May weather forecast
Bangor, ME

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The neon-lit city of Bangor, Maine, at night with the clear sky and neon lights reflected in the water below
The neon-lit city of Bangor, Maine, at night with the clear sky and neon lights reflected in the water below

Weather in May

May carries forward the pleasant vibes of April, introducing a comforting warmth to Bangor, Maine. Although the city records a high temperature of 62.4°F (16.9°C) and an adequate amount of rainfall, it does not deter the outdoor activities. The daylight spanning 14.9 hours prompts locals to enjoy a variety of events under the sun. With the receding snowfall replaced by a sprinkle of rain showers, Bangor begins to thrive in the warmth of May. The climatic patterns hint at the obvious arrival of summer, making May a transitioning period from spring to summer.

Temperature

May's arrival in Bangor sees a rise in the average high-temperature, jumping from April's cool 50°F (10°C) to a refreshing 62.4°F (16.9°C). Bangor witnesses a consistent average low-temperature of 43.3°F (6.3°C) throughout May.

Humidity

April and May, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Bangor, in May, during 16.7 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Bangor, during the entire year, the rain falls for 148.5 days and collects up to 29.8" (757mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bangor aggregates 0.55" (14mm) of snow. Throughout the year, there are 58 snowfall days, and 34.09" (866mm) of snow is accumulated.

Daylight

In Bangor, the average length of the day in May is 14h and 51min.
On the first day of the month, sunrise is at 5:23 am and sunset at 7:40 pm. On the last day of May, sunrise is at 4:52 am and sunset at 8:13 pm EDT.

Sunshine

In Bangor, the average sunshine in May is 7.9h.

UV index

In Bangor, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

What are May temperatures?

The high-temperature during May is 62.4°F (16.9°C) and the low-temperature is 43.3°F (6.3°C).

What is the least humid month?

April and May, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in May?

In Bangor, the average relative humidity in May is 77%.

How much does it rain in May?

In Bangor, in May, it is raining for 16.7 days, with typically 2.4" (61mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows in Bangor. During 0.1 snowfall days, in May, Bangor aggregates 0.55" (14mm) of snow.

How many hours of daylight does Bangor have in May?

In May, the average day length is 14h and 51min.

When are sunrise and sunset in May?

On the first day of May in Bangor, sunrise is at 5:23 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 8:13 pm EDT.

How many hours of sunshine does Bangor have in May?

In May, the average sunshine duration is 7.9h.

What is the UV index reading in May?

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

Average temperature in May - Bangor, ME
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 43.3°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in May
Bangor, ME

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

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Bangor, ME

Average wind speed in May - Bangor, ME
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Bangor, ME

Average humidity in May - Bangor, ME
  • Average humidity in May: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).

Average rainfall in May
Bangor, ME

Average rainfall in May - Bangor, ME
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").

Average rainfall days in May
Bangor, ME

Average rainfall days in May - Bangor, ME
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in May
Bangor, ME

Average snowfall in May - Bangor, ME
  • Average snowfall in May: 0.55"

The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Bangor, ME

Average snowfall days in May - Bangor, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Bangor, 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 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in May
Bangor, ME

Average sunshine days in May - Bangor, ME
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in May
Bangor, ME

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Bangor, ME

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

The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in May
Bangor, ME

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

The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).

Bangor, Maine, USA

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