Best year time to visit City of Spearfish

General weather information about City of Spearfish

Average annual temperature is 9.3 °C

Absolute maximum temperature: 35.6 °C

Absolute minimum temperature: -31.4 °C

Number of sunny days: 203 days

Number of rainy days: 114 days

Number of snow days: 48 days

* Weather data for City of Spearfish United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	13.9	15.0	16.8	25.7	27.6	29.3	34.6	35.6	32.7	24.0	20.0	20.6
Average daytime temperature (°C)	2.9	4.2	4.4	11.9	21.0	23.9	28.1	27.9	24.2	13.8	11.0	6.5
Average temperature (°C)	-1.1	-1.5	-1.8	5.4	15.1	18.3	21.6	21.6	17.5	8.2	5.5	1.8
Average night temperature (°C)	-4.4	-6.4	-6.5	0.1	9.4	12.8	15.0	16.0	11.8	3.8	0.9	-1.6
Absolute minimum temperature (°C)	-21.0	-31.4	-14.2	-9.1	0.0	8.6	7.8	11.1	7.6	-9.3	-9.9	-9.0

The best time to visit City of Spearfish during the most sunny months:

Months with the longest average daylight duration in City of Spearfish:

The largest precipitation sum in City of Spearfish is at

May — 129(mm)

June — 103(mm)

September — 100(mm)

When is the best time to visit City of Spearfish?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit City of Spearfish.

What is the weather like in City of Spearfish?

See average temperature, rainfall and daylight hours for City of Spearfish by month in the table above.

How many sunny days does City of Spearfish have?

The monthly weather statistics above show sunshine and rainfall patterns for City of Spearfish throughout the year.