Weather in Gann Valley
Gann Valley has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 86°, a January night drops to 8°, and about 41 inches of snow falls in a normal winter. In November, a normal day reaches 45° and a normal night drops to 23°.
Getting the latest forecast from the National Weather Service…
Where today sits in Gann Valley’s year
Typical highs and lows month by month, from 30 years of NOAA records.
Weather talk
Road reports, first frosts and storm memories from neighbors in Gann Valley.
Your answer becomes a post in Town Square.
Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Gann Valley itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Gann Valley 3 Nne, SD (3 mi, snow) and Gann Valley 4nw, SD (4 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.