May weather forecast
Waterboro, ME

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Weather in May

The last month of the spring, May, is an enjoyable month in Waterboro, Maine, with an average temperature fluctuating between 45.3°F (7.4°C) and 62.6°F (17°C).

Temperature

May witnesses an increase in the average high-temperature, moving from a cool 50.9°F (10.5°C) in April to an enjoyable 62.6°F (17°C). May witnesses an average nighttime temperature of 45.3°F (7.4°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Waterboro, in May, during 15 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 142.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Waterboro aggregates 0.43" (11mm) of snow. Throughout the year, there are 43.9 snowfall days, and 30.79" (782mm) of snow is accumulated.

Daylight

In Waterboro, Maine, the average length of the day in May is 14h and 44min.
On the first day of May, sunrise is at 5:34 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:16 pm EDT.

Sunshine

In Waterboro, the average sunshine in May is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Waterboro in May?

The high-temperature during May is 62.6°F (17°C) and the low-temperature is 45.3°F (7.4°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

How much does it rain in May?

In Waterboro, in May, during 15 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Waterboro aggregates 0.43" (11mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 44min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:34 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:16 pm EDT.

How many hours of sunshine does Waterboro have in May?

The average sunshine duration in May is 8.2h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index reading 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
Waterboro, ME

Average temperature in May - Waterboro, ME
  • Average high temperature in May: 62.6°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in May: 45.3°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in May
Waterboro, ME

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Waterboro, ME

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in May
Waterboro, ME

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

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

Average rainfall in May
Waterboro, ME

Average rainfall in May - Waterboro, ME
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in May
Waterboro, ME

Average rainfall days in May - Waterboro, ME
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in May
Waterboro, ME

Average snowfall in May - Waterboro, ME
  • Average snowfall in May: 0.43"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Waterboro, ME

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

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Waterboro, ME
  • Average daylight in May: 14h and 4min

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 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Waterboro, ME

Average sunshine days in May - Waterboro, ME
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in May
Waterboro, ME

Average UV index in May - Waterboro, ME
  • Average UV index in May: 5

The months with the highest UV index are May, 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
Waterboro, ME

Average cloud cover in May - Waterboro, ME
  • Average cloud cover in May: 47

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Waterboro, ME

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

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

Waterboro, Maine, USA

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