Currently: 62 °F. Light rain. Mostly cloudy. (Weather station: Petersburg Weather Reporting System, USA). See more current weatherAnnual Weather Averages Near Petersburg
Averages are for Petersburg Weather Reporting System, which is 7 miles from Petersburg.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Petersburg
High Temp: 91 °F
Low Temp: 28 °F
Mean Temp: 59 °F
Precipitation: 1.42"
Humidity: 71%
Dew Point: 48 °F
Wind: 9 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Petersburg
High Temp: 50 °F
Low Temp: 28 °F
Mean Temp: 39 °F
Precipitation: 0.85"
Humidity: 69%
Dew Point: 28 °F
Wind: 10 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Petersburg
High Temp: 53 °F
Low Temp: 30 °F
Mean Temp: 42 °F
Precipitation: 1.04"
Humidity: 66%
Dew Point: 30 °F
Wind: 10 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Petersburg
High Temp: 62 °F
Low Temp: 36 °F
Mean Temp: 49 °F
Precipitation: 1.35"
Humidity: 63%
Dew Point: 35 °F
Wind: 11 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Petersburg
High Temp: 72 °F
Low Temp: 45 °F
Mean Temp: 59 °F
Precipitation: 1.24"
Humidity: 63%
Dew Point: 44 °F
Wind: 11 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Petersburg
High Temp: 80 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 1.50"
Humidity: 70%
Dew Point: 56 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Petersburg
High Temp: 87 °F
Low Temp: 64 °F
Mean Temp: 75 °F
Precipitation: 2.12"
Humidity: 72%
Dew Point: 65 °F
Wind: 8 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Petersburg
High Temp: 91 °F
Low Temp: 68 °F
Mean Temp: 80 °F
Precipitation: 2.29"
Humidity: 73%
Dew Point: 69 °F
Wind: 7 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Petersburg
High Temp: 89 °F
Low Temp: 67 °F
Mean Temp: 78 °F
Precipitation: 2.21"
Humidity: 75%
Dew Point: 67 °F
Wind: 6 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Petersburg
High Temp: 83 °F
Low Temp: 60 °F
Mean Temp: 71 °F
Precipitation: 1.45"
Humidity: 77%
Dew Point: 62 °F
Wind: 7 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Petersburg
High Temp: 73 °F
Low Temp: 47 °F
Mean Temp: 60 °F
Precipitation: 1.17"
Humidity: 77%
Dew Point: 51 °F
Wind: 7 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Petersburg
High Temp: 62 °F
Low Temp: 36 °F
Mean Temp: 49 °F
Precipitation: 0.82"
Humidity: 72%
Dew Point: 39 °F
Wind: 8 mph
Pressure: 30.14 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Petersburg
High Temp: 53 °F
Low Temp: 30 °F
Mean Temp: 42 °F
Precipitation: 0.96"
Humidity: 73%
Dew Point: 33 °F
Wind: 8 mph
Pressure: 30.13 "Hg
Visibility: 9 mi