Spearfish Weather in February
Average highs run from 36°F on February 1 to 40°F on February 28, and lows from 15°F to 19°F. Normal precipitation for the month is 0.91 in over about 7 wet days.
February day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
February at a glance
- Average high
- 37°F
- Average low
- 16°F
- Precipitation
- 0.91 in
- Snowfall
- 12.7 in
- Record high
- 75°FFeb 22, 1982
- Record low
- -33°FFeb 14, 2021
- Chance of a freeze
- 100%
- Daylight
- 9 h 51 min to 11 h 08 min
- Cloud cover
- 67%
- Humidity
- 70%
- Dew point
- 17°F
- Wind
- 9.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Feb 1 | 36°F | 15°F | 70°F 1992 | -30°F 1893 | 25% | 19% |
| Feb 2 | 36°F | 15°F | 69°F 1935 | -27°F 1905 | 25% | 19% |
| Feb 3 | 36°F | 15°F | 71°F 1962 | -25°F 1893 | 25% | 19% |
| Feb 4 | 36°F | 15°F | 68°F 2005 | -24°F 1989 | 25% | 19% |
| Feb 5 | 36°F | 15°F | 69°F 1963 | -19°F 1914 | 25% | 18% |
| Feb 6 | 36°F | 15°F | 68°F 1925 | -27°F 1914 | 25% | 18% |
| Feb 7 | 36°F | 15°F | 65°F 2015 | -32°F 1933 | 25% | 18% |
| Feb 8 | 36°F | 15°F | 67°F 1954 | -31°F 1936 | 24% | 18% |
| Feb 9 | 36°F | 15°F | 68°F 1996 | -28°F 1933 | 24% | 18% |
| Feb 10 | 36°F | 15°F | 74°F 1918 | -25°F 1899 | 24% | 18% |
| Feb 11 | 36°F | 16°F | 63°F 1952 | -29°F 1899 | 24% | 18% |
| Feb 12 | 36°F | 16°F | 67°F 1962 | -24°F 2021 | 24% | 17% |
| Feb 13 | 36°F | 16°F | 66°F 1983 | -30°F 2021 | 24% | 17% |
| Feb 14 | 36°F | 16°F | 71°F 1921 | -33°F 2021 | 23% | 17% |
| Feb 15 | 37°F | 16°F | 67°F 1921 | -32°F 1936 | 23% | 17% |
| Feb 16 | 37°F | 16°F | 66°F 1916 | -30°F 2021 | 23% | 17% |
| Feb 17 | 37°F | 16°F | 65°F 1935 | -26°F 1936 | 23% | 16% |
| Feb 18 | 37°F | 16°F | 70°F 1930 | -22°F 1936 | 23% | 16% |
| Feb 19 | 37°F | 17°F | 66°F 1965 | -20°F 2025 | 23% | 16% |
| Feb 20 | 38°F | 17°F | 67°F 1930 | -22°F 1918 | 22% | 16% |
| Feb 21 | 38°F | 17°F | 69°F 1995 | -18°F 1918 | 22% | 15% |
| Feb 22 | 38°F | 17°F | 75°F 1982 | -21°F 1910 | 22% | 15% |
| Feb 23 | 38°F | 18°F | 68°F 1921 | -29°F 2022 | 22% | 15% |
| Feb 24 | 39°F | 18°F | 69°F 1995 | -19°F 1922 | 22% | 15% |
| Feb 25 | 39°F | 18°F | 68°F 1932 | -14°F 2019 | 22% | 15% |
| Feb 26 | 39°F | 18°F | 68°F 1932 | -16°F 2019 | 22% | 14% |
| Feb 27 | 39°F | 19°F | 72°F 1932 | -16°F 1922 | 21% | 14% |
| Feb 28 | 40°F | 19°F | 71°F 1932 | -20°F 1962 | 21% | 14% |
| Feb 29 | 40°F | 19°F | 68°F 1992 | -4°F 1912 | 21% | 14% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- February 1
- sunrise 7:14 AM, sunset 5:05 PM
- February 28
- sunrise 6:34 AM, sunset 5:42 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00397882 (Spearfish), public domain. Records: NOAA GHCN-Daily, station USC00397882, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.