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
Centereach observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's fresh 52.3°F (11.3°C) to a comfortable 61.2°F (16.2°C). Centereach observes a slightly reduced average nighttime temperature of 54.3°F (12.4°C) during May.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 78%.Rainfall
In Centereach, in May, it is raining for 16.1 days, with typically 2.91" (74mm) of accumulated precipitation. In Centereach, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October and December. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:49 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:17 pm EDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In Centereach, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What are the most humid months?
What is the average humidity in May in Centereach?
How many days does it rain in May in Centereach?
When does it start snowing?
What is the average length of the day in May in Centereach?
What time are sunrise and sunset in May in Centereach?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Centereach, NY
- Average high temperature in May: 61.2°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in May
Centereach, 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
Centereach, NY
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity in May
Centereach, NY
- Average humidity in May: 78%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Centereach, NY
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in May
Centereach, NY
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Centereach, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days in May
Centereach, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Centereach, 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
Centereach, NY
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in May
Centereach, 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
Centereach, 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 27).
Average visibility in May
Centereach, 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).
Centereach, New York, USA
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