April weather forecast
Radnor, IN

Share

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.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

In April, in Radnor, the average high-temperature is 60.1°F (15.6°C), and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in April?

The average relative humidity in April is 75%.

What is the wettest month?

April is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.64" (67mm) of precipitation.

How much does it rain in April?

In Radnor, during April, the rain falls for 14.8 days and regularly aggregates up to 2.64" (67mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 1.3 snowfall days, in April, Radnor aggregates 0.24" (6mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 19min.

What time are sunrise and sunset in April?

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.

How long on average sun shines in April?

The average sunshine duration in April is 7h.

What is the UV index intensity in April?

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Radnor, IN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in April - Radnor, IN
  • Average daylight in April: 13h and 2min

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 - 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 - 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 - 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 - 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).

Radnor, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location