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
May's onset witnesses a shift in the average high-temperature, moving from a cool 52.9°F (11.6°C) in April to a comfortable 63°F (17.2°C). An average nighttime temperature of 50.9°F (10.5°C) is witnessed throughout May.Humidity
The average relative humidity in May is 79%.Rainfall
In Fishers Island, in May, it is raining for 16.5 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 164.2 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Fishers Island aggregates 0.2" (5mm) of snow. In Fishers Island, during the entire year, snow falls for 23.4 days and aggregates up to 7.48" (190mm) of snow.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May, sunrise is at 5:44 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Fishers Island have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Fishers Island, NY
- Average high temperature in May: 63°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Fishers Island, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Fishers Island, NY
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in May
Fishers Island, NY
- Average humidity in May: 79%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in May
Fishers Island, NY
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Fishers Island, NY
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in May
Fishers Island, NY
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Fishers Island, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.6 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
Fishers Island, NY
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Fishers Island, NY
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in May
Fishers Island, NY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Fishers Island, NY
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Fishers Island, NY
- 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).
Fishers Island, New York, USA
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