April weather forecastRadnor, IN
April
Weather in April
April is a moderate spring month in Radnor, Indiana, with an average temperature ranging between max 60.1°F (15.6°C) and min 43.7°F (6.5°C).Temperature
The start of April is characterized by an increase in the average high-temperature, transitioning from a frosty 48.2°F (9°C) in March to a moderate 60.1°F (15.6°C). Throughout April, Radnor encounters an average temperature drop to a frosty 43.7°F (6.5°C).Humidity
In April, the average relative humidity is 75%.Rainfall
The month with the most rainfall is April, when the rain falls for 14.8 days and typically aggregates up to 2.64" (67mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Radnor aggregates 0.24" (6mm) of snow. Throughout the year, there are 37.1 snowfall days, and 8.15" (207mm) of snow is accumulated.Daylight
In Radnor, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 7:28 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:41 pm EDT.
Sunshine
In April, the average sunshine is 7h.UV index
The average daily maximum UV index in April in Radnor is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Radnor, IN
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in April: 43.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in April
Radnor, IN
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Radnor, IN
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Radnor, IN
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Radnor, IN
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in April
Radnor, IN
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in April
Radnor, IN
- Average snowfall in April: 0.24"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Radnor, IN
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Radnor, 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 18min).
- Average sunshine in April: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Radnor, IN
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
Radnor, IN
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Radnor, IN
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in April
Radnor, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





