July Weather in Winona, United States

Last updated: June 24, 2025

In July, the average temperature in Winona, United States reaches a warm 28°C (82°F). Expect a comfortable minimum of 18°C (64°F) and the possibility of hitting a sweltering 37°C (99°F). With an average humidity of 82%, it's a humid period, complemented by 94 mm (3.7 in) of precipitation spread across 15 days of the month. Prepare accordingly for a mix of warmth and occasional rain!

July Temperature in Winona

In July in Winona, the average temperature is 28°C (82°F). Maximums can reach 37°C (99°F), while minimums can be as low as 18°C (64°F). This makes Winona a perfect destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (64°F).

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

July Precipitation in Winona

In Winona in July, the precipitation amount is 94 mm (3.7 in) over a span of 15 days.

July Precipitation Trends in Winona

The chart displays monthly precipitation patterns in Winona, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Winona, July typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Winona

In Winona in July humidity is 82%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, dense blanket, making outdoor activities a challenge and necessitating frequent breaks to stay hydrated.

July Average Humidity in Winona

This chart illustrates the average monthly humidity levels in Winona, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Winona is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Winona

In Winona in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Winona.

Maximum UV Index Levels in Winona for July

The chart shows the monthly maximum UV Index (UVI) for Winona in July, 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 July, the maximum UV index in Winona typically reaches 11, which falls under the extreme exposure category.

Data source: Winona July 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 July 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 July’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 July’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