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
Long Island in May shows a temperature shift, moving from an average high of a chilly 47.8°F (8.8°C) in April to a mild 57.4°F (14.1°C). Throughout the month of May, Long Island witnesses an average temperature of 46.9°F (8.3°C).Humidity
The average relative humidity in May is 81%.Rainfall
In Long Island, in May, during 13.2 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Long Island, during the entire year, the rain falls for 127 days and collects up to 21.93" (557mm) of precipitation.Snowfall
In Long Island, snow does not fall in May through September.Daylight
The average length of the day in May in Long Island is 14h and 44min.On the first day of May in Long Island, sunrise is at 5:31 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 8:15 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In Long Island, Maine, 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: An average UV index of 4 in May transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Long Island in May?
What is the average humidity in May in Long Island?
How much does it rain in Long Island in May?
When it does not snow in Long Island?
Does it snow in Long Island in May?
How many hours of daylight does Long Island have in May?
When is the sunrise / sunset in May in Long Island?
How long on average sun shines in May in Long Island?
What is the UV index reading in May in Long Island?
Average temperature in May
Long Island, ME
- Average high temperature in May: 57.4°F
The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Long Island, ME
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Long Island, ME
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in May
Long Island, ME
- Average humidity in May: 81%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
Long Island, ME
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in May
Long Island, ME
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in May
Long Island, ME
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Long Island, ME
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Long Island, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Long Island, ME
- Average sunshine days in May: 16 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in May
Long Island, 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
Long Island, ME
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Long Island, 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).
Long Island, Maine, USA
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