March Weather in Marietta, United States

Last updated: June 24, 2025

In March, the average temperature in Marietta, United States hovers around 14°C (58°F). This month can bring a variety of weather, with temperatures ranging from a chilly -8°C (18°F) to a warm 31°C (88°F). Expect an average precipitation of 95 mm (3.7 in) spread across 10 days, complemented by a high average humidity of 78%, creating a unique blend of weather experiences.

March Temperature in Marietta

In March in Marietta, the average temperature is 14°C (58°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop to as low as -8°C (18°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

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

The chart illustrates March 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, March typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -8°C (18°F).

Data source: Temperature data for Marietta generated using information from the Copernicus Climate Change Service.

March Precipitation in Marietta

In Marietta in March, the total precipitation amount is 95 mm (3.7 in) over the course of 10 days.

March Precipitation Trends in Marietta

The chart displays monthly precipitation patterns in Marietta, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Marietta, March typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Marietta

In Marietta in March, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

March Average Humidity in Marietta

This chart illustrates the average monthly humidity levels in Marietta, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Marietta is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Marietta

In Marietta in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Marietta.

Maximum UV Index Levels in Marietta for March

The chart shows the monthly maximum UV Index (UVI) for Marietta in March, 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 March, the maximum UV index in Marietta typically reaches 8, which falls under the very high exposure category.

Data source: Marietta March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	61 mm (2.4 inches)	80%	moderate
February Weather	8°C (46°F)	84 mm (3.3 inches)	79%	high
March Weather	14°C (58°F)	95 mm (3.7 inches)	78%	very high
April Weather	17°C (63°F)	96 mm (3.8 inches)	78%	very high
May Weather	22°C (73°F)	122 mm (4.8 inches)	81%	extreme
June Weather	27°C (80°F)	103 mm (4.1 inches)	78%	extreme
July Weather	29°C (84°F)	48 mm (1.9 inches)	73%	extreme
August Weather	28°C (83°F)	94 mm (3.7 inches)	66%	extreme
September Weather	25°C (77°F)	102 mm (4.0 inches)	65%	very high
October Weather	18°C (65°F)	138 mm (5.4 inches)	72%	very high
November Weather	12°C (54°F)	50 mm (2.0 inches)	82%	high
December Weather	9°C (49°F)	57 mm (2.2 inches)	87%	moderate