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Petersburg in October

Find out everything about the water temperature in Petersburg in October. Average, minimum and maximum recorded temperatures as well as daily temperature in October for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in October
Minimum:

42.5 °F

Average:

45.9 °F

Maximum:

49.8 °F

Sea water temperature in Petersburg in October

In the city of Petersburg, the month of October is too cold for swimming. The minimum recorded temperature during this month was 42.5°F on October 29, 2023, with an average temperature being 45.9°F and a maximum temperature reaching 49.8°F on October 1, 2017.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In October, the sea temperature remains relatively stable. The average temperature stays close to 45.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Oct 1 48.1°F 45.9°F 46.4°F
Oct 2 47.8°F 46.0°F 46.3°F
Oct 3 47.3°F 45.7°F 46.2°F
Oct 4 47.1°F 45.6°F 46.0°F
Oct 5 46.6°F 43.5°F 45.9°F
Oct 6 46.2°F 43.8°F 45.9°F
Oct 7 46.1°F 44.1°F 45.8°F
Oct 8 46.0°F 44.0°F 45.8°F
Oct 9 46.0°F 44.2°F 45.8°F
Oct 10 46.0°F 44.3°F 45.7°F
Oct 11 45.9°F 44.1°F 45.7°F
Oct 12 45.9°F 44.0°F 45.7°F
Oct 13 45.9°F 44.4°F 45.8°F
Oct 14 45.9°F 44.5°F 45.7°F
Oct 15 46.0°F 45.4°F 45.7°F
Oct 16 46.0°F 45.4°F 45.7°F
Oct 17 46.0°F 45.4°F 45.6°F
Oct 18 46.0°F 45.4°F 45.7°F
Oct 19 45.9°F 45.4°F 45.7°F
Oct 20 46.0°F 45.5°F 45.8°F
Oct 21 45.8°F 44.0°F 45.4°F
Oct 22 45.5°F 43.5°F 45.3°F
Oct 23 45.4°F 43.3°F 44.9°F
Oct 24 45.2°F 42.7°F 44.4°F
Oct 25 45.2°F 42.7°F 44.3°F
Oct 26 45.2°F 42.8°F 44.3°F
Oct 27 45.1°F 43.2°F 42.6°F
Oct 28 45.0°F 43.3°F 42.8°F
Oct 29 44.9°F 43.0°F 42.5°F
Oct 30 44.9°F 43.2°F 42.7°F
Oct 31 44.8°F 43.3°F 42.9°F

Sea water temperature in Petersburg by month

In an average year, Petersburg offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Petersburg was recorded on July 7, 2019, reaching a 60.2°F. While the coldest temperature occurred on January 13, 2023, dipping to 37.5°F. The average readings by season are 41.3°F in Winter, 43.1°F in Spring, 53.1°F in Summer, and 46.5°F in Autumn. October's average temperature is a slight drop from September's average of 49.7°F. In November, the temperature is expected to decrease further, potentially averaging around 43.8°F.