July Weather in Mount Vernon

Last updated: March 2, 2024

The weather in Mount Vernon, United States, during July is characterized by an average temperature of 26°C (79°F). Highs can soar to 36°C (97°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Mount Vernon throughout July hovers around 78%.

17°C (62°F)

Minimum temperature

26°C (79°F)

Average temperature

36°C (97°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In July, Mount Vernon averages 85 mm (3.4 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 23 minutes of daylight, with the sun shining for approximately 11 hours 16 minutes each day. Additionally, there is a 56% probability of sunny days during this period.

85 mm (3.4 inches)

Precipitation

11 rainy days

Rainy days

11 hours 16 minutes

Sunshine hours

56%

Chance of sun

UV Index

In July, the UV Index in Mount Vernon reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	3	5	8	10	11	10	9	6	4	2	1
Exposure	Low		Moderate		VeryHigh		Extreme	VeryHigh		High	Moderate	Low
Time to burn	45 min		30 min		15 min		10 min	15 min		25 min	30 min	45 min