August Weather in St. Petersburg

Last updated: March 2, 2024

The weather in St. Petersburg, United States, during August is characterized by an average temperature of 28°C (83°F). Highs can soar to 31°C (89°F), while lows may dip to 25°C (77°F). Typically, the humidity level in St. Petersburg throughout August hovers around 74%.

25°C (77°F)

Minimum temperature

28°C (83°F)

Average temperature

31°C (89°F)

Maximum temperature

74%

Humidity

Precipitation and Sunshine hours

In August, St. Petersburg averages 219 mm (8.6 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 13 hours 4 minutes of daylight, with the sun shining for approximately 10 hours 11 minutes each day. Additionally, there is a 17% probability of sunny days during this period.

219 mm (8.6 inches)

Precipitation

25 rainy days

Rainy days

10 hours 11 minutes

Sunshine hours

17%

Chance of sun

UV Index

In August, the UV Index in St. Petersburg 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 10 11 11 10 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 St. Petersburg's Climate with Cities Worldwide