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Old Jamestown, Missouri enjoys a typical continental climate, with warm summers and cold winters. In the summer, temperatures can reach as high as 90°F (32°C) and as low as 50°F (10°C). The winter months bring temperatures as low as 20°F (-7°C) and as high as 40°F (4°C).
Spring and autumn are mild, with temperatures ranging from the mid-50s (12°C) to mid-70s (21°C). Rainfall is fairly consistent throughout the year, with an average of around 3.6 inches (91.4 mm) of precipitation per month.
Snowfall is light in Old Jamestown, averaging around 3 inches (7.6 cm) per year. Snow usually falls between late November and late March.
The area enjoys around 219 sunny days per year, with the sunniest months typically being June and July. Humidity levels usually stay around 60%, making the area quite comfortable.
As of 2020, the city population is 19602.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Old Jamestown, Missouri.