Sunol climate

Sunol Weather in January

NOAA 1991-2020 normals for Fremont, 12.6 km from Sunol

Average highs run from 58°F on January 1 to 60°F on January 31, and lows from 42°F to 43°F. Normal precipitation for the month is 3.00 in over about 10 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 Sunol, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
59°F
Average low
43°F
Precipitation
3.00 in
Record high
81°FJan 29, 2024
Record low
18°FJan 5, 1961
Chance of a freeze
36%
Daylight
9 h 37 min to 10 h 19 min
Cloud cover
55%
Humidity
84%
Dew point
42°F
Wind
6.5 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°F42°F68°F 191419°F 191933%
Jan 258°F42°F69°F 195920°F 197633%
Jan 358°F42°F70°F 191321°F 196033%
Jan 458°F42°F69°F 191421°F 196133%
Jan 558°F42°F72°F 191118°F 196132%
Jan 658°F42°F77°F 191120°F 196132%
Jan 758°F42°F77°F 191120°F 197332%
Jan 858°F42°F72°F 191124°F 193732%
Jan 958°F42°F74°F 202519°F 193732%
Jan 1058°F42°F72°F 195324°F 192932%
Jan 1158°F42°F71°F 200921°F 194932%
Jan 1258°F42°F71°F 195923°F 196432%
Jan 1358°F42°F73°F 200920°F 194932%
Jan 1458°F43°F68°F 200921°F 192632%
Jan 1559°F43°F75°F 192021°F 196332%
Jan 1659°F43°F76°F 202123°F 190332%
Jan 1759°F43°F76°F 202123°F 193332%
Jan 1859°F43°F75°F 202122°F 191732%
Jan 1959°F43°F70°F 191921°F 194332%
Jan 2059°F43°F70°F 191920°F 192232%
Jan 2159°F43°F73°F 191921°F 192232%
Jan 2259°F43°F75°F 194819°F 193732%
Jan 2359°F43°F72°F 194820°F 193732%
Jan 2459°F43°F73°F 197523°F 196232%
Jan 2559°F43°F73°F 191121°F 195032%
Jan 2659°F43°F72°F 191822°F 194932%
Jan 2759°F43°F72°F 193124°F 194932%
Jan 2859°F43°F71°F 193422°F 197532%
Jan 2959°F43°F81°F 202424°F 197932%
Jan 3060°F43°F75°F 197622°F 197532%
Jan 3160°F43°F79°F 202222°F 197232%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sunol, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PST).

January 1
sunrise 7:23 AM, sunset 5:00 PM
January 31
sunrise 7:12 AM, sunset 5:31 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043244 (Fremont), public domain. Records: NOAA GHCN-Daily, station USC00044997, 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.