St. Petersburg Weather in October
In October, St. Petersburg averages a high of 8°C (47°F) and a low of 4°C (39°F), from 54 years of daily records (1971–2025).
8°C
Average high
47°F
4°C
Average low
39°F
21°C
Record high
70°F · October 2, 1974
-10°C
Record low
15°F · October 31, 1988
What October Is Like in St. Petersburg
- The October heat record, 21°C (70°F) on October 2, 1974, has stood for 51 years.
- The coldest October reading, -10°C (15°F) on October 31, 1988, has not been matched in 37 years.
- October in St. Petersburg has become 1.0°C (1.8°F) warmer on average: the 2010–2024 average against 1970–1989.
- On average, 5.3 nights in October drop below freezing.
At least 1 mm of rain falls on 39% of October days, and the month averages 65 mm in total.
Warmest: 2020 (11.7°C)Latest: 2024 (10.8°C)10-year averageLong-run average (8.4°C)
Look Up a Day in October
See the weather in St. Petersburg on any October date, year by year.
Source: NOAA GHCN-Daily, St. Petersburg (1971–2025); Petrokrepost (2019–2025). Averages cover 1971–2025. How we compute this