April weather forecastViper, KY
April
Weather in April
April is a comfortable spring month in Viper, Kentucky, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 65.8°F (18.8°C).Temperature
With the onset of April, Viper sees a temperature rise, with the average high-temperature moving from March's fresh 54.3°F (12.4°C) to a refreshing 65.8°F (18.8°C). Throughout April, the nighttime temperature averages to a frosty 45.9°F (7.7°C).Humidity
In Viper, the average relative humidity in April is 76%.Rainfall
In Viper, Kentucky, in April, it is raining for 14.8 days, with typically 2.09" (53mm) of accumulated precipitation. In Viper, during the entire year, the rain falls for 168.8 days and collects up to 24.84" (631mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Viper aggregates 0.2" (5mm) of snow. Throughout the year, there are 33.3 snowfall days, and 11.34" (288mm) of snow is accumulated.Daylight
In Viper, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 7:16 am and sunset at 7:55 pm. On the last day of April, in Viper, sunrise is at 6:38 am and sunset at 8:21 pm EDT.
Sunshine
In Viper, the average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Viper, KY
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in April
Viper, KY
- Average pressure in April: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Viper, KY
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in April
Viper, KY
- Average humidity in April: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in April
Viper, KY
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in April
Viper, KY
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in April
Viper, KY
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Viper, KY
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (10.3 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
Viper, 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 12min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Viper, KY
- Average sunshine days in April: 12.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in April
Viper, KY
- Average UV index in April: 5
The months with the highest UV index are May, June 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
Viper, KY
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Viper, KY
- Average visibility in April: 6mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).





