Beaverhead County climate

Beaverhead County Weather in January

NOAA 1991-2020 normals for Dillon 18 Wsw, 8.8 km from Beaverhead County

Average highs run from 27°F on January 1 to 29°F on January 31, and lows from 6°F to 8°F. Normal precipitation for the month is 0.34 in over about 8 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 Beaverhead County, in °F, with the record for each date.-60-40-200204060151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
28°F
Average low
8°F
Precipitation
0.34 in
Snowfall
1.7 in
Record high
58°FJan 22, 1981
Record low
-41°FJan 13, 2024
Chance of a freeze
100%
Daylight
8 h 50 min to 9 h 45 min
Cloud cover
65%
Humidity
95%
Dew point
11°F
Wind
7.2 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 127°F6°F46°F 1998-29°F 194231%5%
Jan 227°F7°F48°F 2026-19°F 196830%5%
Jan 328°F7°F51°F 2026-25°F 195030%5%
Jan 428°F7°F47°F 2012-26°F 194230%5%
Jan 528°F7°F52°F 2012-29°F 197930%5%
Jan 628°F7°F50°F 1954-26°F 197429%4%
Jan 728°F7°F52°F 1945-23°F 197929%4%
Jan 828°F7°F50°F 1966-27°F 197329%4%
Jan 928°F8°F53°F 1953-29°F 197329%4%
Jan 1028°F8°F52°F 1990-29°F 194928%4%
Jan 1128°F8°F53°F 1953-27°F 196328%4%
Jan 1228°F8°F53°F 2026-33°F 202428%4%
Jan 1328°F8°F57°F 2026-41°F 202428%4%
Jan 1428°F8°F53°F 2026-27°F 202428%4%
Jan 1528°F8°F55°F 2026-28°F 202428%4%
Jan 1628°F8°F52°F 1974-24°F 195728%4%
Jan 1728°F8°F53°F 1961-27°F 194328%4%
Jan 1828°F8°F52°F 2015-29°F 194328%3%
Jan 1928°F8°F53°F 1944-26°F 196328%3%
Jan 2028°F8°F54°F 1981-21°F 195428%3%
Jan 2128°F8°F52°F 1950-30°F 196228%3%
Jan 2228°F8°F58°F 1981-27°F 196228%3%
Jan 2328°F8°F54°F 2005-28°F 196928%3%
Jan 2428°F8°F53°F 2005-33°F 194928%3%
Jan 2529°F8°F57°F 2015-31°F 195728%3%
Jan 2629°F8°F55°F 2015-33°F 195728%3%
Jan 2729°F8°F55°F 2015-27°F 195728%3%
Jan 2829°F8°F50°F 1976-30°F 198029%3%
Jan 2929°F8°F52°F 1971-32°F 195129%3%
Jan 3029°F8°F55°F 1971-26°F 195129%3%
Jan 3129°F8°F57°F 1971-27°F 195130%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Beaverhead County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 8:10 AM, sunset 5:00 PM
January 31
sunrise 7:53 AM, sunset 5:38 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00004137 (Dillon 18 Wsw), public domain. Records: NOAA GHCN-Daily, station USW00024138, 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.