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Elevation: 11 feet     Latitude: 56 49N     Longitude: 132 57W
Köppen Classification: Warm Summer Continental Climate



This climate climate zone covers from about 44°N to 50°N latitude mostly east of the 100th meridian in North America. However, it can be found as far north as 54°N, and further west in the Canadian Prairie Provinces and below 40°N in the high Appalachians. In Europe this subtype reaches its most northerly latitude at nearly 61° N. Areas featuring this subtype of the continental climate have an average temperature in the warmest month below 22°C (22°F). Summer high temperatures in this zone typically average between 21-28°C (70-82°F) during the daytime and the average temperatures in the coldest month are generally far below the -3 °C (27°F) mark.

The Köppen Climate Classification subtype for this climate is "Dfb". (Warm Summer Continental Climate).

The highest recorded temperature in Petersburg is 83.0°F (28.3°C), which was recorded in May. The lowest recorded temperature in Petersburg is -15.0°F (-26.1°C), which was recorded in February.

The average amount of precipitation for the year in Petersburg is 104.8" (2661.9 mm). The month with the most precipitation on average is October with 16.3" (414 mm) of precipitation. The month with the least precipitation on average is June with an average of 5.1" (129.5 mm). There are an average of 238.0 days of precipitation, with the most precipitation occurring in October with 25.0 days and the least precipitation occurring in July with 17.0 days.

In Petersburg, there's an average of 107.1" of snow (0 cm). The month with the most snow is January, with 30.9" of snow (78.5 cm).

Koppen Chart