Avg high
21°C
Avg low
14°C
Rainfall
101 mm
Rain days
14.3
Sunshine
11.3 h/day
Daylight
15.3 h
What to pack for Saint Petersburg in August
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 78%; max daily wind around 19 km/h.
How August compares
Best months in Saint Petersburg: June. See the full best time to visit Saint Petersburg guide.
Saint Petersburg in August: the details
In August, Saint Petersburg sees average daytime highs of 21°C (70°F) and overnight lows of 14°C (57°F). Rainfall totals roughly 101 mm across 14.3 rainy days, and the sun shines about 11.3 hours per day with 15.3 hours of daylight mid-month. Relative humidity averages 78%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Saint Petersburg, Russia (59.94, 30.31) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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