April weather forecast
Indianapolis, IN

The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape
The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape

Weather in April

April is a comfortable spring month in Indianapolis, Indiana, with an average temperature ranging between max 61.5°F (16.4°C) and min 45.1°F (7.3°C).

Temperature

In Indianapolis, the average high-temperature in April rises from a cool 50°F (10°C) in March to an enjoyable 61.5°F (16.4°C). In Indianapolis, the average low-temperature is 45.1°F (7.3°C).

Humidity

In April, the average relative humidity is 76%.

Rainfall

In Indianapolis, during April, the rain falls for 14.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Indianapolis, Indiana, during the entire year, the rain falls for 146.4 days and collects up to 21.14" (537mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Indianapolis. April is the last month it regularly snows. During 0.8 snowfall days, in April, Indianapolis aggregates 0.12" (3mm) of snow. Throughout the year, in Indianapolis, Indiana, there are 28.1 snowfall days, and 7.87" (200mm) of snow is accumulated.

Daylight

In Indianapolis, the average length of the day in April is 13h and 17min.
On the first day of the month, sunrise is at 7:28 am and sunset at 8:08 pm. On the last day of April, in Indianapolis, Indiana, sunrise is at 6:45 am and sunset at 8:37 pm EDT.

Sunshine

In April, the average sunshine in Indianapolis is 7.2h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Indianapolis?

The average relative humidity in April in Indianapolis is 76%.

How much does it rain in Indianapolis in April?

In Indianapolis, Indiana, during April, the rain falls for 14.3 days and regularly aggregates up to 2.24" (57mm) of precipitation.

What is the last month it snows in Indianapolis?

April is the last month it regularly snows. During 0.8 snowfall days, in April, Indianapolis aggregates 0.12" (3mm) of snow.

How many hours of daylight does Indianapolis have in April?

In April, the average day length is 13h and 17min.

When are sunrise and sunset in April in Indianapolis?

On the first day of April, sunrise is at 7:28 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:37 pm EDT.

How long on average sun shines in April in Indianapolis?

In April, the average sunshine duration in Indianapolis, Indiana, is 7.2h.

What is the UV index reading in April in Indianapolis?

In April, the average daily maximum UV index in Indianapolis is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Indianapolis, IN

Average temperature in April - Indianapolis, IN
  • Average high temperature in April: 61.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in April: 45.1°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in April
Indianapolis, IN

Average pressure in April - Indianapolis, 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).

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Average wind speed in April
Indianapolis, IN

Average wind speed in April - Indianapolis, IN
  • Average wind speed in April: 9.4mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in April
Indianapolis, IN

Average humidity in April - Indianapolis, IN
  • Average humidity in April: 76%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in April
Indianapolis, IN

Average rainfall in April - Indianapolis, IN
  • Average rainfall in April: 2.24"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in April
Indianapolis, IN

Average rainfall days in April - Indianapolis, IN
  • Average rainfall days in April: 14.3 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in April
Indianapolis, IN

Average snowfall in April - Indianapolis, IN
  • Average snowfall in April: 0.12"

The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Indianapolis, IN

Average snowfall days in April - Indianapolis, IN
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Indianapolis, IN

Average daylight in April / Average sunshine in April - Indianapolis, IN
  • Average daylight in April: 13h and 17min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in April: 7h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in April
Indianapolis, IN

Average sunshine days in April - Indianapolis, IN
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in April
Indianapolis, IN

Average UV index in April - Indianapolis, IN
  • Average UV index in April: 4

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, October, November and December (UV index 2).

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Average cloud cover in April
Indianapolis, IN

Average cloud cover in April - Indianapolis, IN
  • Average cloud cover in April: 45

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in April
Indianapolis, IN

Average visibility in April - Indianapolis, 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).

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