May Weather in Lewisville

Last updated: March 2, 2024

The weather in Lewisville, United States, during May is characterized by an average temperature of 20°C (69°F). Highs can soar to 33°C (92°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Lewisville throughout May hovers around 83%.

5°C (41°F)

Minimum temperature

20°C (69°F)

Average temperature

33°C (92°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In May, Lewisville averages 124 mm (4.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 4 minutes of daylight, with the sun shining for approximately 9 hours 48 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

124 mm (4.9 inches)

Precipitation

12 rainy days

Rainy days

9 hours 48 minutes

Sunshine hours

39%

Chance of sun

UV Index

In May, the UV Index in Lewisville reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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	10	10	8	6	4	2	1
Exposure	Low		Moderate		VeryHigh					High	Moderate	Low
Time to burn	45 min		30 min		15 min					25 min	30 min	45 min