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
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a cool 52.9°F (11.6°C) to a refreshing 62.6°F (17°C). Rockville Centre observes a minimal variance in temperature, with a consistent average low of 54.5°F (12.5°C) during the nights of May.Humidity
May and June, with an average relative humidity of 78%, are the most humid months in Rockville Centre.Rainfall
In Rockville Centre, in May, during 16.5 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Rockville Centre, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.Snowfall
In Rockville Centre, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May, sunrise is at 5:52 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:18 pm EDT.
Sunshine
In Rockville Centre, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Rockville Centre is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Rockville Centre?
What is the most humid month in Rockville Centre?
What is the average humidity in May in Rockville Centre?
How many days does it rain in May in Rockville Centre?
When it does not snow in Rockville Centre?
Does it snow in Rockville Centre in May?
How many hours of daylight does Rockville Centre have in May?
When are sunrise and sunset in May in Rockville Centre?
How long on average sun shines in May in Rockville Centre?
What is the UV index intensity in May in Rockville Centre?
Average temperature in May
Rockville Centre, NY
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.5°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 (29.7°F).
Average pressure in May
Rockville Centre, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Rockville Centre, NY
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in May
Rockville Centre, 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
Rockville Centre, NY
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in May
Rockville Centre, NY
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Rockville Centre, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Rockville Centre, NY
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (4.5 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
Rockville Centre, 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: 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
Rockville Centre, NY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Rockville Centre, 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
Rockville Centre, 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
Rockville Centre, 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).
Rockville Centre, New York, USA
Weather forecast for your location
2. Allow the app to use your location