March Weather in Marion, United States

Last updated: June 24, 2025

In March, the average temperature in Marion, United States hovers around 7°C (45°F). Expect a wide temperature range, with lows diving to -12°C (11°F) and highs soaring up to 27°C (81°F). During this month, precipitation totals 112 mm (4.4 in) over approximately 15 days, contributing to an average humidity level of 86%.

March Temperature in Marion

In March in Marion, the average temperature is 7°C (45°F), with maximums reaching up to 27°C (81°F) and minimums dipping as low as -12°C (11°F). Be prepared for a wide range of temperatures if you plan to visit 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 7°C (45°F), with highs reaching up to 27°C (81°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec344045526167716965564239
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 112 mm (4.4 in) spread over a period of 15 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 112 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec85126112131119111789610211669103
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 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

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%84%83%83%79%66%68%78%89%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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111111010853
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 Weather1°C (35°F)85 mm (3.4 inches)87%moderate
February Weather4°C (40°F)126 mm (5.0 inches)87%high
March Weather7°C (45°F)112 mm (4.4 inches)86%very high
April Weather11°C (52°F)131 mm (5.2 inches)84%extreme
May Weather16°C (61°F)119 mm (4.7 inches)83%extreme
June Weather19°C (67°F)111 mm (4.4 inches)83%extreme
July Weather22°C (71°F)78 mm (3.1 inches)79%extreme
August Weather21°C (70°F)96 mm (3.8 inches)66%very high
September Weather19°C (66°F)102 mm (4.0 inches)68%very high
October Weather13°C (56°F)116 mm (4.6 inches)78%very high
November Weather6°C (43°F)69 mm (2.7 inches)89%moderate
December Weather4°C (39°F)103 mm (4.1 inches)86%moderate

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