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March Weather in Iron River, United States

Last updated: June 24, 2025

In Iron River, United States, the average temperature in March hovers around -3°C (27°F), with temperatures ranging from a brisk -26°C (-14°F) to a milder 17°C (63°F). Expect about 47 mm (1.8 in) of precipitation over approximately 8 days, contributing to an average humidity of 87%.

March Temperature in Iron River

In March in Iron River, the average temperature is -3°C (27°F), with maximums reaching 17°C (63°F) and minimums as low as -26°C (-14°F). Be prepared for a wide temperature range and pack accordingly for your travels.

March Weather in Iron River: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Iron River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iron River, March typically has an average temperature of -3°C (27°F), with highs reaching up to 17°C (63°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec151527375364686458442920
Data source: Temperature data for Iron River 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 Iron River

In Iron River in March, the precipitation amount is 47 mm (1.8 in) over the course of 8 days.

March Precipitation Trends in Iron River

The chart displays monthly precipitation patterns in Iron River, 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 Iron River, March typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec34514791809498110961095358
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Iron River

In Iron River in March humidity is 87%. With an average temperature of -3°C (27°F), this humidity feels like an icy blanket that wraps around you, making outdoor activities challenging as the cold air mingles with the dampness, leaving travelers feeling chilled to the bone even in short bursts outside.

March Average Humidity in Iron River

This chart illustrates the average monthly humidity levels in Iron River, 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 Iron River is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Iron River

In Iron River 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 Iron River.

Maximum UV Index Levels in Iron River for March

The chart shows the monthly maximum UV Index (UVI) for Iron River 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 Iron River typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458810997532
Data source: Iron River 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 Iron River Compares to Other Months

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

This table compares monthly weather conditions in Iron River, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)34 mm (1.3 inches)89%low
February Weather-10°C (15°F)51 mm (2.0 inches)90%moderate
March Weather-3°C (27°F)47 mm (1.8 inches)87%moderate
April Weather3°C (38°F)91 mm (3.6 inches)84%very high
May Weather12°C (53°F)80 mm (3.2 inches)77%very high
June Weather18°C (64°F)94 mm (3.7 inches)75%very high
July Weather20°C (69°F)98 mm (3.9 inches)74%very high
August Weather18°C (65°F)110 mm (4.3 inches)73%very high
September Weather14°C (58°F)96 mm (3.8 inches)78%high
October Weather7°C (44°F)109 mm (4.3 inches)84%moderate
November Weather-2°C (29°F)53 mm (2.1 inches)89%moderate
December Weather-6°C (21°F)57 mm (2.3 inches)87%low

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