May weather forecastBar Harbor, ME
May
Weather in May
May marks the advent of warmer days in Bar Harbor. The month sees a trivial snowfall of 0.08" (2mm), a definite sign of impending summer. Frequent rain showers contribute to the greenery, making the city a vibrant treat for nature lovers. As sunlight stretches into the evenings, suitable weather prevails for outdoor explorations. May is an ideal time for outdoor activities and signifies the start of the prime tourist season in Bar Harbor.Temperature
As May begins in Bar Harbor, Maine, there is an increase in the average high-temperature, moving from a chilly 48.6°F (9.2°C) in April to a moderate 58.6°F (14.8°C). Bar Harbor's average low-temperature in May is measured at a frosty 44.2°F (6.8°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Bar Harbor, in May, during 14.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Bar Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Bar Harbor, Maine. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bar Harbor aggregates 0.08" (2mm) of snow. In Bar Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.Ocean temperature
In Bar Harbor, Maine, the average seawater temperature in May is 44.2°F (6.8°C).Note: To swim in 44.2°F (6.8°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.
Daylight
In Bar Harbor, the average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 5:22 am and sunset at 7:37 pm. On the last day of May, sunrise is at 4:51 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in May in Bar Harbor is 7.8h.UV index
In Bar Harbor, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bar Harbor, ME
- Average high temperature in May: 58.6°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Bar Harbor, 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
Bar Harbor, ME
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Bar Harbor, ME
- Average humidity in May: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Bar Harbor, ME
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in May
Bar Harbor, ME
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in May
Bar Harbor, ME
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bar Harbor, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Bar Harbor, ME
- Average sea temperature in May: 44.3°F
The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38.6°F).
Average daylight in May /
Average sunshine in May
Bar Harbor, ME
- Average daylight in May: 14h and 48min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Bar Harbor, ME
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in May
Bar Harbor, 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
Bar Harbor, ME
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in May
Bar Harbor, ME
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
