May weather forecast
Old Town, ME

Share

Weather in May

May signals the arrival of late spring in Old Town, with temperatures climbing to an average high of 62.4°F (16.9°C). The rainfall increases to a comfortable 2.48" (63mm), making the weather pleasant rather than humid. As the last of the cherry blossom petals fall, the city transforms into a landscape of lush greenery. Outdoor activities, such as gardening, picnicking, and bike riding, become popular.

Temperature

Old Town's weather in May presents a rise in the average high-temperature, moving from a chilly 49.8°F (9.9°C) in April to an enjoyable 62.4°F (16.9°C). Old Town cools down to an average low-temperature of 43.2°F (6.2°C) throughout the month of May.

Humidity

With an average relative humidity of 76%, May is the least humid month.

Rainfall

In Old Town, during May, the rain falls for 16.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Old Town, Maine, during the entire year, the rain falls for 148.7 days and collects up to 29.84" (758mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Old Town aggregates 0.63" (16mm) of snow. Throughout the year, there are 61.1 snowfall days, and 36.34" (923mm) of snow is accumulated.

Daylight

In Old Town, the average length of the day in May is 14h and 52min.
On the first day of May, sunrise is at 5:22 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 8:13 pm EDT.

Sunshine

The average sunshine in May is 7.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Old Town?

In Old Town, in May, the average high-temperature is 62.4°F (16.9°C), and the average low-temperature is 43.2°F (6.2°C).

What is the least humid month?

May is the least humid month, with an average relative humidity of 76%.

What is the average humidity in May?

In Old Town, the average relative humidity in May is 76%.

How many days does it rain in May?

In Old Town, in May, during 16.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Old Town aggregates 0.63" (16mm) of snow.

How many hours of daylight does Old Town have in May?

In May, the average day length is 14h and 52min.

When are sunrise and sunset in May in Old Town?

On the first day of May, sunrise is at 5:22 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 8:13 pm EDT.

How long on average sun shines in May?

In Old Town, the average sunshine duration in May is 7.8h.

What is the UV index reading in May in Old Town?

In May, the average daily maximum UV index 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
Old Town, ME

Average temperature in May - Old Town, ME
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 43.2°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
Old Town, ME

Average pressure in May - Old Town, ME
  • Average pressure in May: 29.98"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
Old Town, ME

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

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Old Town, ME

Average humidity in May - Old Town, ME
  • Average humidity in May: 76%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).

Average rainfall in May
Old Town, ME

Average rainfall in May - Old Town, ME
  • Average rainfall in May: 2.48"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").

Average rainfall days in May
Old Town, ME

Average rainfall days in May - Old Town, ME
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in May
Old Town, ME

Average snowfall in May - Old Town, ME
  • Average snowfall in May: 0.63"

The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Old Town, ME

Average snowfall days in May - Old Town, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Old Town, ME

Average daylight in May / Average sunshine in May - Old Town, 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 48min).

  • Average sunshine in May: 7h and 5min

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
Old Town, ME

Average sunshine days in May - Old Town, ME
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (10.1 days).

Average UV index in May
Old Town, ME

Average UV index in May - Old Town, 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
Old Town, ME

Average cloud cover in May - Old Town, 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 39).

Average visibility in May
Old Town, ME

Average visibility in May - Old Town, ME
  • Average visibility in May: 5mi

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

Old Town, Maine, USA

Weather forecast for your location

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