Saint Petersburg Weather in August
During August, Saint Petersburg experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 12°C (54°F). As the wettest month of the year, and part of the summer season, expect frequent rainfall.
Rainfall in Saint Petersburg in August
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Typically, about 15 days will experience rainfall, with an average of 80 mm (3.1 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Saint Petersburg in August
August tends to be one of the perfect months in Saint Petersburg, with 21°C (70°F) in the afternoon and 12°C (54°F) overnight. August is typically considered a summer month. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Saint Petersburg in August
Expect sunny days throughout the month, with an estimated 213 hours of sunshine. This makes it a pleasant time to visit Saint Petersburg.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Saint Petersburg.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Russia, check out our Saint Petersburg's climate page.
Saint Petersburg Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
50%
Precipitation
80 mm (3.1 in)
Rainy days
15 days
Humidity
76%
Sunshine
213 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Petersburg typically drop from around 23°C (73°F) at the start of August to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Saint Petersburg in August
Browse day-by-day weather records for Saint Petersburg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Petersburg historical weather extremes in August
According to our 27 years of weather records for Saint Petersburg, the following extremes were recorded between 1998 and 2025.
- The warmest day in August was on August 7, 2010, with a maximum of 37°C (99°F).
- Saint Petersburg experienced its chilliest August day on August 31, 2008, reaching only 11°C (52°F).
- The lowest overnight temperature recorded in August was 2°C (36°F) (August 31, 2001).
Best Places in Russia in August
Find out more about the weather in Russia and which places have the best travel conditions in this month. See all of Russia in August →
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What to Wear in Saint Petersburg in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Saint Petersburg in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Russia, check out our Saint Petersburg's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Petersburg climate overview or explore weather in Russia.
