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April Weather in Marietta, United States

Last updated: June 24, 2025

In April, the average temperature in Marietta, United States hovers around 17°C (63°F). However, you might experience a range, with minimums dipping to -1°C (30°F) and soaring highs reaching 33°C (92°F). Expect a precipitation amount of 96 mm (3.8 in) over approximately 9 days, and prepare for a rather humid atmosphere, with an average humidity of 78%.

April Temperature in Marietta

In April in Marietta, the average temperature is 17°C (63°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -1°C (30°F). Be sure to pack clothing suitable for both warm and cool conditions while exploring.

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 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434657637280848377655448
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 total precipitation amount is 96 mm (3.8 in) spread over a period of 9 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 96 mm (3.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6184959612210348941021385157
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 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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 Weather6°C (44°F)61 mm (2.4 inches)80%moderate
February Weather8°C (46°F)84 mm (3.3 inches)79%high
March Weather14°C (58°F)95 mm (3.7 inches)78%very high
April Weather17°C (63°F)96 mm (3.8 inches)78%very high
May Weather22°C (73°F)122 mm (4.8 inches)81%extreme
June Weather27°C (80°F)103 mm (4.1 inches)78%extreme
July Weather29°C (84°F)48 mm (1.9 inches)73%extreme
August Weather28°C (83°F)94 mm (3.7 inches)66%extreme
September Weather25°C (77°F)102 mm (4.0 inches)65%very high
October Weather18°C (65°F)138 mm (5.4 inches)72%very high
November Weather12°C (54°F)50 mm (2.0 inches)82%high
December Weather9°C (49°F)57 mm (2.2 inches)87%moderate

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