Ukiah climate

Ukiah Weather in January

NOAA 1991-2020 normals for Ukiah, 0.4 km from Ukiah

Average highs run from 56°F on January 1 to 58°F on January 31, and lows from 36°F to 38°F. Normal precipitation for the month is 7.39 in over about 13 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 Ukiah, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
57°F
Average low
37°F
Precipitation
7.39 in
Record high
80°FJan 18, 2021
Record low
19°FJan 13, 2007
Chance of a freeze
84%
Daylight
9 h 29 min to 10 h 13 min
Cloud cover
59%
Humidity
83%
Dew point
39°F
Wind
4.7 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 156°F36°F68°F 201425°F 201543%0%
Jan 256°F36°F70°F 201425°F 201643%0%
Jan 356°F37°F71°F 201426°F 200443%0%
Jan 456°F37°F68°F 201425°F 200943%0%
Jan 556°F37°F69°F 201424°F 201443%0%
Jan 656°F37°F69°F 200325°F 201742%0%
Jan 756°F37°F71°F 201527°F 201142%0%
Jan 856°F37°F69°F 202528°F 201242%0%
Jan 956°F37°F71°F 202526°F 201142%0%
Jan 1056°F37°F69°F 202527°F 201142%0%
Jan 1156°F37°F69°F 200926°F 200742%0%
Jan 1257°F37°F76°F 200922°F 200742%0%
Jan 1357°F37°F72°F 200919°F 200742%0%
Jan 1457°F37°F70°F 200919°F 200741%0%
Jan 1557°F38°F76°F 201421°F 200741%0%
Jan 1657°F38°F76°F 201420°F 201241%0%
Jan 1757°F38°F78°F 202121°F 201241%0%
Jan 1857°F38°F80°F 202126°F 201441%0%
Jan 1957°F38°F72°F 201425°F 201441%0%
Jan 2057°F38°F72°F 201425°F 201441%0%
Jan 2157°F38°F72°F 201425°F 201441%0%
Jan 2258°F38°F78°F 202227°F 201341%0%
Jan 2358°F38°F76°F 200626°F 200241%0%
Jan 2458°F38°F76°F 201527°F 200741%0%
Jan 2558°F38°F77°F 201427°F 200741%0%
Jan 2658°F38°F73°F 201426°F 202141%0%
Jan 2758°F38°F73°F 201926°F 200941%0%
Jan 2858°F38°F78°F 202428°F 200141%0%
Jan 2958°F38°F74°F 201928°F 200241%0%
Jan 3058°F38°F74°F 201525°F 200241%0%
Jan 3158°F38°F75°F 201525°F 202341%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ukiah, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

January 1
sunrise 7:32 AM, sunset 5:01 PM
January 31
sunrise 7:20 AM, sunset 5:33 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049122 (Ukiah), public domain. Records: NOAA GHCN-Daily, station USW00023275, 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.