May weather forecast
Freeport, ME

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Weather in May

May marks the halfway point between spring and summer, which brings about a noticeable change in the weather. Freeport sees a considerable upsurge in temperature from April, reaching up to a pleasant 59.5°F (15.3°C). Greenery thrives in the city, with the countryside flourishing under longer sunshine hours. Despite periodic rainfall, the extended daylight provides ample opportunity to experience colorful sunsets on breezy evenings. As a harbinger of summer, May encourages outdoor activities with its increasingly warmer days.

Temperature

With the onset of May, Freeport's average high-temperature experiences a rise, moving from April's chilly 49.3°F (9.6°C) to a moderate 59.5°F (15.3°C). Freeport registers a consistent average low-temperature of 46.2°F (7.9°C) during May.

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Freeport, in May, during 13.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Freeport, during the entire year, the rain falls for 132.8 days and collects up to 19.88" (505mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Freeport aggregates 0.16" (4mm) of snow. In Freeport, during the entire year, snow falls for 31.2 days and aggregates up to 10.94" (278mm) of snow.

Daylight

In May, the average length of the day is 14h and 46min.
On the first day of May, sunrise is at 5:31 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 8:15 pm EDT.

Sunshine

The average sunshine in May is 8.3h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 4 in May suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Freeport, is 59.5°F (15.3°C), while the low-temperature averages to 46.2°F (7.9°C).

What is the average humidity in May?

In Freeport, the average relative humidity in May is 79%.

How many days does it rain in May?

In May, the rain falls for 13.8 days. Throughout May, 1.89" (48mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Freeport aggregates 0.16" (4mm) of snow.

How many hours of daylight does Freeport have in May?

In Freeport, the average day length in May is 14h and 46min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:31 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 8:15 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.3h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Freeport, ME

Average temperature in May - Freeport, ME
  • Average high temperature in May: 59.5°F

The warmest month (with the highest average high temperature) is July (74.7°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
Freeport, ME

Average pressure in May - Freeport, ME
  • Average pressure in May: 29.99"Hg

The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Freeport, ME

Average wind speed in May - Freeport, ME
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in May
Freeport, ME

Average humidity in May - Freeport, ME
  • Average humidity in May: 79%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is November (75%).

Average rainfall in May
Freeport, ME

Average rainfall in May - Freeport, ME
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in May
Freeport, ME

Average rainfall days in May - Freeport, ME
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (6 days).

Average snowfall in May
Freeport, ME

Average snowfall in May - Freeport, ME
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Freeport, ME

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

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Freeport, ME
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in May
Freeport, ME

Average sunshine days in May - Freeport, ME
  • Average sunshine days in May: 15 days

The months with the most sunshine days are January and September (18.5 days).
The month with the least sunshine days is April (13 days).

Average UV index in May
Freeport, ME

Average UV index in May - Freeport, 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
Freeport, ME

Average cloud cover in May - Freeport, ME
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
Freeport, ME

Average visibility in May - Freeport, ME
  • Average visibility in May: 6mi

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

Freeport, Maine, USA

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