April weather forecastRock Stream, NY
April
Weather in April
April in Rock Stream, New York, is a cool spring month, with an average temperature fluctuating between 53.4°F (11.9°C) and 35.4°F (1.9°C).Temperature
As April begins, there is an increase in the average high-temperature, moving from a cold 40.6°F (4.8°C) in March to a cool 53.4°F (11.9°C). Rock Stream, during the month of April, experiences an average low-temperature of 35.4°F (1.9°C).Humidity
April, May and July, with an average relative humidity of 78%, are the least humid months.Rainfall
In Rock Stream, during April, the rain falls for 16.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 168.6 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rock Stream, in April, snow falls for 5.3 days, with typically accumulated 3.15" (80mm) of snow. Throughout the year, in Rock Stream, there are 84 snowfall days, and 38.7" (983mm) of snow is accumulated.Daylight
In April, the average length of the day in Rock Stream is 13h and 24min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:34 pm. On the last day of April, sunrise is at 6:02 am and sunset at 8:06 pm EDT.
Sunshine
In Rock Stream, the average sunshine in April is 7.1h.UV index
In Rock Stream, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rock Stream, NY
- Average high temperature in April: 53.4°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 April: 35.4°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 April
Rock Stream, NY
- Average pressure in April: 29.98"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 April
Rock Stream, NY
- Average wind speed in April: 9mph
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 April
Rock Stream, NY
- Average humidity in April: 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 April
Rock Stream, NY
- Average rainfall in April: 2.87"
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 April
Rock Stream, NY
- Average rainfall days in April: 16.4 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 April
Rock Stream, NY
- Average snowfall in April: 3.15"
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 April
Rock Stream, NY
- Average snowfall days in April: 5.3 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 April /
Average sunshine in April
Rock Stream, NY
- Average daylight in April: 13h and 24min
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 April: 7h and 6min
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 April
Rock Stream, NY
- Average sunshine days in April: 9.3 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 April
Rock Stream, NY
- Average UV index in April: 3
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 April
Rock Stream, NY
- Average cloud cover in April: 54
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 April
Rock Stream, NY
- Average visibility in April: 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).
