St. Petersburg Weather in August
In August, St. Petersburg averages a high of 21°C (70°F) and a low of 12°C (53°F), based on 55 years of historical weather data from ST. PETERSBURG.
21°C
Average high
70°F
12°C
Average low
53°F
37°C
Record high
99°F · 2010
-1°C
Record low
31°F · 1993
What to Expect in St. Petersburg in August
Typical August days in St. Petersburg reach 21°C (70°F) during the afternoon and cool to around 12°C (53°F) overnight. On average, measurable rain falls on about 44% of days this month. Over the past 55 years, August temperatures in St. Petersburg have ranged from a record high of 37°C (2010) down to a record low of -1°C (1993).
For a day-by-day look or other months, see the full St. Petersburg weather history.