Climate Spearfish - South Dakota
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 40 41 49 59 69 78 Average low in ºF Av. low Lo 19 20 27 36 47 55 Av. precipitation in inch Av. precip. Pre. 0.51 0.71 1.18 2.47 3.88 3.65
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 87 87 76 61 49 40 Average low in ºF Av. low Lo 62 60 50 39 28 19 Av. precipitation in inch Av. precip. Pre. 2.21 1.64 1.78 2.05 1.19 0.61
What is the average weather in Spearfish, South Dakota? Spearfish experiences a humid continental climate, marked by very large seasonal temperature contrasts due to its inland location. Summers are warm, while winters are cold. The area receives moderate precipitation annually, with a strong seasonal pattern that makes spring the wettest period and winter the driest.
January February March April May June July August September October November December
1 Jan 35.8 15.8 0.02 0.02 3.00 7.62 2 Jan 35.8 15.8 0.04 0.04 6.00 15.24 3 Jan 35.8 15.8 0.06 0.06 9.00 22.86 4 Jan 35.8 15.8 0.08 0.08 13.00 33.02 5 Jan 35.9 15.8 0.10 0.10 16.00 40.64 6 Jan 35.9 15.8 0.12 0.12 19.00 48.26 7 Jan 35.9 15.8 0.14 0.14 23.00 58.42 8 Jan 35.9 15.8 0.16 0.16 26.00 66.04 9 Jan 36.0 15.8 0.18 0.18 29.00 73.66 10 Jan 36.0 15.8 0.20 0.20 32.00 81.28 11 Jan 36.0 15.8 0.21 0.21 34.00 86.36 12 Jan 36.0 15.8 0.23 0.23 37.00 93.98 13 Jan 36.0 15.8 0.25 0.25 39.00 99.06 14 Jan 36.0 15.8 0.26 0.26 42.00 106.68 15 Jan 36.0 15.8 0.28 0.28 44.00 111.76 16 Jan 36.0 15.8 0.29 0.29 46.00 116.84 17 Jan 36.0 15.8 0.31 0.31 48.00 121.92 18 Jan 36.0 15.8 0.33 0.33 50.00 127.00 19 Jan 36.0 15.7 0.34 0.34 52.00 132.08 20 Jan 36.0 15.7 0.36 0.36 54.00 137.16 21 Jan 36.0 15.7 0.38 0.38 56.00 142.24 22 Jan 35.9 15.6 0.40 0.40 58.00 147.32 23 Jan 35.9 15.6 0.42 0.42 61.00 154.94 24 Jan 35.9 15.6 0.44 0.44 63.00 160.02 25 Jan 35.8 15.5 0.46 0.46 66.00 167.64 26 Jan 35.8 15.5 0.48 0.48 69.00 175.26 27 Jan 35.8 15.4 0.51 0.51 71.00 180.34 28 Jan 35.8 15.4 0.53 0.53 74.00 187.96 29 Jan 35.7 15.4 0.55 0.55 77.00 195.58 30 Jan 35.7 15.3 0.58 0.58 79.00 200.66 31 Jan 35.7 15.3 0.60 0.60 82.00 208.28
Weather history Spearfish - July 2026
Day 01 Jul 82.0 55.9 0.00 0.00 0.0 02 Jul 82.9 53.1 0.07 0.00 0.0 03 Jul - - - - - 04 Jul - - - - - 05 Jul - - - - - 06 Jul - - - - - 07 Jul - - - - - 08 Jul - - - - - 09 Jul - - - - - 10 Jul - - - - - 11 Jul - - - - - 12 Jul - - - - - 13 Jul - - - - - 14 Jul - - - - - 15 Jul - - - - - 16 Jul - - - - - 17 Jul - - - - - 18 Jul - - - - - 19 Jul - - - - - 20 Jul - - - - - 21 Jul - - - - - 22 Jul - - - - - 23 Jul - - - - - 24 Jul - - - - - 25 Jul - - - - - 26 Jul - - - - - 27 Jul - - - - - 28 Jul - - - - - 29 Jul - - - - - 30 Jul - - - - - 31 Jul - - - - -
Past weather Spearfish
Jul 26 Normal Average high temperature Av. high temp. 82.5 ºF 40 ºF Average low temperature Av. low temp. 54.5 ºF 19 ºF Total precipitation Total precip. 0.07 inch 0.51 inch Total snowfall Total snowfall 0.00 inch 0 inch Highest max temperature Highest max temp. 82.9 ºF - Lowest max temperature Lowest max temp. 82.0 ºF - Highest min temperature Highest min temp. 55.9 ºF - Lowest min temperature Lowest min temp. 53.1 ºF -
× Past weather July 2026 incomplete - Missing data
Geo Spearfish - South Dakota
Country United States State South Dakota County Lawrence City Spearfish Zip Code 57783 Longitude -103.79 dec. degr. Latitude 44.48 dec. degr. Altitude - Elevation
3898ft ICAO - IATA -
Date and Time Spearfish - South Dakota
Local Time 09:00 PM Sunrise 05:15 AM Sunset 08:44 PM Day/Night Night Timezone Mountain Daylight Time Timezone DB America - Denver
Map of Spearfish - South Dakota