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 sees a rise in the average high-temperature, climbing from a fresh 53.1°F (11.7°C) in April to a refreshing 62.6°F (17°C). In Commack, the nighttime temperature in May descends gently to an average of 54°F (12.2°C).Humidity
With an average relative humidity of 77%, May is the most humid month.Rainfall
In Commack, during May, the rain falls for 16.4 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 155.9 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
In Commack, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:50 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In Commack, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Commack in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Commack have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Commack have in May?
What is the UV index reading in May in Commack?
Average temperature in May
Commack, NY
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in May
Commack, 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
Commack, NY
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in May
Commack, NY
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Commack, NY
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in May
Commack, NY
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Commack, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Commack, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.8 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
Commack, 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 48min).
Average sunshine days in May
Commack, NY
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in May
Commack, 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
Commack, NY
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Commack, 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).
Commack, New York, USA
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