Fulton climate

Fulton Weather in January

NOAA 1991-2020 normals for Santa Rosa, 6.7 km from Fulton

Average highs run from 58°F on January 1 to 62°F on January 31, and lows from 38°F to 39°F. Normal precipitation for the month is 5.78 in over about 14 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 Fulton, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
60°F
Average low
38°F
Precipitation
5.78 in
Record high
82°FJan 12, 2009
Record low
20°FJan 15, 2007
Chance of a freeze
81%
Daylight
9 h 32 min to 10 h 15 min
Cloud cover
59%
Humidity
85%
Dew point
44°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Jan 158°F38°F68°F 200724°F 201644%
Jan 259°F38°F68°F 202026°F 201344%
Jan 359°F38°F70°F 201426°F 201344%
Jan 459°F38°F69°F 201426°F 200944%
Jan 559°F38°F70°F 201223°F 201445%
Jan 659°F38°F70°F 200326°F 201745%
Jan 759°F38°F71°F 202529°F 200045%
Jan 859°F38°F70°F 202529°F 199945%
Jan 959°F38°F78°F 202527°F 201245%
Jan 1059°F38°F66°F 202525°F 201145%
Jan 1159°F38°F69°F 202528°F 199945%
Jan 1259°F38°F82°F 200925°F 200745%
Jan 1359°F38°F70°F 200921°F 200745%
Jan 1459°F38°F69°F 201422°F 200745%
Jan 1560°F38°F71°F 201420°F 200745%
Jan 1660°F38°F73°F 201422°F 200745%
Jan 1760°F38°F76°F 202121°F 201245%
Jan 1860°F38°F79°F 202124°F 200745%
Jan 1960°F39°F70°F 201126°F 200745%
Jan 2060°F39°F70°F 201427°F 201345%
Jan 2160°F39°F73°F 201426°F 201346%
Jan 2260°F39°F77°F 201128°F 201446%
Jan 2360°F39°F75°F 200627°F 200246%
Jan 2461°F39°F73°F 201426°F 200746%
Jan 2561°F39°F76°F 201429°F 202246%
Jan 2661°F39°F73°F 201424°F 202146%
Jan 2761°F39°F70°F 201227°F 200946%
Jan 2861°F39°F70°F 201528°F 200146%
Jan 2961°F39°F73°F 202428°F 199945%
Jan 3061°F39°F73°F 201526°F 200245%
Jan 3162°F39°F80°F 201526°F 200245%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (PST).

January 1
sunrise 7:29 AM, sunset 5:01 PM
January 31
sunrise 7:17 AM, sunset 5:32 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047965 (Santa Rosa), public domain. Records: NOAA GHCN-Daily, station USW00023213, 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.