April weather forecastRockcastle, KY
April
Weather in April
April is an enjoyable spring month in Rockcastle, Kentucky, with an average temperature fluctuating between 49.8°F (9.9°C) and 67.6°F (19.8°C).Temperature
In Rockcastle, stepping into April brings a temperature increase, moving up from March's 56.8°F (13.8°C) to a still refreshing 67.6°F (19.8°C). Rockcastle observes an average low-temperature of 49.8°F (9.9°C) during April.Humidity
The average relative humidity in April is 77%.Rainfall
In April, the rain falls for 15.3 days. Throughout April, 3.78" (96mm) of precipitation is accumulated. In Rockcastle, during the entire year, the rain falls for 160.8 days and collects up to 35.79" (909mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Rockcastle aggregates 0.04" (1mm) of snow. Throughout the year, there are 15.6 snowfall days, and 6.54" (166mm) of snow is accumulated.Daylight
The average length of the day in April in Rockcastle is 13h and 10min.On the first day of April, sunrise is at 6:36 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:40 pm CDT.
Sunshine
In April, the average sunshine is 8.8h.UV index
In April, the average daily maximum UV index is 5. 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, the maximum UV index of 5 transforms into these recommendations:
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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rockcastle, KY
- Average high temperature in April: 67.6°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in April: 49.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in April
Rockcastle, KY
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in April
Rockcastle, KY
- Average wind speed in April: 8.9mph
The windiest months (with the highest average wind speed) are February and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in April
Rockcastle, KY
- Average humidity in April: 77%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Rockcastle, KY
- Average rainfall in April: 3.78"
The wettest month (with the highest rainfall) is February (4.45").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in April
Rockcastle, KY
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in April
Rockcastle, KY
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Rockcastle, KY
- Average snowfall days in April: 0.3 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rockcastle, KY
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Rockcastle, KY
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in April
Rockcastle, KY
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Rockcastle, KY
- Average cloud cover in April: 40
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in April
Rockcastle, KY
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
