UTC Offset
UTC-06:00
Spearfish, United States Snapshot 2026
Where is Spearfish?
Spearfish, United States
- Continent
- Americas
- Country
- United States
- City
- Spearfish
- Population
- 11.3K
- Elevation
- 1,112 m
- Coordinates
- 44.49°, -103.86°
Spearfish is a city in United States with a population of approximately 11.3K. Average temperatures range from -7°C (19°F) in February to 30°C (87°F) in July. The best time to visit is June, July, August, September. The city sits at an elevation of 1,112 m above sea level.
Time in Spearfish right now
Open full time & time zone page 15:55 55
Monday, June 15, 2026
IANA time zone
America/Denver
Daylight saving
DST in effect
MST / MDT
Next DST change
November 1
backward -1h
Live weather in Spearfish
Daylight in Spearfish today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 32m
Climate normals for Spearfish
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -6°C | -2°C / -12°C | 6days (20 mm) Good | 6.8h Fair | 65% Muggy | 2.5 Moderate | Poor | View Details |
| February | 3°C / -7°C | -2°C / -13°C | 7days (26 mm) Good | 8h Good | 61% Muggy | 3.5 Moderate | Poor | View Details |
| March | 10°C / -2°C | 6°C / -7°C | 8days (34 mm) Wet | 9.3h Good | 60% Moderate | 4.8 Moderate | Poor | View Details |
| April | 13°C / 1°C | 10°C / -3°C | 11days (80 mm) Wet | 10.1h Excellent | 61% Muggy | 5.7 High | Poor | View Details |
| May | 19°C / 8°C | 18°C / 5°C | 14days (92 mm) Wet | 11.2h Excellent | 63% Muggy | 6.5 High | Good | View Details |
| June best | 27°C / 14°C | 27°C / 13°C | 11days (66 mm) Wet | 12.9h Excellent | 57% Moderate | 7.5 Very High | Excellent | View Details |
| July best | 30°C / 18°C | 31°C / 17°C | 12days (70 mm) Wet | 13.3h Excellent | 55% Moderate | 7.6 Very High | Excellent | View Details |
| August best | 29°C / 17°C | 29°C / 16°C | 9days (53 mm) Wet | 12.2h Excellent | 54% Moderate | 6.9 High | Excellent | View Details |
| September best | 26°C / 13°C | 24°C / 11°C | 8days (44 mm) Wet | 10.3h Excellent | 54% Moderate | 5.8 High | Excellent | View Details |
| October | 16°C / 5°C | 13°C / 1°C | 7days (48 mm) Good | 8.5h Good | 57% Moderate | 4 Moderate | Fair | View Details |
| November | 10°C / 0°C | 5°C / -4°C | 5days (19 mm) Good | 7.4h Good | 57% Moderate | 2.7 Moderate | Poor | View Details |
| December | 4°C / -5°C | -1°C / -10°C | 7days (30 mm) Good | 6.3h Fair | 62% Muggy | 2 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 3°C / -6°C . Feb: 3°C / -7°C . Mar: 10°C / -2°C . Apr: 13°C / 1°C . May: 19°C / 8°C . Jun: 27°C / 14°C . Jul: 30°C / 18°C . Aug: 29°C / 17°C . Sep: 26°C / 13°C . Oct: 16°C / 5°C . Nov: 10°C / 0°C . Dec: 4°C / -5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 20 mm. Feb: 26 mm. Mar: 34 mm. Apr: 80 mm. May: 92 mm. Jun: 66 mm. Jul: 70 mm. Aug: 53 mm. Sep: 44 mm. Oct: 48 mm. Nov: 19 mm. Dec: 30 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 65%. Feb: 61%. Mar: 60%. Apr: 61%. May: 63%. Jun: 57%. Jul: 55%. Aug: 54%. Sep: 54%. Oct: 57%. Nov: 57%. Dec: 62%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 20 km/h . Mar: 21 km/h . Apr: 22 km/h . May: 20 km/h . Jun: 19 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 20 km/h . Nov: 21 km/h . Dec: 21 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Spearfish has a population of approximately 11.3K.
The best months to visit Spearfish are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Spearfish receives approximately 582mm of rainfall annually across 105 rainy days.
Spearfish is located in United States, in the Americas region.
Spearfish sits at an elevation of 1,112 m (3,648 ft) above sea level.