May weather forecast
Eastport, ME

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Weather in May

May brings with it many joys as Eastport emerges into full spring. This month experiences the highest average rainfall for the first half of the year, recorded at 2.56" (65mm). The consistent rainfall amidst warmer temperatures encourages lush greenery throughout the city. More sunshine hours pave the way for outdoor activities. The warming trend continues into the month of June, heightening the anticipation of summer.

Temperature

May in Eastport signals a minor shift in the average high-temperature, moving from April's frosty 45°F (7.2°C) to a fresh 53.2°F (11.8°C). Eastport maintains a near steady average temperature of 44.4°F (6.9°C) during the nights of May, demonstrating little drop from daytime highs.

Humidity

In May, the average relative humidity is 81%.

Rainfall

In May, the rain falls for 16 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. In Eastport, during the entire year, the rain falls for 143.2 days and collects up to 29.37" (746mm) of precipitation.

Snowfall

May through September are months without snowfall.

Ocean temperature

In Eastport, Maine, the average seawater temperature in May is 44.2°F (6.8°C).
Note: With the appropriate swimsuit, one can swim in 44.2°F (6.8°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.

Daylight

The average length of the day in May in Eastport is 14h and 52min.
On the first day of the month, sunrise is at 5:16 am and sunset at 7:33 pm. On the last day of May, sunrise is at 4:44 am and sunset at 8:06 pm EDT.

Sunshine

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

UV index

In Eastport, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 4 in May transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the average May temperature in Eastport?

In May, the average high-temperature and low-temperature in Eastport, Maine, are 53.2°F (11.8°C) and 44.4°F (6.9°C) respectively.

What is the average humidity in May in Eastport?

The average relative humidity in May in Eastport is 81%.

How much does it rain in Eastport in May?

In Eastport, Maine, during May, the rain falls for 16 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow in Eastport?

In Eastport, Maine, snow does not fall in May through September.

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, in May, the average water temperature is 44.2°F (6.8°C). 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.

How many hours of daylight does Eastport have in May?

The average day length in May is 14h and 52min.

When are sunrise and sunset in May in Eastport?

On the first day of May in Eastport, Maine, sunrise is at 5:16 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 4:44 am and sunset at 8:06 pm EDT.

How many hours of sunshine does Eastport have in May?

The average sunshine duration in May is 7.6h.

What is the UV index intensity in May in Eastport?

The average daily maximum UV index in May in Eastport is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
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"Hg

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

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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").
The 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).
The 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: 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: 7h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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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

The 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

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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Eastport, Maine, USA

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