Thermograph

Saint Petersburg, St.-Petersburg, Russia climate

Average temperatures, precipitation and all-time records for Saint Petersburg, St.-Petersburg, Russia, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 21°C, and its coldest is February, with an average low of -9°C.

Saint Petersburg, formerly known as Petrograd (Петроград) and later Leningrad (Ленинград), is the second-largest city in Russia, after Moscow, the nation's capital. via Wikipedia

How today compares

Latest recorded day: 2026-09-04. Each reading placed on Saint Petersburg, St.-Petersburg, Russia's own ±7-day seasonal distribution.

High 15°C Below Normal · 39th pct
Low 12°C High · 84th pct
Feels-like 10°C Above Normal · 62nd pct
Humidity 10.5 g/m³ Above Normal · 73rd pct
Wind 17 km/h Normal · 47th pct
Gust 32 km/h Normal · 50th pct
Precip 31 mm Extreme · 100th pct

Open Saint Petersburg in the live weather grader →

Saint Petersburg average temperatures by month

Typical daily high and low, and average precipitation, for each month in Saint Petersburg, St.-Petersburg, Russia, based on 1980–2026 records. The wettest month is January (3 mm on an average day).

MonthAvg highAvg lowAvg precip
January -4°C -8°C 3 mm
February -4°C -9°C 3 mm
March 1°C -6°C 0 mm
April 7°C 0°C 3 mm
May 14°C 5°C 3 mm
June 18°C 9°C 3 mm
July 21°C 13°C 3 mm
August 19°C 12°C 3 mm
September 14°C 8°C 3 mm
October 8°C 3°C 3 mm
November 2°C -1°C 3 mm
December -2°C -6°C 3 mm

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 33°C on 2021-06-23
  • Coldest day on record: -37°C on 1987-01-12

All Saint Petersburg weather records →

Percentiles compare each day to Saint Petersburg, St.-Petersburg, Russia's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →