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July Weather in Winona, United States

Last updated: June 24, 2025

In Winona, United States, the average temperature in July hovers around 29°C (84°F). While you can expect pleasant days, temperatures can range from a cool 19°C (66°F) to a scorching 41°C (106°F). Be prepared for 86 mm (3.4 in) of precipitation over about 11 days, and maintain your hydration, as the air carries an average humidity of 73%. Enjoy your time, but pack accordingly!

July Temperature in Winona

In July in Winona, the average temperature is 29°C (84°F), with maximums reaching up to 41°C (106°F) and minimums dropping to as low as 19°C (66°F). Travelers should be prepared for hot days and cooler nights when visiting during this time.

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 29°C (84°F), with highs reaching up to 41°C (106°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec485060657481848479685752
Data source: Temperature data for Winona 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.

July Precipitation in Winona

In Winona in July, the precipitation amount is 86 mm (3.4 in), spread over 11 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 86 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec11015012914516010986769810469120
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Winona

In Winona in July, humidity is 73%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable as you sweat and seek shade, yet still inviting you to explore the vibrant local culture and activities.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)110 mm (4.3 inches)80%moderate
February Weather10°C (50°F)150 mm (5.9 inches)79%high
March Weather16°C (61°F)129 mm (5.1 inches)78%very high
April Weather18°C (65°F)145 mm (5.7 inches)78%very high
May Weather23°C (74°F)160 mm (6.3 inches)81%extreme
June Weather27°C (81°F)109 mm (4.3 inches)78%extreme
July Weather29°C (84°F)86 mm (3.4 inches)73%extreme
August Weather29°C (84°F)75 mm (3.0 inches)66%extreme
September Weather26°C (79°F)98 mm (3.9 inches)65%very high
October Weather20°C (69°F)104 mm (4.1 inches)72%very high
November Weather14°C (57°F)69 mm (2.7 inches)82%high
December Weather11°C (53°F)120 mm (4.7 inches)87%moderate

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