May weather forecast
Maine, NY

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Weather in May

May, the last month of the spring in Maine, is a comfortable month, with an average temperature varying between 46°F (7.8°C) and 65.7°F (18.7°C).

Temperature

Noticing a change, the average high-temperature during May moves from April's cool 52.3°F (11.3°C) to an enjoyable 65.7°F (18.7°C). Maine, in the month of May, anticipates a consistent average low-temperature of 46°F (7.8°C).

Humidity

April through July, with an average relative humidity of 80%, are the least humid months.

Rainfall

In May, in Maine, the rain falls for 18.7 days. Throughout May, 3.46" (88mm) of precipitation is accumulated. In Maine, during the entire year, the rain falls for 173.5 days and collects up to 35.67" (906mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Maine. May is the last month it regularly snows in Maine. During 0.8 snowfall days, in May, Maine aggregates 0.47" (12mm) of snow. In Maine, during the entire year, snow falls for 94.8 days and aggregates up to 48.82" (1240mm) of snow.

Daylight

In May, the average length of the day in Maine is 14h and 36min.
On the first day of May in Maine, sunrise is at 5:58 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:33 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. 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: In May, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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 the temperatures in Maine in May?

Maine in May has an average high-temperature of 65.7°F (18.7°C) and an average low-temperature of 46°F (7.8°C).

What is the least humid month in Maine?

April through July, with an average relative humidity of 80%, are the least humid months in Maine.

What is the average humidity in May in Maine?

The average relative humidity in May is 80%.

How much does it rain in Maine in May?

In Maine, New York, during May, the rain falls for 18.7 days and regularly aggregates up to 3.46" (88mm) of precipitation.

What is the last month it snows in Maine?

May is the last month it regularly snows in Maine, New York. During 0.8 snowfall days, in May, Maine aggregates 0.47" (12mm) of snow.

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

In Maine, New York, the average day length in May is 14h and 36min.

When are sunrise and sunset in May in Maine?

On the first day of May, sunrise is at 5:58 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:33 pm EDT.

How long on average sun shines in May in Maine?

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

When is the highest UV index in Maine?

The months with the highest UV index in Maine, New York, are May through August, with an average maximum UV index of 5.

How high is the UV index in May in Maine?

In Maine, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Maine, NY

Average temperature in May - Maine, NY
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
Maine, NY

Average pressure in May - Maine, NY
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Maine, NY

Average wind speed in May - Maine, NY
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Maine, NY

Average humidity in May - Maine, NY
  • Average humidity in May: 80%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June and July (80%).

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Average rainfall in May
Maine, NY

Average rainfall in May - Maine, NY
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and November (2.4").

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Average rainfall days in May
Maine, NY

Average rainfall days in May - Maine, NY
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in May
Maine, NY

Average snowfall in May - Maine, NY
  • Average snowfall in May: 0.47"

The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Maine, NY

Average snowfall days in May - Maine, NY
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (21.6 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
Maine, NY

Average daylight in May / Average sunshine in May - Maine, NY
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in May
Maine, NY

Average sunshine days in May - Maine, NY
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (5.7 days).

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Average UV index in May
Maine, NY

Average UV index in May - Maine, NY
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in May
Maine, NY

Average cloud cover in May - Maine, NY
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).

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Average visibility in May
Maine, NY

Average visibility in May - Maine, NY
  • Average visibility in May: 5mi

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

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Maine, New York, USA

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