Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In Birch Harbor, the onset of May comes with an increased average high-temperature, moving from April's chilly 48.6°F (9.2°C) to a refreshing 58.6°F (14.8°C). The mean low-temperature during May nights is a chilly 44.2°F (6.8°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Birch Harbor, during May, the rain falls for 14.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Birch Harbor, Maine, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
Months with snowfall in Birch Harbor are January through May, October through December. May is the last month it regularly snows in Birch Harbor. During 0.1 snowfall days, in May, Birch Harbor aggregates 0.08" (2mm) of snow. In Birch Harbor, Maine, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.Daylight
In Birch Harbor, Maine, the average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 5:21 am and sunset at 7:36 pm. On the last day of May, sunrise is at 4:50 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in May is 7.8h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Birch Harbor in May?
What is the average humidity in May in Birch Harbor?
How many days does it rain in May in Birch Harbor?
What is the last month it snows in Birch Harbor?
How many hours of daylight does Birch Harbor have in May?
What time are sunrise and sunset in May in Birch Harbor?
How long on average sun shines in May in Birch Harbor?
What is the UV index reading in May in Birch Harbor?
Average temperature in May
Birch 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
Birch 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
Birch 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
Birch 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
Birch 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
Birch 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
Birch 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
Birch 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 daylight in May /
Average sunshine in May
Birch Harbor, 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 5min
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
Birch 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
Birch 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
Birch 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
Birch 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).
Birch Harbor, Maine, USA
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