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July Weather in Mount Vernon, United States

Last updated: June 24, 2025

In July, the average temperature in Mount Vernon, United States is 27°C (80°F), with a comfortable range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F). Expect about 75 mm (3.0 in) of precipitation over 10 days, and enjoy the balmy atmosphere with an average humidity of 79%. Perfect for soaking up the local vibes!

July Temperature in Mount Vernon

In July in Mount Vernon, the average temperature is 27°C (80°F). Maximums can reach 36°C (97°F), while minimums can dip as low as 16°C (61°F). This pleasant climate makes Mount Vernon an ideal destination for travelers seeking a warm and comfortable escape.

July Weather in Mount Vernon: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Mount Vernon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Vernon, July typically has an average temperature of 27°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec353948576977807773614541
Data source: Temperature data for Mount Vernon 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 Mount Vernon

In Mount Vernon in July, the precipitation amount is 75 mm (3.0 in) spread over a duration of 10 days.

July Precipitation Trends in Mount Vernon

The chart displays monthly precipitation patterns in Mount Vernon, 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 Mount Vernon, July typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec971141381201261137580791099092
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Mount Vernon

In Mount Vernon in July humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

July Average Humidity in Mount Vernon

This chart illustrates the average monthly humidity levels in Mount Vernon, 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 Mount Vernon is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Mount Vernon

In Mount Vernon in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mount Vernon.

Maximum UV Index Levels in Mount Vernon for July

The chart shows the monthly maximum UV Index (UVI) for Mount Vernon 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 Mount Vernon typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111110109753
Data source: Mount Vernon 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 Mount Vernon Compares to Other Months

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

This table compares monthly weather conditions in Mount Vernon, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)97 mm (3.8 inches)86%moderate
February Weather4°C (39°F)114 mm (4.5 inches)84%moderate
March Weather9°C (49°F)138 mm (5.4 inches)84%high
April Weather14°C (57°F)120 mm (4.7 inches)80%very high
May Weather20°C (69°F)126 mm (5.0 inches)82%extreme
June Weather25°C (77°F)113 mm (4.5 inches)83%extreme
July Weather27°C (80°F)75 mm (3.0 inches)79%very high
August Weather25°C (78°F)80 mm (3.2 inches)76%very high
September Weather23°C (73°F)79 mm (3.1 inches)75%very high
October Weather16°C (61°F)109 mm (4.3 inches)74%high
November Weather7°C (46°F)90 mm (3.5 inches)85%moderate
December Weather5°C (41°F)92 mm (3.6 inches)88%moderate

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