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 witnesses an increase in the average high-temperature, moving from a cool 53.8°F (12.1°C) in April to a refreshing 63.7°F (17.6°C). An average low-temperature of 54.3°F (12.4°C) is anticipated throughout the nights during May.Humidity
May and June, with an average relative humidity of 76%, are the most humid months in Syosset.Rainfall
In Syosset, during May, the rain falls for 10 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Syosset, there are 103.6 rainfall days, and 7.83" (199mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Syosset.Daylight
The average length of the day in May in Syosset is 14h and 29min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:50 pm. On the last day of May, in Syosset, New York, sunrise is at 5:24 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May in Syosset is 8.8h.UV index
In Syosset, 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 unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Syosset in May?
What are the most humid months in Syosset?
What is the average humidity in May in Syosset?
How much does it rain in Syosset in May?
When it does not snow in Syosset?
How many hours of daylight does Syosset have in May?
When are sunrise and sunset in May in Syosset?
How many hours of sunshine does Syosset have in May?
What is the UV index intensity in May in Syosset?
Average temperature in May
Syosset, NY
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 54.3°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Syosset, 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
Syosset, NY
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in May
Syosset, NY
- Average humidity in May: 76%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Syosset, NY
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in May
Syosset, NY
- Average rainfall days in May: 10 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in May
Syosset, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Syosset, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.4 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
Syosset, 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 5min
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 42min).
Average sunshine days in May
Syosset, NY
- Average sunshine days in May: 18.2 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in May
Syosset, 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
Syosset, NY
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Syosset, 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).
Syosset, New York, USA
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