May weather forecast
Allagash, ME

Share

Weather in May

The last month of the spring, May, is a refreshing month in Allagash, Maine, with an average temperature ranging between min 39.6°F (4.2°C) and max 59.4°F (15.2°C).

Temperature

In Allagash, stepping into May signifies a significant temperature increment, moving up from April's cold 41.4°F (5.2°C) to a refreshing 59.4°F (15.2°C). Throughout the month of May, Allagash witnesses an average low-temperature of 39.6°F (4.2°C).

Humidity

May is the least humid month, with an average relative humidity of 75%.

Rainfall

In May, the rain falls for 15.9 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 142 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Allagash aggregates 0.91" (23mm) of snow. Throughout the year, there are 106.5 snowfall days, and 71.89" (1826mm) of snow is accumulated.

Daylight

In Allagash, the average length of the day in May is 15h and 5min.
On the first day of the month, sunrise is at 5:18 am and sunset at 7:47 pm. On the last day of May, sunrise is at 4:44 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in May is 7.7h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in May transforms into this advice:
Adopt protective measures - It is advised to guard against sun damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What are the temperatures in May?

In Allagash, 59.4°F (15.2°C) is the average high-temperature and 39.6°F (4.2°C) is the average low-temperature during May.

What is the least humid month?

With an average relative humidity of 75%, May is the least humid month.

What is the average humidity in May?

In May, the average relative humidity is 75%.

How many days does it rain in May?

In Allagash, in May, it is raining for 15.9 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.9 snowfall days, in May, Allagash aggregates 0.91" (23mm) of snow.

What is the average length of the day in May?

In Allagash, the average day length in May is 15h and 5min.

When are sunrise and sunset in May in Allagash?

In May, on the first day of the month, sunrise is at 5:18 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 4:44 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Allagash?

In Allagash, the average sunshine duration in May is 7.7h.

How high is the UV index in May?

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Allagash, ME

Average temperature in May - Allagash, ME
  • Average high temperature in May: 59.4°F

The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in May: 39.6°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).

Average pressure in May
Allagash, ME

Average pressure in May - Allagash, ME
  • Average pressure in May: 29.96"Hg

The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Allagash, ME

Average wind speed in May - Allagash, ME
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in May
Allagash, ME

Average humidity in May - Allagash, ME
  • Average humidity in May: 75%

The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (75%).

Average rainfall in May
Allagash, ME

Average rainfall in May - Allagash, ME
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (2.09").

Average rainfall days in May
Allagash, ME

Average rainfall days in May - Allagash, ME
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (4.8 days).

Average snowfall in May
Allagash, ME

Average snowfall in May - Allagash, ME
  • Average snowfall in May: 0.91"

The month with the highest snowfall is January (14.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Allagash, ME

Average snowfall days in May - Allagash, ME
  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Allagash, ME
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).

Average sunshine days in May
Allagash, ME

Average sunshine days in May - Allagash, ME
  • Average sunshine days in May: 13 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is March (8 days).

Average UV index in May
Allagash, ME

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

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

Average cloud cover in May
Allagash, ME

Average cloud cover in May - Allagash, ME
  • Average cloud cover in May: 52

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 42).

Average visibility in May
Allagash, ME

Average visibility in May - Allagash, ME
  • Average visibility in May: 5mi

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

Allagash, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location