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Spearfish

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Spearfish Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Spearfish year round climate

  • Spring (March–May): Avg. 0.1–12.4°C, 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. 17.9–22.2°C, warm climate, occasional rainfall. Common activities: Outdoor picnics, hiking, camping. Recommended clothing: T-shirt, light pants, light jacket.
  • Autumn (September–November): Avg. 9.3–18.4°C, 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–-1.1°C, 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. 8.7°C / Annual rainfall: approx. 647 mm / Summer humidity: 60%–70% / Rainiest month: May

Spearfish monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-2.7°C
25.2
February
-1.5°C
30.3
March
0.1°C
29.6
April
5.5°C
96.1
May
12.4°C
133.2
June
17.9°C
89.4
July
22.2°C
38.5
August
21.7°C
69.7
September
18.4°C
44.5
October
9.3°C
35.3
November
1.9°C
14.7
December
-1.1°C
41.4

Spearfish weather for the next seven days

6/21
Sunday
Patchy rain nearby
18.5°C/13.8°C
6/22
Monday
Moderate rain
23.2°C/10.5°C
6/23
Tuesday
Patchy rain nearby
21°C/11°C
6/24
Wednesday
Patchy rain nearby
20.4°C/9.7°C
6/25
Thursday
Patchy rain nearby
25.2°C/11.4°C
6/26
Friday
Sunny
28.2°C/13.3°C
6/27
Saturday
Patchy rain nearby
25.5°C/11.1°C