August Weather in Roanoke

Last updated: March 2, 2024

The weather in Roanoke, United States, during August is characterized by an average temperature of 29°C (85°F). Highs can soar to 38°C (101°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Roanoke throughout August hovers around 66%.

21°C (70°F)

Minimum temperature

29°C (85°F)

Average temperature

38°C (101°F)

Maximum temperature

66%

Humidity

Precipitation and Sunshine hours

In August, Roanoke averages 87 mm (3.4 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 13 hours 17 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 61% probability of sunny days during this period.

87 mm (3.4 inches)

Precipitation

7 rainy days

Rainy days

10 hours 35 minutes

Sunshine hours

61%

Chance of sun

UV Index

In August, the UV Index in Roanoke 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 1 2 4 7 9 11 11 9 7 4 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Roanoke's Climate with Cities Worldwide