April weather forecastRock Hill, NY
April
Weather in April
April in Rock Hill, New York, is a fresh spring month, with an average temperature ranging between max 54°F (12.2°C) and min 36.1°F (2.3°C).Temperature
The transition from March to April brings a temperature rise, with average high-temperatures increasing from an icy 41.7°F (5.4°C) to a cool 54°F (12.2°C). During the month of April, the nighttime temperature falls to an average of 36.1°F (2.3°C).Humidity
The average relative humidity in April is 78%.Rainfall
In April, the rain falls for 15.8 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 153.7 rainfall days, and 26.73" (679mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rock Hill, in April, snow falls for 2.5 days, with typically accumulated 0.67" (17mm) of snow. In Rock Hill, during the entire year, snow falls for 42.6 days and aggregates up to 20.98" (533mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of April, in Rock Hill, sunrise is at 5:55 am and sunset at 7:55 pm EDT.
Sunshine
In April, the average sunshine in Rock Hill is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rock Hill, NY
- Average high temperature in April: 54°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in April
Rock Hill, NY
- Average pressure in April: 29.98"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 April
Rock Hill, NY
- Average wind speed in April: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Rock Hill, NY
- Average humidity in April: 78%
The months with the highest relative humidity are February and December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in April
Rock Hill, NY
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are January and February (1.65").
Average rainfall days in April
Rock Hill, NY
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in April
Rock Hill, NY
- Average snowfall in April: 0.67"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rock Hill, NY
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is February (10.4 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 Hill, NY
- Average daylight in April: 13h and 24min
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 12min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in April
Rock Hill, NY
- Average sunshine days in April: 12 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Rock Hill, 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, February, March, October, November and December (UV index 2).
Average cloud cover in April
Rock Hill, NY
- Average cloud cover in April: 52
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in April
Rock Hill, NY
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).





