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Spearfish

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Spearfish Weather and climate

Data source:Meteostat
Update date:2025-09

Spearfish year round climate
  • Spring (March–May): Avg. 32–54°F, cold climate gradually warming, rainfall gradually increasing, with the most rainfall in May. Common activities: Hiking (weather permitting), sightseeing (after snowmelt). Recommended clothing: Warm jacket, sweater, waterproof jacket.
  • Summer (June–August): Avg. 64–71°F, warm climate, occasional rainfall. Common activities: Outdoor picnics, hiking, camping. Recommended clothing: T-shirt, light pants, light jacket.
  • Autumn (September–November): Avg. 48–65°F, cool climate, decreasing rainfall. Common activities: Viewing autumn leaves (if the area has deciduous trees), hiking. Recommended clothing: Long-sleeved shirt, light jacket.
  • Winter (December–February): Avg. -2.7–-34.0°F, cold climate, possibility of snowfall or rainfall. Common activities: Skiing, snowshoeing (if sufficient snow). Recommended clothing: Heavy coat, hat, scarf, gloves.
Spearfish climatological average

Annual average temperature: approx. 47.7°F / Annual rainfall: approx. 647 mm / Summer humidity: 60%–70% / Rainiest month: May

Spearfish monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
27.1°F
25.2
February
29.3°F
30.3
March
32.2°F
29.6
April
41.9°F
96.1
May
54.3°F
133.2
June
64.2°F
89.4
July
72°F
38.5
August
71.1°F
69.7
September
65.1°F
44.5
October
48.7°F
35.3
November
35.4°F
14.7
December
30°F
41.4
Spearfish weather for the next seven days
10/23
Thursday
Sunny
63.1°F/41.7°F
10/24
Friday
Sunny
69.6°F/45°F
10/25
Saturday
Sunny
74.8°F/47.3°F
10/26
Sunday
Partly Cloudy
67.3°F/42.1°F
10/27
Monday
Patchy rain nearby
60.7°F/38.8°F
10/28
Tuesday
Patchy rain nearby
45.5°F/31.6°F
10/29
Wednesday
Sunny
50.5°F/29.1°F