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
Rock Stream's transition into May is marked by a temperature shift, moving from a cool 53.4°F (11.9°C) in April to a refreshing 66.9°F (19.4°C). Rock Stream's average low-temperature in May is measured at a frosty 46.9°F (8.3°C).Humidity
April, May and July, with an average relative humidity of 78%, are the least humid months.Rainfall
In Rock Stream, in May, during 17.9 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, in Rock Stream, there are 168.6 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Rock Stream. During 0.6 snowfall days, in May, Rock Stream aggregates 0.24" (6mm) of snow. Throughout the year, there are 84 snowfall days, and 38.7" (983mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:37 pm EDT.
Sunshine
The average sunshine in May in Rock Stream is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Rock Stream?
What are the least humid months in Rock Stream?
What is the average humidity in May in Rock Stream?
How many days does it rain in May in Rock Stream?
What is the last month it snows in Rock Stream?
How many hours of daylight does Rock Stream have in May?
What time are sunrise and sunset in May in Rock Stream?
How long on average sun shines in May in Rock Stream?
What are the months with the highest UV index in Rock Stream?
What is the UV index reading in May in Rock Stream?
Average temperature in May
Rock Stream, NY
- Average high temperature in May: 66.9°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 (28.4°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Rock Stream, NY
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Rock Stream, NY
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
Rock Stream, NY
- Average humidity in May: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and July (78%).
Average rainfall in May
Rock Stream, NY
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Rock Stream, NY
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in May
Rock Stream, NY
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rock Stream, NY
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rock Stream, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in May
Rock Stream, NY
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in May
Rock Stream, NY
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Rock Stream, NY
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Rock Stream, NY
- Average visibility in May: 5mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (5mi).
Rock Stream, New York, USA
Weather forecast for your location
2. Allow the app to use your location