Garretson is a city of approximately 1,200 people in South Dakota, United States. Located in the Central Time Zone at 43.7°N latitude.
Across a typical year Garretson sees about 30 inches of precipitation, with June the wettest month and January the driest. Temperatures range from January lows near 6°F up to July highs around 83°F, averaging 45°F annually — characteristic of a humid continental climate.
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