May weather forecast
Franklin, ME

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Weather in May

The last month of the spring, May, is a moderate month in Franklin, Maine, with an average temperature fluctuating between 43.9°F (6.6°C) and 60.4°F (15.8°C).

Temperature

The beginning of May signals a rise in the average high-temperature, moving from a chilly 49.3°F (9.6°C) in April to a moderate 60.4°F (15.8°C). Franklin observes an average low-temperature of 43.9°F (6.6°C) during May.

Humidity

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

Rainfall

In Franklin, in May, it is raining for 14.6 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 137 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Franklin aggregates 0.31" (8mm) of snow. Throughout the year, there are 47.2 snowfall days, and 20.04" (509mm) of snow is accumulated.

Ocean temperature

In Franklin, the average seawater temperature in May is 44.2°F (6.8°C).
Note: Diving into 44.2°F (6.8°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.

Daylight

In May, the average length of the day is 14h and 50min.
On the first day of the month, sunrise is at 5:21 am and sunset at 7:37 pm. On the last day of May, sunrise is at 4:50 am and sunset at 8:10 pm EDT.

Sunshine

In May, the average sunshine is 7.7h.

UV index

In Franklin, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 4 in May leads to these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What are the temperatures in May?

The high-temperature during May is 60.4°F (15.8°C) and the low-temperature is 43.9°F (6.6°C).

What is the average humidity in May in Franklin?

The average relative humidity in May is 77%.

How many days does it rain in May?

In Franklin, during May, the rain falls for 14.6 days and regularly aggregates up to 2.01" (51mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Franklin aggregates 0.31" (8mm) of snow.

What is the water temperature in May?

In Franklin, in May, the average water temperature is 44.2°F (6.8°C). Swimming in 44.2°F (6.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May?

The average day length in May is 14h and 50min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:21 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 8:10 pm EDT.

How many hours of sunshine does Franklin have in May?

In May, the average sunshine duration is 7.7h.

What is the UV index reading in May?

In Franklin, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Franklin, ME

Average temperature in May - Franklin, ME
  • Average high temperature in May: 60.4°F

The warmest months (with the highest average high temperature) are July and August (75.4°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in May: 43.9°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in May
Franklin, ME

Average pressure in May - Franklin, 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).

Average wind speed in May
Franklin, ME

Average wind speed in May - Franklin, ME
  • Average wind speed in May: 7mph

The windiest months (with the highest average wind speed) are January and March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in May
Franklin, ME

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

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Franklin, ME

Average rainfall in May - Franklin, ME
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is July (1.3").

Average rainfall days in May
Franklin, ME

Average rainfall days in May - Franklin, ME
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in May
Franklin, ME

Average snowfall in May - Franklin, ME
  • Average snowfall in May: 0.31"

The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Franklin, ME

Average snowfall days in May - Franklin, ME
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in May
Franklin, ME

Average sea temperature in May - Franklin, ME
  • Average sea temperature in May: 44.2°F

The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38°F).

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

Average daylight in May / Average sunshine in May - Franklin, 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 4min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in May
Franklin, ME

Average sunshine days in May - Franklin, ME
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.9 days).

Average UV index in May
Franklin, ME

Average UV index in May - Franklin, 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).

Average cloud cover in May
Franklin, ME

Average cloud cover in May - Franklin, ME
  • Average cloud cover in May: 51

The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 38).

Average visibility in May
Franklin, ME

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

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

Franklin, Maine, USA

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