April weather forecast
Marietta, IN

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Weather in April

April in Marietta, Indiana, is an enjoyable spring month, with an average temperature ranging between max 63°F (17.2°C) and min 45.9°F (7.7°C).

Temperature

April's arrival brings a temperature shift, moving from a cool 50.9°F (10.5°C) in March to an enjoyable 63°F (17.2°C). April brings an average low-temperature of 45.9°F (7.7°C) to Marietta.

Humidity

In April, the average relative humidity in Marietta is 77%.

Rainfall

In April, in Marietta, Indiana, the rain falls for 15.7 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 149.3 rainfall days, and 25.83" (656mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Marietta are January through April, October through December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Marietta aggregates 0.12" (3mm) of snow. In Marietta, during the entire year, snow falls for 28.6 days and aggregates up to 8.15" (207mm) of snow.

Daylight

In Marietta, the average length of the day in April is 13h and 16min.
On the first day of the month, sunrise is at 7:26 am and sunset at 8:07 pm. On the last day of April, sunrise is at 6:44 am and sunset at 8:36 pm EDT.

Sunshine

The average sunshine in April is 7.3h.

UV index

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 during April leads to these advisories:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the usual temperature for Marietta in April?

An average high-temperature, in April, in Marietta, is 63°F (17.2°C) and the average low-temperature is 45.9°F (7.7°C).

What is the average humidity in April in Marietta?

The average relative humidity in April is 77%.

How many days does it rain in April in Marietta?

In Marietta, Indiana, in April, it is raining for 15.7 days, with typically 2.8" (71mm) of accumulated precipitation.

What is the last month it snows in Marietta?

April is the last month it regularly snows. During 0.6 snowfall days, in April, Marietta aggregates 0.12" (3mm) of snow.

How many hours of daylight does Marietta have in April?

In Marietta, the average day length in April is 13h and 16min.

When is the sunrise / sunset in April in Marietta?

In April, on the first day of the month, sunrise is at 7:26 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:36 pm EDT.

How many hours of sunshine does Marietta have in April?

In April, the average sunshine duration is 7.3h.

What is the UV index reading in April in Marietta?

The average daily maximum UV index in April in Marietta, Indiana, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Marietta, IN

Average temperature in April - Marietta, IN
  • Average high temperature in April: 63°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in April: 45.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in April
Marietta, IN

Average pressure in April - Marietta, IN
  • Average pressure in April: 29.96"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
Marietta, IN

Average wind speed in April - Marietta, IN
  • Average wind speed in April: 8.9mph

The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in April
Marietta, IN

Average humidity in April - Marietta, IN
  • Average humidity in April: 77%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in April
Marietta, IN

Average rainfall in April - Marietta, IN
  • Average rainfall in April: 2.8"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in April
Marietta, IN

Average rainfall days in April - Marietta, IN
  • Average rainfall days in April: 15.7 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in April
Marietta, IN

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Marietta, IN

Average snowfall days in April - Marietta, IN
  • Average snowfall days in April: 0.6 days

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in April: 7h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in April
Marietta, IN

Average sunshine days in April - Marietta, IN
  • Average sunshine days in April: 13 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in April
Marietta, IN

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

The months with the highest UV index are 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
Marietta, IN

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in April
Marietta, IN

Average visibility in April - Marietta, 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).

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Marietta, Indiana, USA

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