April weather forecastClarksville, IN
April
Weather in April
April is an enjoyable spring month in Clarksville, Indiana, with an average temperature fluctuating between 47.5°F (8.6°C) and 66.2°F (19°C).Temperature
April's arrival brings a temperature shift, moving from a cool 54.1°F (12.3°C) in March to a refreshing 66.2°F (19°C). In the month of April, Clarksville witnesses a consistent average low-temperature of 47.5°F (8.6°C).Humidity
In Clarksville, the average relative humidity in April is 76%.Rainfall
In Clarksville, in April, during 13.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 145.2 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
Months with snowfall in Clarksville are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Clarksville aggregates 0.16" (4mm) of snow. Throughout the year, there are 25 snowfall days, and 3.7" (94mm) of snow is accumulated.Daylight
In Clarksville, the average length of the day in April is 13h and 13min.On the first day of April, sunrise is at 7:26 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:33 pm EDT.
Sunshine
In April, the average sunshine is 7.7h.UV index
In Clarksville, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in April interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Clarksville, IN
- Average high temperature in April: 66.2°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 47.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in April
Clarksville, IN
- 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 (29.95"Hg).
Average wind speed in April
Clarksville, IN
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in April
Clarksville, IN
- Average humidity in April: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in April
Clarksville, IN
- Average rainfall in April: 1.81"
The wettest months (with the highest rainfall) are May and July (1.89").
The driest months (with the least rainfall) are January and September (1.06").
Average rainfall days in April
Clarksville, IN
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in April
Clarksville, IN
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Clarksville, IN
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (7.3 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
Clarksville, IN
- 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 36min).
- Average sunshine in April: 7h and 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in April
Clarksville, IN
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in April
Clarksville, IN
- 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, November and December (UV index 2).
Average cloud cover in April
Clarksville, IN
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Clarksville, IN
- Average visibility in April: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
