Stanley County climate

Stanley County Weather in January

NOAA 1991-2020 normals for Ft Pierre 17 Wsw, 19.6 km from Stanley County

Average highs run from 31°F on January 1 to 33°F on January 31, and lows from 8°F to 9°F. Normal precipitation for the month is 0.41 in over about 6 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Stanley County, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
32°F
Average low
8°F
Precipitation
0.41 in
Snowfall
6.1 in
Record high
68°FJan 23, 1981
Record low
-33°FJan 29, 1966
Chance of a freeze
100%
Daylight
8 h 55 min to 9 h 49 min
Cloud cover
67%
Humidity
79%
Dew point
15°F
Wind
11.2 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 131°F8°F64°F 1998-22°F 201817%14%
Jan 231°F8°F63°F 1998-21°F 201817%14%
Jan 331°F8°F62°F 1962-24°F 196817%14%
Jan 431°F8°F60°F 1935-24°F 195017%14%
Jan 531°F8°F66°F 2012-22°F 196017%14%
Jan 631°F8°F52°F 1990-26°F 198817%15%
Jan 731°F8°F61°F 2003-24°F 194217%15%
Jan 831°F8°F61°F 1958-23°F 201017%15%
Jan 931°F8°F57°F 2012-22°F 197718%15%
Jan 1031°F8°F63°F 1990-27°F 199718%15%
Jan 1131°F7°F63°F 1987-18°F 197418%15%
Jan 1231°F7°F64°F 1983-20°F 197418%15%
Jan 1331°F7°F60°F 1983-21°F 199818%15%
Jan 1431°F7°F57°F 2006-21°F 197218%15%
Jan 1532°F7°F54°F 1974-27°F 197218%16%
Jan 1632°F7°F65°F 1974-23°F 197718%16%
Jan 1732°F7°F56°F 1934-22°F 194318%16%
Jan 1832°F7°F54°F 1964-27°F 197018%16%
Jan 1932°F7°F56°F 1999-32°F 197018%16%
Jan 2032°F7°F65°F 1964-25°F 195418%16%
Jan 2132°F8°F62°F 1942-26°F 194918%16%
Jan 2232°F8°F58°F 1967-19°F 196618%15%
Jan 2332°F8°F68°F 1981-20°F 195218%15%
Jan 2432°F8°F67°F 1981-22°F 196118%15%
Jan 2532°F8°F58°F 2002-22°F 195018%15%
Jan 2632°F8°F64°F 2006-25°F 195018%15%
Jan 2733°F8°F61°F 1934-23°F 194818%15%
Jan 2833°F8°F60°F 1942-25°F 196618%15%
Jan 2933°F8°F54°F 1974-33°F 196618%15%
Jan 3033°F8°F63°F 1989-20°F 199618%15%
Jan 3133°F9°F62°F 1992-20°F 198518%15%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stanley County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 7:19 AM, sunset 4:14 PM
January 31
sunrise 7:02 AM, sunset 4:51 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00393076 (Ft Pierre 17 Wsw), public domain. Records: NOAA GHCN-Daily, station USW00024025, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.