May weather forecast
Blue Hill, ME

Share

Weather in May

The last month of the spring, May, is a moderate month in Blue Hill, Maine, with an average temperature varying between 44.2°F (6.8°C) and 58.6°F (14.8°C).

Temperature

May's onset brings a temperature rise, moving from a chilly 48.6°F (9.2°C) in April to a refreshing 58.6°F (14.8°C). Blue Hill observes an average nighttime low-temperature of 44.2°F (6.8°C) during the month of May.

Humidity

In May, the average relative humidity in Blue Hill is 78%.

Rainfall

In Blue Hill, during May, the rain falls for 14.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Blue Hill, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

Months with snowfall in Blue Hill are January through May, October through December. May is the last month it regularly snows in Blue Hill, Maine. During 0.1 snowfall days, in May, Blue Hill aggregates 0.08" (2mm) of snow. Throughout the year, there are 48.1 snowfall days, and 23.82" (605mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 49min.
On the first day of the month, sunrise is at 5:23 am and sunset at 7:39 pm. On the last day of May, sunrise is at 4:53 am and sunset at 8:11 pm EDT.

Sunshine

In May, the average sunshine is 7.8h.

UV index

The average daily maximum UV index in May in Blue Hill is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 4 in May leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What are the temperatures in Blue Hill in May?

The high-temperature, in May, in Blue Hill, is 58.6°F (14.8°C), while the low-temperature averages to 44.2°F (6.8°C).

What is the average humidity in May in Blue Hill?

The average relative humidity in May is 78%.

How much does it rain in Blue Hill in May?

In Blue Hill, during May, the rain falls for 14.8 days and regularly aggregates up to 2.28" (58mm) of precipitation.

What is the last month it snows in Blue Hill?

May is the last month it regularly snows in Blue Hill. During 0.1 snowfall days, in May, Blue Hill aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Blue Hill?

In May, the average day length is 14h and 49min.

What time are sunrise and sunset in May in Blue Hill?

On the first day of May in Blue Hill, sunrise is at 5:23 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 8:11 pm EDT.

How many hours of sunshine does Blue Hill have in May?

The average sunshine duration in May in Blue Hill is 7.8h.

What is the UV index intensity in May in Blue Hill?

In Blue Hill, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Blue Hill, ME

Average temperature in May - Blue Hill, ME
  • Average high temperature in May: 58.6°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

[Resources]

Average pressure in May
Blue Hill, ME

Average pressure in May - Blue Hill, ME
  • Average pressure in May: 29.99"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).

[Resources]

Average wind speed in May
Blue Hill, ME

Average wind speed in May - Blue Hill, ME
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

[Resources]

Average humidity in May
Blue Hill, ME

Average humidity in May - Blue Hill, ME
  • Average humidity in May: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

[Resources]

Average rainfall in May
Blue Hill, ME

Average rainfall in May - Blue Hill, ME
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

[Resources]

Average rainfall days in May
Blue Hill, ME

Average rainfall days in May - Blue Hill, ME
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

[Resources]

Average snowfall in May
Blue Hill, ME

Average snowfall in May - Blue Hill, ME
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Blue Hill, ME

Average snowfall days in May - Blue Hill, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Blue Hill, ME

Average daylight in May / Average sunshine in May - Blue Hill, 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: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

[Resources]

Average sunshine days in May
Blue Hill, ME

Average sunshine days in May - Blue Hill, ME
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

[Resources]

Average UV index in May
Blue Hill, ME

Average UV index in May - Blue Hill, 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, November and December (UV index 2).

[Resources]

Average cloud cover in May
Blue Hill, ME

Average cloud cover in May - Blue Hill, ME
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).

[Resources]

Average visibility in May
Blue Hill, ME

Average visibility in May - Blue Hill, ME
  • Average visibility in May: 6mi

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

[Resources]

Blue Hill, Maine, USA

Weather forecast for your location

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