April weather forecastNapoleon, KY
April
Weather in April
April is a comfortable spring month in Napoleon, Kentucky, with an average temperature varying between 64.8°F (18.2°C) and 45.5°F (7.5°C).Temperature
April indicates a change in the average high-temperature, moving up from a cool 52.3°F (11.3°C) in March to an enjoyable 64.8°F (18.2°C). Throughout the month of April, Napoleon sees a steady low-temperature average of 45.5°F (7.5°C).Humidity
In Napoleon, the average relative humidity in April is 77%.Rainfall
In Napoleon, Kentucky, during April, the rain falls for 12.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Napoleon, during the entire year, the rain falls for 121.2 days and collects up to 10.87" (276mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Napoleon. April is the last month it regularly snows in Napoleon. During 0.5 snowfall days, in April, Napoleon aggregates 0.04" (1mm) of snow. Throughout the year, in Napoleon, there are 21.9 snowfall days, and 1.97" (50mm) of snow is accumulated.Daylight
In Napoleon, the average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 7:22 am and sunset at 8:03 pm. On the last day of April, sunrise is at 6:41 am and sunset at 8:30 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Napoleon, Kentucky, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Napoleon, KY
- Average high temperature in April: 64.8°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 (37.4°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Napoleon, KY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Napoleon, KY
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Napoleon, KY
- Average humidity in April: 77%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in April
Napoleon, KY
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in April
Napoleon, KY
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in April
Napoleon, KY
- Average snowfall in April: 0.04"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Napoleon, KY
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Napoleon, KY
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Napoleon, KY
- Average sunshine days in April: 15.2 days
The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in April
Napoleon, KY
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Napoleon, KY
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Napoleon, KY
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
