Summerset climate

Summerset Weather in January

NOAA 1991-2020 normals for Rapid City 4NW, 9.1 km from Summerset

Average highs run from 37°F on January 1 to 36°F on January 31, and lows from 13°F to 13°F. Normal precipitation for the month is 0.24 in over about 3 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 Summerset, in °F, with the record for each date.-50-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
37°F
Average low
13°F
Precipitation
0.24 in
Snowfall
3.9 in
Record high
76°FJan 12, 1987
Record low
-27°FJan 4, 1950
Chance of a freeze
100%
Daylight
8 h 57 min to 9 h 50 min
Cloud cover
66%
Humidity
75%
Dew point
15°F
Wind
8.1 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 137°F13°F63°F 1998-20°F 19749%9%
Jan 237°F13°F66°F 1998-16°F 19689%9%
Jan 337°F13°F61°F 2012-24°F 19509%9%
Jan 437°F13°F67°F 2026-27°F 19509%9%
Jan 537°F13°F73°F 2012-17°F 19799%9%
Jan 637°F13°F64°F 1954-21°F 19829%9%
Jan 737°F13°F64°F 2002-18°F 19689%9%
Jan 837°F13°F72°F 2002-18°F 19769%9%
Jan 937°F13°F74°F 1953-20°F 19889%9%
Jan 1037°F13°F66°F 1990-24°F 198210%9%
Jan 1137°F13°F68°F 1987-21°F 198210%10%
Jan 1237°F13°F76°F 1987-18°F 202410%10%
Jan 1337°F13°F62°F 1983-21°F 202410%10%
Jan 1437°F13°F69°F 2006-23°F 197910%10%
Jan 1537°F13°F63°F 2000-22°F 195010%10%
Jan 1637°F13°F68°F 1973-26°F 198210%10%
Jan 1737°F13°F62°F 1972-12°F 194910%10%
Jan 1837°F13°F59°F 1989-22°F 196310%10%
Jan 1937°F13°F66°F 2005-26°F 196310%10%
Jan 2037°F13°F64°F 2009-25°F 194910%10%
Jan 2137°F13°F64°F 1989-25°F 194911%10%
Jan 2237°F13°F62°F 1981-18°F 196211%10%
Jan 2337°F13°F68°F 2005-21°F 196311%10%
Jan 2437°F13°F69°F 1968-22°F 195711%10%
Jan 2537°F13°F66°F 2006-21°F 195711%11%
Jan 2637°F13°F68°F 2015-23°F 195711%11%
Jan 2737°F13°F73°F 2015-23°F 197211%11%
Jan 2837°F13°F66°F 1988-23°F 195111%11%
Jan 2937°F13°F64°F 1960-25°F 195111%11%
Jan 3037°F13°F72°F 1989-24°F 202311%11%
Jan 3136°F13°F68°F 1992-21°F 199612%11%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Summerset, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 7:29 AM, sunset 4:26 PM
January 31
sunrise 7:12 AM, sunset 5:02 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00396947 (Rapid City 4NW), public domain. Records: NOAA GHCN-Daily, station USW00024090, 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.