Indianapolis
Indiana, USA
Long-term weather forecast
Long-term weather forecast
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April weather forecast and Climate
Indianapolis, IN

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The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape, and a perfect blue night sky
The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape, and a perfect blue night sky
April sees an increase in rainfall to 3.8" (96.5mm) as the unpredictable spring season spreads its wings over Indianapolis. The weather warms up to average around 43°F (6.1°C) to 63°F (17.2°C) and the shoulder season is a blessing for budget travelers due to the temperate conditions.
April is the least humid month and has the clearest skies of the year, which adds to the comfort due to the daily sunlight of 7 hours. The snow disappears from the ground, and the icy rivers and creeks abound with freshwater.
Warm jackets and long pants keep any lingering cold at bay!
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  • The average high temperature in April: 63.4°F

The warmest month (with the highest average high temperature) is July (85°F).
The month with the lowest average high temperature is January (35.6°F).

  • The average low temperature in April: 42.7°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 (20.5°F).

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  • The average humidity in April: 65.6%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is April (65.6%).

  • The average rainfall in April: 3.8"

The wettest month (with the highest rainfall) is May (5.1").
The driest month (with the lowest rainfall) is February (2.3").

  • The average rainfall days in April: 12 days

The month with the highest number of rainy days is May (13.1 days).
The month with the lowest number of rainy days is September (8.1 days).

  • The average snowfall in April: 0.2"

The month with the highest snowfall is January (8.6").
Months with the lowest snowfall are May, June, July, August and September (0").

  • The average snowfall days in April: 0.4 days

The month with the highest number of snowfall days is January (7.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

  • The average daylight in April: 13h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in April: 7.2h

The month with most sunshine is June (Average sunshine: 9.6h).
The month with least sunshine is December (Average sunshine: 3.3h).

  • The average UV index in April: 6

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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