Cheyenne weather in January: Cheyenne, Wyoming: normal highs, lows, rain and records for January

Cheyenne in January has a normal high of 40°F and a normal low of 18°F, a daily mean of 29°F, holding near 40°F all month. Measurable precipitation falls on 5 days in a normal January, 0.35 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 4°C and low of −8°C, 9 mm of precipitation and 16 cm of snow in January.

  • NOAA stationCheyenne Weather Office Airport
  • Station IDUSW00024018
  • Location41.15°N 104.81°W
  • Elevation6,128 ft (1,868 m)
  • Population65,704
  1. Jan 40° 18°
  2. Feb 41° 18°
  3. Mar 49° 25°
  4. Apr 55° 31°
  5. May 64° 40°
  6. Jun 77° 49°
  7. Jul 84° 56°
  8. Aug 82° 54°
  9. Sep 73° 46°
  10. Oct 59° 34°
  11. Nov 48° 25°
  12. Dec 39° 18°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Cheyenne in January?

The normal high is 40°F and the normal low 18°F, for a daily mean of 29.2°F. January is 0.5°F warmer than December and 0.3°F cooler than February. January is the 11th warmest month of the year in Cheyenne and the 12th wettest. Across the month the normal high falls 1°F, from 40°F on January 1 to 39°F on January 31. From one year to the next January's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 26°F and 32°F.

Cheyenne in January, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 21%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 140°F18°F18%4%
January 840°F19°F17%4%
January 1540°F19°F17%4%
January 2240°F19°F18%4%
January 3139°F18°F21%5%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 14, coldest night January 31)
Cheyenne: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 140°F18°F18%4%9 h 20 min
January 240°F18°F18%4%9 h 20 min
January 340°F18°F18%4%9 h 20 min
January 440°F18°F18%4%9 h 20 min
January 540°F18°F17%4%9 h 20 min
January 640°F18°F17%4%9 h 20 min
January 740°F18°F17%4%9 h 20 min
January 840°F19°F17%4%9 h 20 min
January 940°F19°F17%4%9 h 20 min
January 1040°F19°F17%4%9 h 20 min
January 1140°F19°F17%4%9 h 30 min
January 1240°F19°F17%4%9 h 30 min
January 1340°F19°F17%4%9 h 30 min
January 1440°F19°F17%4%9 h 30 min
January 1540°F19°F17%4%9 h 30 min
January 1640°F19°F17%4%9 h 30 min
January 1740°F19°F17%4%9 h 30 min
January 1840°F19°F18%4%9 h 40 min
January 1940°F19°F18%4%9 h 40 min
January 2040°F19°F18%4%9 h 40 min
January 2140°F19°F18%4%9 h 40 min
January 2240°F19°F18%4%9 h 40 min
January 2340°F19°F18%4%9 h 40 min
January 2440°F18°F19%4%9 h 50 min
January 2540°F18°F19%4%9 h 50 min
January 2640°F18°F19%4%9 h 50 min
January 2740°F18°F19%5%9 h 50 min
January 2840°F18°F20%5%9 h 50 min
January 2940°F18°F20%5%10 h
January 3040°F18°F20%5%10 h
January 3139°F18°F21%5%10 h
Normal high
40°FJanuary average
Normal low
18°FJanuary average
Precipitation
0.35 inmonth total
Days with precipitation
50.01 inch or more
Snowfall
6.3 inmonth total
Nights at 32°F or colder
29
Daylight
9 h 20 min to 10 hJanuary 1 to January 31
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024018; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Cheyenne in January?

On a given January day the chance of 0.01 inch or more is 18% on average, highest around January 31 (21%). In all, 0.35 in falls on 5 days of a normal January.

In a normal January in Cheyenne, 29 nights fall to freezing, 7 days stay below freezing all day and snowfall averages 6.3 inches.

Snow falls on 6 days in a normal January, and an inch or more covers the ground on 8 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024018.

How humid and windy is Cheyenne in January?

At 3 p.m. the normal temperature is 37°F with 38% relative humidity and a dew point of 14°F; at 6 a.m. it is 24°F with 58% humidity. The wind averages 13.7 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.24°F12°F58%12.6 mph73%
9 a.m.29°F13°F51%13.6 mph71%
noon36°F13°F39%17.4 mph67%
3 p.m.37°F14°F38%16.9 mph64%
6 p.m.30°F14°F51%11.8 mph65%
9 p.m.27°F14°F58%12.2 mph68%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024018. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for January in Cheyenne?

The warmest January temperature on Cheyenne's official record (since 1872) is 70°F, on January 27, 2015; the coldest is −38°F, on January 9, 1875. The wettest January brought 2.78 in (1949); the snowiest, 35.5 inches (1980).

The January mean against the 1991-2020 normal of 29.2°F: 2021 29.6°F (+0.4), 2022 29.5°F (+0.3), 2023 25.6°F (−3.6), 2024 25.8°F (−3.4), 2025 21.6°F (−7.6), 2026 31.4°F (+2.2). 3 of 6 ran warmer than normal.

Cheyenne: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202129.6°F+0.4°F0.14 in
202229.5°F+0.3°F0.74 in
202325.6°F−3.6°F1.82 in
202425.8°F−3.4°F0.52 in
202521.6°F−7.6°F0.84 in
202631.4°F+2.2°F0.15 in

Source: records: ACIS, NWS threaded record CYSthr; recent months: ACIS, station USW00024018. Records and recent months use complete months only.

How does January in Cheyenne compare across Wyoming?

Across the 71 places PlainClimate covers in Wyoming, January normal highs run from 25°F in Bondurant to 44°F in Yoder; Cheyenne's is 40°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places