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
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a chilly 45.5°F (7.5°C) in April to a fresh 52.3°F (11.3°C). Long Island, in the month of May, notes an average low temperature of 45.1°F (7.3°C), indicating a small decrease from the daytime highs.Humidity
The average relative humidity in May is 82%.Rainfall
May is the month with the least rainfall. Rain falls for 15.8 days and accumulates 2.91" (74mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Long Island aggregates 0.04" (1mm) of snow. Throughout the year, there are 45.8 snowfall days, and 47.48" (1206mm) of snow is accumulated.Daylight
In Long Island, the average length of the day in May is 16h and 11min.On the first day of May, sunrise is at 5:08 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 4:19 am and sunset at 9:17 pm AKDT.
Sunshine
With an average of 7.3h of sunshine, May has the most sunshine of the year.UV index
The average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
What is the driest month?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Long Island have in May?
What time are sunrise and sunset in May?
What month has the most sunshine?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Long Island, AK
- Average high temperature in May: 52.3°F
The warmest month (with the highest average high temperature) is August (59.7°F).
The month with the lowest average high temperature is December (38.1°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (33.3°F).
Average pressure in May
Long Island, AK
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.79"Hg).
Average wind speed in May
Long Island, AK
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in May
Long Island, AK
- Average humidity in May: 82%
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is March (80%).
Average rainfall in May
Long Island, AK
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is November (9.29").
The driest month (with the least rainfall) is May (2.91").
Average rainfall days in May
Long Island, AK
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is October (21.4 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in May
Long Island, AK
- Average snowfall in May: 0.04"
The month with the highest snowfall is March (10.94").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Long Island, AK
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Long Island, AK
- Average daylight in May: 16h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Long Island, AK
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is November (5.8 days).
Average UV index in May
Long Island, AK
- Average UV index in May: 3
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Long Island, AK
- Average cloud cover in May: 54
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are May and September (Cloud cover 54).
Average visibility in May
Long Island, AK
- 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, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location