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
East Islip sees an increase in the average high-temperature with the arrival of May, moving from April's fresh 52.9°F (11.6°C) to a comfortable 62.2°F (16.8°C). In East Islip, a slight decrease from the daytime peak is noted during the month of May, with an average low-temperature of 54.5°F (12.5°C).Humidity
The months with the highest humidity in East Islip are May and June, with an average relative humidity of 77%.Rainfall
In East Islip, New York, in May, during 15.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in East Islip, there are 153.2 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
In East Islip, snow does not fall in April through September.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May in East Islip, sunrise is at 5:50 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:17 pm EDT.
Sunshine
In May, the average sunshine is 9h.UV index
In May, the average daily maximum UV index in East Islip, New York, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average May temperature in East Islip?
What is the most humid month in East Islip?
What is the average humidity in May in East Islip?
How many days does it rain in May in East Islip?
When it does not snow in East Islip?
What is the average length of the day in May in East Islip?
When is the sunrise / sunset in May in East Islip?
How long on average sun shines in May in East Islip?
How high is the UV index in May in East Islip?
Average temperature in May
East Islip, NY
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in May
East Islip, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
East Islip, NY
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in May
East Islip, NY
- Average humidity in May: 77%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
East Islip, NY
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
East Islip, NY
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
East Islip, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
East Islip, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.2 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
East Islip, NY
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
East Islip, NY
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
East Islip, 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 and December (UV index 2).
Average cloud cover in May
East Islip, NY
- Average cloud cover in May: 41
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
East Islip, 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).
East Islip, New York, USA
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