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April Weather in Marietta, United States

Last updated: June 24, 2025

In Marietta, United States, the average temperature in April hovers around 12°C (54°F). However, you can expect a wide temperature range, with minimums dipping to -4°C (25°F) and maximums soaring up to 30°C (86°F). During this month, precipitation levels accumulate to about 146 mm (5.7 in) spread over 14 days, contributing to a cozy average humidity of 86%. Prepare for a diverse climate that keeps you on your toes!

April Temperature in Marietta

In April in Marietta, the average temperature is 12°C (54°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -4°C (25°F). This variation in temperature makes it essential for travelers to pack accordingly to enjoy their visit comfortably.

April Weather in Marietta: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Marietta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marietta, April typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546472767470594438
Data source: Temperature data for Marietta generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Marietta

In Marietta in April, the precipitation amount is 146 mm (5.7 in) over a span of 14 days.

April Precipitation Trends in Marietta

The chart displays monthly precipitation patterns in Marietta, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Marietta, April typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9112111614614316412311010711686115
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Marietta

In Marietta in April, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

April Average Humidity in Marietta

This chart illustrates the average monthly humidity levels in Marietta, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Marietta is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Marietta

In Marietta in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Marietta.

Maximum UV Index Levels in Marietta for April

The chart shows the monthly maximum UV Index (UVI) for Marietta in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Marietta typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Marietta April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Marietta Compares to Other Months

Weather in Marietta varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Marietta, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Marietta, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)91 mm (3.6 inches)88%moderate
February Weather3°C (38°F)121 mm (4.8 inches)88%moderate
March Weather7°C (45°F)116 mm (4.6 inches)88%high
April Weather12°C (54°F)146 mm (5.7 inches)86%very high
May Weather18°C (65°F)143 mm (5.6 inches)82%very high
June Weather22°C (72°F)164 mm (6.5 inches)84%very high
July Weather25°C (76°F)122 mm (4.8 inches)82%very high
August Weather23°C (74°F)110 mm (4.3 inches)73%very high
September Weather21°C (70°F)107 mm (4.2 inches)73%very high
October Weather15°C (59°F)116 mm (4.6 inches)81%high
November Weather7°C (44°F)86 mm (3.4 inches)89%moderate
December Weather3°C (39°F)115 mm (4.5 inches)86%moderate

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