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March Weather in Marion, United States

Last updated: June 24, 2025

In March, the average temperature in Marion, United States hovers around 0°C (33°F). Expect a chilly minimum of -19°C (-3°F) and a warmer maximum reaching 21°C (70°F). During this month, you can anticipate 56 mm (2.2 in) of precipitation over approximately 10 days, contributing to an average humidity of 86%.

March Temperature in Marion

In March in Marion, average temperature is 0°C (33°F). Maximum can reach 21°C (70°F) and minimum can be as low as -19°C (-3°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates March temperature patterns in Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marion, March typically has an average temperature of 0°C (33°F), with highs reaching up to 21°C (70°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec222333435666726962493528
Data source: Temperature data for Marion 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.

March Precipitation in Marion

In Marion in March, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

March Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, 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 Marion, March typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec555656971161128396901315866
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Marion

In Marion in March humidity is 86%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that permeates your clothes, making traveling uncomfortable and necessitating warm, layered clothing to stay dry and cozy.

March Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, 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 Marion is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Marion

In Marion in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Marion.

Maximum UV Index Levels in Marion for March

The chart shows the monthly maximum UV Index (UVI) for Marion 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 Marion typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Marion 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 Marion Compares to Other Months

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

This table compares monthly weather conditions in Marion, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)55 mm (2.2 inches)87%low
February Weather-5°C (23°F)56 mm (2.2 inches)87%moderate
March Weather0°C (33°F)56 mm (2.2 inches)86%moderate
April Weather6°C (43°F)97 mm (3.8 inches)87%very high
May Weather14°C (57°F)116 mm (4.5 inches)82%very high
June Weather19°C (67°F)112 mm (4.4 inches)81%very high
July Weather22°C (72°F)83 mm (3.3 inches)78%very high
August Weather21°C (69°F)96 mm (3.8 inches)79%very high
September Weather17°C (62°F)90 mm (3.5 inches)79%high
October Weather10°C (50°F)131 mm (5.2 inches)82%moderate
November Weather2°C (36°F)58 mm (2.3 inches)87%moderate
December Weather-2°C (28°F)66 mm (2.6 inches)86%low

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