April weather forecast
Marietta, IN

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Weather in April

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

Temperature

April marks a rise in the average high-temperature, moving from March's fresh 50.9°F (10.5°C) to a refreshing 63°F (17.2°C). Marietta's temperature lowers to a mean of 45.9°F (7.7°C) during the nights in April.

Humidity

The average relative humidity in April in Marietta, Indiana, is 77%.

Rainfall

In Marietta, during April, the rain falls for 15.7 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Marietta, during the entire year, the rain falls for 149.3 days and collects up to 25.83" (656mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in Marietta. During 0.6 snowfall days, in April, Marietta aggregates 0.12" (3mm) of snow. Throughout the year, there are 28.6 snowfall days, and 8.15" (207mm) of snow is accumulated.

Daylight

The average length of the day in April in Marietta 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 estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in April translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

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

What is the average humidity in April in Marietta?

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

How much does it rain in April?

In Marietta, during April, the rain falls for 15.7 days and regularly aggregates up to 2.8" (71mm) of precipitation.

What is the last month it snows?

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?

The average day length in April is 13h and 16min.

When is the sunrise / sunset in April?

On the first day of April, 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 Marietta, the average sunshine duration in April is 7.3h.

How high is the UV index in April?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Marietta, Indiana, USA

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