April weather forecastIndex, KY
April
Weather in April
April is a refreshing spring month in Index, Kentucky, with an average temperature varying between 46°F (7.8°C) and 65.8°F (18.8°C).Temperature
As April begins, there is an increase in the average high-temperature, moving from a fresh 53.8°F (12.1°C) in March to an enjoyable 65.8°F (18.8°C). Index's temperature lowers to a mean of 46°F (7.8°C) during the nights in April.Humidity
The average relative humidity in April in Index, Kentucky, is 76%.Rainfall
In Index, in April, it is raining for 15.9 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 162.2 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Index aggregates 0.28" (7mm) of snow. Throughout the year, there are 36.4 snowfall days, and 12.48" (317mm) of snow is accumulated.Daylight
In Index, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 7:17 am and sunset at 7:56 pm. On the last day of April, sunrise is at 6:37 am and sunset at 8:23 pm EDT.
Sunshine
In Index, the average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 5 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Index, KY
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in April
Index, KY
- Average pressure in April: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Index, KY
- Average wind speed in April: 7.2mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in April
Index, KY
- Average humidity in April: 76%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).
Average rainfall in April
Index, KY
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").
Average rainfall days in April
Index, KY
- Average rainfall days in April: 15.9 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in April
Index, KY
- Average snowfall in April: 0.28"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Index, KY
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Index, 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 36min).
- Average sunshine in April: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Index, KY
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in April
Index, 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
Index, KY
- Average cloud cover in April: 43
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Index, KY
- Average visibility in April: 6mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
