March Weather in Winona, United States

Last updated: June 24, 2025

In March, the average temperature in Winona, United States hovers around 15°C (59°F), offering a mild climate for visitors. However, be prepared for fluctuations; temperatures can dip as low as -4°C (25°F) or soar up to 31°C (87°F). Rainfall is quite common, with an average precipitation of 162 mm (6.4 in) spread over 13 days, contributing to the region's average humidity of 82%.

March Temperature in Winona

In March in Winona, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as -4°C (25°F). Be sure to pack for a variety of weather conditions when traveling during this time.

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

The chart illustrates March temperature patterns in Winona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winona, March typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (87°F) and lows dropping to around -4°C (25°F).

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

March Precipitation in Winona

In Winona in March, the precipitation amount is 162 mm (6.4 in) spread over 13 days.

March Precipitation Trends in Winona

The chart displays monthly precipitation patterns in Winona, 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 Winona, March typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Winona

In Winona in March, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

March Average Humidity in Winona

This chart illustrates the average monthly humidity levels in Winona, 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 Winona is approximately 82%, 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 Winona

In Winona 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 Winona.

Maximum UV Index Levels in Winona for March

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

Data source: Winona 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 Winona Compares to Other Months

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

This table compares monthly weather conditions in Winona, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	119 mm (4.7 inches)	85%	moderate
February Weather	10°C (51°F)	183 mm (7.2 inches)	84%	high
March Weather	15°C (59°F)	162 mm (6.4 inches)	82%	very high
April Weather	17°C (63°F)	151 mm (5.9 inches)	82%	very high
May Weather	23°C (73°F)	114 mm (4.5 inches)	82%	extreme
June Weather	26°C (79°F)	127 mm (5.0 inches)	79%	extreme
July Weather	28°C (82°F)	94 mm (3.7 inches)	82%	extreme
August Weather	27°C (81°F)	120 mm (4.7 inches)	77%	extreme
September Weather	25°C (78°F)	93 mm (3.7 inches)	74%	very high
October Weather	19°C (67°F)	126 mm (5.0 inches)	73%	very high
November Weather	12°C (53°F)	80 mm (3.1 inches)	85%	high
December Weather	10°C (50°F)	125 mm (4.9 inches)	88%	moderate