in Eastport, Maine.

Does it snow in Eastport in May?

In May, in Eastport, Maine, it doesn't snow. April is the latest month when it typically snows.

How cold is the water in May in Eastport?

In Eastport, Maine, the average seawater temperature in May is 44.2°F (6.8°C). Swimming in 44.2°F (6.8°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.

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

In Eastport, the average length of the day in May is 14.9h.

How long on average sun shines in May in Eastport?

In Eastport, Maine, the average sunshine in May is 7.6h.

How high is the UV index in May in Eastport?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Eastport, ME

Average temperature in May - Eastport, ME
  • Average high temperature in May: 53.2°F

The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 44.4°F

The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure in May
Eastport, ME

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

The month with the highest atmospheric pressure is September (30.03").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Eastport, ME

Average wind speed in May - Eastport, ME
  • Average wind speed in May: 9.7mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in May
Eastport, ME

Average humidity in May - Eastport, ME
  • Average humidity in May: 81%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (77%).

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Average rainfall in May
Eastport, ME

Average rainfall in May - Eastport, ME
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is August (1.65").

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Average rainfall days in May
Eastport, ME

Average rainfall days in May - Eastport, ME
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in May
Eastport, ME

Average snowfall in May - Eastport, ME
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.64").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Eastport, ME

Average snowfall days in May - Eastport, ME
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in May
Eastport, ME

Average sea temperature in May - Eastport, ME
  • Average sea temperature in May: 44.3°F

The best month for swimming (with the highest average sea temperature) is September (55.3°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).

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

Average daylight in May / Average sunshine in May - Eastport, ME
  • Average daylight in May: 14.9h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in May: 7.6h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 3.6h).

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Average sunshine days in May
Eastport, ME

Average sunshine days in May - Eastport, ME
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in May
Eastport, ME

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

Months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Eastport, ME

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

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Eastport, ME

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

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

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