July Weather in McLean

Last updated: March 2, 2024

The weather in McLean, United States, during July is characterized by an average temperature of 27°C (81°F). Highs can soar to 38°C (101°F), while lows may dip to 17°C (63°F). Typically, the humidity level in McLean throughout July hovers around 82%.

17°C (63°F)

Minimum temperature

27°C (81°F)

Average temperature

38°C (101°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In July, McLean averages 36 mm (1.4 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 14 hours 13 minutes of daylight, with the sun shining for approximately 11 hours 59 minutes each day. Additionally, there is a 65% probability of sunny days during this period.

36 mm (1.4 inches)

Precipitation

7 rainy days

Rainy days

11 hours 59 minutes

Sunshine hours

65%

Chance of sun

UV Index

In July, the UV Index in McLean reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 1 2 5 7 10 11 12 11 8 5 3 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare McLean's Climate with Cities Worldwide