Saint Petersburg, Russia Weather
Saint Petersburg hourly forecast: next 24 hours
Today's high of 77°F (25°C) is about 8°F (4°C) above the typical August high of 69°F (21°C).
Current conditions in detail
Saint Petersburg weather tomorrow (Friday, August 7)
Tomorrow in Saint Petersburg looks partly cloudy, with a high of 73° and an overnight low of 58°. There is a 45% chance of rain - plan accordingly. Winds top out near 15 mph, and the UV index reaches 4 (moderate).
Saint Petersburg 14-day forecast
About the weather in Saint Petersburg
Weather in Saint Petersburg is shaped by its humid continental climate - expect warm summers and cold, often snowy winters. July afternoons typically reach 71°F (22°C), while January highs hover near 26°F (-3°C). Annual precipitation averages 29.3 inches (745 mm) over about 153 rainy days.
Saint Petersburg weather: quick facts
- Hottest month: July - highs near 71°F (22°C)
- Coldest month: January - highs near 26°F (-3°C)
- Record high: 94°F (34°C) · Record low: -25°F (-31°C) (2015–2024)
- Wettest month: August (14 rainy days) · Sunniest: June (14.6 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 39 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 71°F (22°C) and overnight lows stay near 59°F (15°C). The coolest month is January, with typical highs of 26°F (-3°C) and lows around 18°F (-8°C). Based on 2015–2024 weather data, temperatures have reached as high as 94°F (34°C) and dropped as low as -25°F (-31°C).
Rain, sun and snow
August is usually the wettest month. It brings about 4.3 inches (110 mm) of rain over 14 days, while March is the driest. June brings the most sunshine, averaging 14.6 hours of sun a day. Snow falls on about 39 days in a typical year, mostly from October through April.
Season by season
Spring (March through May)
Spring in Saint Petersburg runs cold, with daytime highs averaging 47°F (8°C) and nights around 33°F (1°C); expect showers on roughly 32 days across the season, plus around 8 snowy days.
Summer (June through August)
Summer in Saint Petersburg is mild and warm, with daytime highs averaging 70°F (21°C) and nights around 57°F (14°C); expect showers on roughly 41 days across the season.
Fall (September through November)
Fall in Saint Petersburg is chilly, with daytime highs averaging 48°F (9°C) and nights around 40°F (4°C); expect showers on roughly 39 days across the season, plus around 5 snowy days.
Winter (December through February)
Winter in Saint Petersburg is frigid, with daytime highs averaging 29°F (-2°C) and nights around 21°F (-6°C); expect showers on roughly 41 days across the season, plus around 27 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Average temperatures in Saint Petersburg by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 26° | 18° | 14 | 1.9 in | 1.3 h/day | 87% |
| February | 29° | 20° | 12 | 1.8 in | 2.9 h/day | 86% |
| March | 36° | 24° | 10 | 1.6 in | 6.6 h/day | 81% |
| April | 46° | 32° | 12 | 2.1 in | 9.4 h/day | 76% |
| May | 59° | 44° | 10 | 1.8 in | 12.8 h/day | 68% |
| June | 69° | 55° | 10 | 2.2 in | 14.6 h/day | 68% |
| July | 71° | 59° | 16 | 3.7 in | 12.8 h/day | 75% |
| August | 69° | 57° | 14 | 4.3 in | 11.1 h/day | 78% |
| September | 60° | 50° | 12 | 2.5 in | 8.1 h/day | 81% |
| October | 47° | 39° | 14 | 2.8 in | 4.8 h/day | 85% |
| November | 37° | 31° | 13 | 2.2 in | 1.6 h/day | 88% |
| December | 31° | 24° | 15 | 2.2 in | 0.9 h/day | 88% |