May weather forecast
Monticello, ME

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Weather in May

The last month of the spring, May, is a refreshing month in Monticello, Maine, with an average temperature ranging between max 60.8°F (16°C) and min 40.8°F (4.9°C).

Temperature

As May arrives, Monticello's weather displays a notable increase in high-temperatures, climbing from April's frosty 45.9°F (7.7°C) to a refreshing 60.8°F (16°C). May sees the temperature falling to a mean low of 40.8°F (4.9°C).

Humidity

The least humid month is May, with an average relative humidity of 76%.

Rainfall

In Monticello, in May, it is raining for 16.9 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 147.4 rainfall days, and 31.81" (808mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Monticello aggregates 1.18" (30mm) of snow. Throughout the year, there are 88.2 snowfall days, and 62.83" (1596mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 1min.
On the first day of May, sunrise is at 5:16 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:42 am and sunset at 8:15 pm EDT.

Sunshine

In Monticello, the average sunshine in May is 7.4h.

UV index

In Monticello, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the usual temperature for Monticello in May?

May temperatures vary between a high-temperature of 60.8°F (16°C) and a low-temperature of 40.8°F (4.9°C).

What is the least humid month?

May is the least humid month in Monticello, with an average relative humidity of 76%.

What is the average humidity in May?

The average relative humidity in May is 76%.

How much does it rain in May?

In Monticello, during May, the rain falls for 16.9 days and regularly aggregates up to 2.72" (69mm) of precipitation.

What is the last month it snows in Monticello?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Monticello aggregates 1.18" (30mm) of snow.

What is the average length of the day in May?

In Monticello, the average day length in May is 15h and 1min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:16 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:42 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Monticello have in May?

In Monticello, the average sunshine duration in May is 7.4h.

What is the UV index intensity in May in Monticello?

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Monticello, ME

Average temperature in May - Monticello, ME
  • Average high temperature in May: 60.8°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in May: 40.8°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in May
Monticello, ME

Average pressure in May - Monticello, ME
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Monticello, ME

Average wind speed in May - Monticello, ME
  • Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Monticello, ME

Average humidity in May - Monticello, ME
  • Average humidity in May: 76%

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is May (76%).

Average rainfall in May
Monticello, ME

Average rainfall in May - Monticello, ME
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (2.17").

Average rainfall days in May
Monticello, ME

Average rainfall days in May - Monticello, ME
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May
Monticello, ME

Average snowfall in May - Monticello, ME
  • Average snowfall in May: 1.18"

The months with the highest snowfall are January and February (13.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Monticello, ME

Average snowfall days in May - Monticello, ME
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Monticello, ME
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 7h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in May
Monticello, ME

Average sunshine days in May - Monticello, ME
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is April (8.7 days).

Average UV index in May
Monticello, ME

Average UV index in May - Monticello, 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
Monticello, ME

Average cloud cover in May - Monticello, ME
  • Average cloud cover in May: 53

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in May
Monticello, ME

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

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

Monticello, Maine, USA

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