Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift from March to April sees an increase in the average high-temperature, transitioning from a moderate 56.8°F (13.8°C) to an enjoyable 67.6°F (19.8°C). During the month of April, the temperature generally drops to a low average of 49.8°F (9.9°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In April, in Rockcastle, 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 in Rockcastle 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. In Rockcastle, during the entire year, snow falls for 15.6 days and aggregates up to 6.54" (166mm) of snow.Daylight
In Rockcastle, the average length of the day in April is 13h and 10min.On the first day of April in Rockcastle, Kentucky, 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 Rockcastle, Kentucky, the average sunshine in April is 8.8h.UV index
In Rockcastle, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. To guard against the harmful effects of the Sun, minimize exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are April temperatures in Rockcastle?
What is the average humidity in April in Rockcastle?
How many days does it rain in April in Rockcastle?
What is the last month it snows in Rockcastle?
What is the average length of the day in April in Rockcastle?
When is the sunrise / sunset in April in Rockcastle?
How long on average sun shines in April in Rockcastle?
How high is the UV index in April in Rockcastle?
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 1min
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 5min
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).
Rockcastle, Kentucky, USA
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