April weather forecastKnollton Heights, IN
April
Weather in April
April in Knollton Heights, Indiana, is a refreshing spring month, with an average temperature varying between 61.3°F (16.3°C) and 45.1°F (7.3°C).Temperature
The onset of April brings a rise in the average high-temperature, elevating from a frosty 49.5°F (9.7°C) in March to a refreshing 61.3°F (16.3°C). Knollton Heights experiences a nighttime temperature average of 45.1°F (7.3°C) during April.Humidity
In Knollton Heights, the average relative humidity in April is 76%.Rainfall
The wettest months are April and May, with an average 3.43" (87mm) of rainfall.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Knollton Heights. During 1.2 snowfall days, in April, Knollton Heights aggregates 0.16" (4mm) of snow. In Knollton Heights, during the entire year, snow falls for 36.1 days and aggregates up to 10.98" (279mm) of snow.Daylight
In April, the average length of the day in Knollton Heights is 13h and 17min.On the first day of April, sunrise is at 7:27 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:38 pm EDT.
Sunshine
In April, the average sunshine in Knollton Heights is 7.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during April leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Knollton Heights, IN
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 45.1°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 (20.8°F).
Average pressure in April
Knollton Heights, IN
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Knollton Heights, IN
- Average wind speed in April: 9.7mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in April
Knollton Heights, IN
- Average humidity in April: 76%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Knollton Heights, IN
- Average rainfall in April: 3.43"
The wettest months (with the highest rainfall) are April and May (3.43").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in April
Knollton Heights, IN
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in April
Knollton Heights, IN
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Knollton Heights, IN
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Knollton Heights, IN
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Knollton Heights, IN
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in April
Knollton Heights, IN
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Knollton Heights, IN
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Knollton Heights, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





