May weather forecast
Port Clyde, ME

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Weather in May

May, the last month of the spring in Port Clyde, is a fresh month, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 46.2°F (7.9°C).

Temperature

May signals a minor shift in the average high-temperature, moving from April's chilly 45.9°F (7.7°C) to a fresh 54.1°F (12.3°C). In May, Port Clyde's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 46.2°F (7.9°C).

Humidity

In May, the average relative humidity is 83%.

Rainfall

In Port Clyde, during May, the rain falls for 15.3 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Port Clyde, during the entire year, the rain falls for 144.8 days and collects up to 30.63" (778mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May in Port Clyde is 14h and 46min.
On the first day of May, sunrise is at 5:27 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 8:12 pm EDT.

Sunshine

In Port Clyde, the average sunshine in May is 8.1h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jun 25, 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 Port Clyde, records 54.1°F (12.3°C), while the low-temperature is 46.2°F (7.9°C).

What is the average humidity in May?

In Port Clyde, the average relative humidity in May is 83%.

How many days does it rain in May?

In Port Clyde, in May, during 15.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow?

In Port Clyde, snow does not fall in May through October.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Port Clyde have in May?

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 5:27 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 8:12 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.1h.

What is the UV index reading in May?

In Port Clyde, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Port Clyde, ME

Average temperature in May - Port Clyde, ME
  • Average high temperature in May: 54.1°F

The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in May
Port Clyde, ME

Average pressure in May - Port Clyde, 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
Port Clyde, ME

Average wind speed in May - Port Clyde, ME
  • Average wind speed in May: 10mph

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).

Average humidity in May
Port Clyde, ME

Average humidity in May - Port Clyde, ME
  • Average humidity in May: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).

Average rainfall in May
Port Clyde, ME

Average rainfall in May - Port Clyde, ME
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in May
Port Clyde, ME

Average rainfall days in May - Port Clyde, ME
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
Port Clyde, ME

Average snowfall in May - Port Clyde, ME
  • Average snowfall in May: 0"

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

Average snowfall days in May
Port Clyde, ME

Average snowfall days in May - Port Clyde, ME
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.5 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
Port Clyde, ME

Average daylight in May / Average sunshine in May - Port Clyde, 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 1min

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 30min).

Average sunshine days in May
Port Clyde, ME

Average sunshine days in May - Port Clyde, ME
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).

Average UV index in May
Port Clyde, ME

Average UV index in May - Port Clyde, 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
Port Clyde, ME

Average cloud cover in May - Port Clyde, ME
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Port Clyde, ME

Average visibility in May - Port Clyde, 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).

Port Clyde, Maine, USA

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