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
In Ronkonkoma, stepping into May brings a gentle temperature nudge, moving slightly up from April's cool 52.3°F (11.3°C) to an enjoyable 61.2°F (16.2°C). During May, Ronkonkoma's nights hold steady with an average temperature of 54.3°F (12.4°C), barely dropping from the daytime highs.Humidity
May and June, with an average relative humidity of 78%, are the most humid months.Rainfall
In Ronkonkoma, during May, the rain falls for 16.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, in Ronkonkoma, there are 155.3 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, May, October and December. May is the first month it typically snows in Ronkonkoma. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Ronkonkoma, during the entire year, snow falls for 14.7 days and aggregates up to 6.14" (156mm) of snow.Daylight
In Ronkonkoma, 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 5:23 am and sunset at 8:17 pm EDT.
Sunshine
The average sunshine in May in Ronkonkoma is 8.9h.UV index
In Ronkonkoma, 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 the average person.Note: The UV index of 5 during May leads to these advisories:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are the temperatures in Ronkonkoma in May?
What are the most humid months in Ronkonkoma?
What is the average humidity in May in Ronkonkoma?
How much does it rain in Ronkonkoma in May?
When does it start to snow in Ronkonkoma?
What is the average length of the day in May in Ronkonkoma?
When is the sunrise / sunset in May in Ronkonkoma?
How many hours of sunshine does Ronkonkoma have in May?
How high is the UV index in May in Ronkonkoma?
Average temperature in May
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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
Ronkonkoma, 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).
Ronkonkoma, New York, USA
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