July Weather in Lewisville

Last updated: March 2, 2024

The weather in Lewisville, United States, during July is characterized by an average temperature of 28°C (83°F). Highs can soar to 37°C (99°F), while lows may dip to 20°C (69°F). Typically, the humidity level in Lewisville throughout July hovers around 72%.

20°C (69°F)

Minimum temperature

28°C (83°F)

Average temperature

37°C (99°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In July, Lewisville averages 70 mm (2.8 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 4 minutes of daylight, with the sun shining for approximately 10 hours 58 minutes each day. Additionally, there is a 56% probability of sunny days during this period.

70 mm (2.8 inches)

Precipitation

11 rainy days

Rainy days

10 hours 58 minutes

Sunshine hours

56%

Chance of sun

UV Index

In July, the UV Index in Lewisville 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	11	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