Weather in Saint Petersburg in August
August in Saint Petersburg is mild with average temperatures around 16.5°C (61.7°F). Moderate rainfall of 90mm spread over 14 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
20.0°C
68.0°F
Low
13.0°C
55.4°F
Precipitation
90 mm
3.6 inches
~14 rainy days
Conditions
Humidity
82%
Comparison to Adjacent Months
August is 4.6°C warmer than September, 33mm wetter than September.