May weather forecast
Winslow, ME

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Weather in May

The last month of the spring, May, is a comfortable month in Winslow, Maine, with an average temperature ranging between min 43°F (6.1°C) and max 63°F (17.2°C).

Temperature

The arrival of May sees a shift in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in April to a comfortable 63°F (17.2°C). During May, an average low-temperature of 43°F (6.1°C) is observed.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Winslow, in May, it is raining for 15.9 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 140.4 rainfall days, and 28.35" (720mm) 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, Winslow aggregates 0.71" (18mm) of snow. Throughout the year, there are 55.2 snowfall days, and 37.83" (961mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 50min.
On the first day of the month, sunrise is at 5:27 am and sunset at 7:43 pm. On the last day of May, sunrise is at 4:56 am and sunset at 8:15 pm EDT.

Sunshine

In May, the average sunshine is 7.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during May translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in Winslow, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 43°F (6.1°C).

What is the average humidity in May?

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

How much does it rain in May?

In Winslow, in May, it is raining for 15.9 days, with typically 2.24" (57mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Winslow aggregates 0.71" (18mm) of snow.

How many hours of daylight does Winslow have in May?

In May, the average day length is 14h and 50min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 5:27 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Winslow have in May?

The average sunshine duration in May is 7.6h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Winslow, ME

Average temperature in May - Winslow, ME
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in May: 43°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in May
Winslow, ME

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

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

Average wind speed in May
Winslow, ME

Average wind speed in May - Winslow, ME
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May
Winslow, ME

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

The months with the highest relative humidity are February and March (85%).
The months with the lowest relative humidity are April and November (78%).

Average rainfall in May
Winslow, ME

Average rainfall in May - Winslow, ME
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in May
Winslow, ME

Average rainfall days in May - Winslow, ME
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in May
Winslow, ME

Average snowfall in May - Winslow, ME
  • Average snowfall in May: 0.71"

The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Winslow, ME

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

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Winslow, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in May
Winslow, ME

Average sunshine days in May - Winslow, ME
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.5 days).

Average UV index in May
Winslow, ME

Average UV index in May - Winslow, 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
Winslow, ME

Average cloud cover in May - Winslow, ME
  • Average cloud cover in May: 52

The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 40).

Average visibility in May
Winslow, ME

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

The months with the highest visibility are November and December (6mi).
The month with the lowest visibility is August (4mi).

Winslow, Maine, USA

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