July Weather in Wentzville, United States

Last updated: June 24, 2025

In Wentzville, United States, the average temperature in July hovers around 26°C (80°F), creating a pleasantly warm atmosphere. Temperatures can vary significantly, with a minimum of 16°C (60°F) and a maximum reaching up to 38°C (101°F). During this month, expect 97 mm (3.8 in) of precipitation over approximately 10 days, contributing to an average humidity of 81%. Perfect for those who love a tropical feel!

July Temperature in Wentzville

In July in Wentzville, the average temperature is 26°C (80°F). Maximum can reach 38°C (101°F), and minimum can be as low as 16°C (60°F). Be prepared for warm to hot weather, so pack accordingly for your travels!

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

The chart illustrates July temperature patterns in Wentzville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wentzville, July typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec323546556776797672594439
Data source: Temperature data for Wentzville 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 Wentzville

In Wentzville in July, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

July Precipitation Trends in Wentzville

The chart displays monthly precipitation patterns in Wentzville, 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 Wentzville, July typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec72781281211458497139561106852
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Wentzville

In Wentzville in July, humidity is 81%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and requiring frequent breaks to stay refreshed and hydrated.

July Average Humidity in Wentzville

This chart illustrates the average monthly humidity levels in Wentzville, 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 Wentzville is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Wentzville

In Wentzville 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 Wentzville.

Maximum UV Index Levels in Wentzville for July

The chart shows the monthly maximum UV Index (UVI) for Wentzville 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 Wentzville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109653
Data source: Wentzville 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 Wentzville Compares to Other Months

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

This table compares monthly weather conditions in Wentzville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)72 mm (2.9 inches)82%moderate
February Weather2°C (35°F)78 mm (3.1 inches)80%moderate
March Weather8°C (47°F)128 mm (5.0 inches)80%high
April Weather13°C (55°F)121 mm (4.8 inches)80%very high
May Weather19°C (67°F)145 mm (5.7 inches)82%very high
June Weather25°C (76°F)84 mm (3.3 inches)83%extreme
July Weather26°C (80°F)97 mm (3.8 inches)81%extreme
August Weather24°C (76°F)139 mm (5.5 inches)80%very high
September Weather22°C (72°F)56 mm (2.2 inches)76%very high
October Weather15°C (59°F)110 mm (4.3 inches)76%high
November Weather7°C (44°F)68 mm (2.7 inches)85%moderate
December Weather4°C (39°F)52 mm (2.1 inches)86%moderate

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