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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 hovers around 24°C (75°F), offering a delightful climate for exploration. Expect temperatures to dip to a minimum of 13°C (55°F) and rise to a maximum of 33°C (91°F). However, brace for 115 mm (4.5 in) of precipitation spread over 13 days, contributing to an average humidity level of 81%. Enjoy the vibrant atmosphere while staying prepared for the occasional shower!

July Temperature in Mount Vernon

In July, in Mount Vernon, the average temperature is 24°C (75°F), with maximums reaching up to 33°C (91°F) and minimums dropping to as low as 13°C (55°F). This makes it an ideal destination for travelers seeking pleasant weather and a comfortable climate.

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 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec303341516371757268574135
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 115 mm (4.5 in) spread over 13 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 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8310210813012514011583831009697
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 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather-1°C (30°F)83 mm (3.3 inches)88%moderate
February Weather0°C (33°F)102 mm (4.0 inches)87%moderate
March Weather5°C (41°F)108 mm (4.2 inches)87%high
April Weather10°C (51°F)130 mm (5.1 inches)87%very high
May Weather17°C (63°F)124 mm (4.9 inches)81%very high
June Weather22°C (71°F)140 mm (5.5 inches)82%very high
July Weather24°C (75°F)115 mm (4.5 inches)81%very high
August Weather22°C (73°F)83 mm (3.3 inches)78%very high
September Weather20°C (68°F)83 mm (3.3 inches)78%very high
October Weather14°C (57°F)100 mm (4.0 inches)82%high
November Weather5°C (41°F)96 mm (3.8 inches)89%moderate
December Weather2°C (35°F)97 mm (3.8 inches)86%low

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