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March Weather in Green Bay, United States

Last updated: June 24, 2025

In Green Bay, United States, the average temperature in March hovers around 1°C (33°F). Expect a chilly range where the minimum can plummet to -23°C (-10°F), while a milder maximum reaches 19°C (66°F). During this month, you'll encounter 59 mm (2.3 in) of precipitation over approximately 8 days, paired with a high average humidity of 87%. Prepare for a cool and damp experience!

March Temperature in Green Bay

In March in Green Bay, the average temperature is 1°C (33°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as -23°C (-10°F). Be prepared for a wide range of temperatures and pack accordingly when traveling to Green Bay during this month.

March Weather in Green Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Green Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green Bay, March typically has an average temperature of 1°C (33°F), with highs reaching up to 19°C (66°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec212133435668737063503527
Data source: Temperature data for Green Bay 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 Green Bay

In Green Bay in March, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

March Precipitation Trends in Green Bay

The chart displays monthly precipitation patterns in Green Bay, 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 Green Bay, March typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4048599910610610810765944854
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Green Bay

In Green Bay in March, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

March Average Humidity in Green Bay

This chart illustrates the average monthly humidity levels in Green Bay, 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 Green Bay 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 Green Bay

In Green Bay 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 Green Bay.

Maximum UV Index Levels in Green Bay for March

The chart shows the monthly maximum UV Index (UVI) for Green Bay 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 Green Bay typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Green Bay 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 Green Bay Compares to Other Months

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

This table compares monthly weather conditions in Green Bay, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)40 mm (1.6 inches)89%low
February Weather-6°C (21°F)48 mm (1.9 inches)90%moderate
March Weather1°C (33°F)59 mm (2.3 inches)87%moderate
April Weather6°C (43°F)99 mm (3.9 inches)84%high
May Weather14°C (57°F)106 mm (4.2 inches)77%very high
June Weather20°C (68°F)106 mm (4.2 inches)75%very high
July Weather23°C (73°F)108 mm (4.2 inches)74%very high
August Weather21°C (70°F)107 mm (4.2 inches)73%very high
September Weather17°C (63°F)65 mm (2.5 inches)78%high
October Weather10°C (50°F)94 mm (3.7 inches)84%moderate
November Weather2°C (35°F)48 mm (1.9 inches)89%moderate
December Weather-3°C (27°F)54 mm (2.1 inches)87%low

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