Mills climate

Mills Weather in January

NOAA 1991-2020 normals for Casper Natrona CO AP, 10.1 km from Mills

Average highs run from 34°F on January 1 to 36°F on January 31, and lows from 14°F to 15°F. Normal precipitation for the month is 0.49 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 Mills, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
35°F
Average low
15°F
Precipitation
0.49 in
Snowfall
9.0 in
Record high
60°FJan 30, 1971
Record low
-40°FJan 13, 1972
Chance of a freeze
100%
Daylight
9 h 06 min to 9 h 56 min
Cloud cover
61%
Humidity
71%
Dew point
16°F
Wind
15.0 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 134°F14°F51°F 2026-29°F 197921%22%
Jan 234°F15°F56°F 1981-19°F 195021%22%
Jan 334°F15°F53°F 1981-25°F 195921%22%
Jan 435°F15°F55°F 1981-24°F 195921%21%
Jan 535°F15°F51°F 2012-28°F 201721%21%
Jan 635°F15°F52°F 1954-27°F 201021%21%
Jan 735°F15°F53°F 2006-23°F 197321%21%
Jan 835°F15°F54°F 2002-27°F 196221%21%
Jan 935°F15°F54°F 1953-30°F 196221%21%
Jan 1035°F15°F59°F 1990-26°F 196221%21%
Jan 1135°F15°F57°F 1953-28°F 197421%21%
Jan 1235°F15°F57°F 1953-25°F 196321%21%
Jan 1335°F15°F55°F 2026-40°F 197221%21%
Jan 1435°F15°F57°F 2026-40°F 197221%21%
Jan 1535°F15°F56°F 2026-20°F 195721%21%
Jan 1636°F15°F55°F 1974-22°F 195721%21%
Jan 1736°F15°F56°F 2000-21°F 198421%21%
Jan 1836°F15°F54°F 1999-22°F 196321%21%
Jan 1936°F15°F57°F 2009-25°F 196321%21%
Jan 2036°F15°F57°F 2005-25°F 202521%22%
Jan 2136°F15°F56°F 1950-21°F 196221%22%
Jan 2236°F15°F56°F 1981-19°F 196321%22%
Jan 2336°F15°F59°F 1981-39°F 194921%22%
Jan 2436°F15°F56°F 2005-40°F 194921%22%
Jan 2536°F15°F51°F 1994-25°F 194921%22%
Jan 2636°F15°F56°F 1982-27°F 198021%22%
Jan 2736°F15°F58°F 2015-26°F 198022%23%
Jan 2836°F15°F55°F 1971-32°F 198022%23%
Jan 2936°F15°F53°F 1971-28°F 198022%23%
Jan 3036°F15°F60°F 1971-26°F 198522%23%
Jan 3136°F15°F58°F 1971-24°F 198522%24%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mills, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 7:36 AM, sunset 4:42 PM
January 31
sunrise 7:21 AM, sunset 5:17 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024089 (Casper Natrona CO AP), public domain. Records: NOAA GHCN-Daily, station USW00024089, 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.