Santa Clara County Weather in January
Average highs run from 49°F on January 1 to 49°F on January 31, and lows from 39°F to 38°F. Normal precipitation for the month is 5.03 in over about 12 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 50°F
- Average low
- 39°F
- Precipitation
- 5.03 in
- Snowfall
- 4.2 in
- Record high
- 79°FJan 8, 1962
- Record low
- 18°FJan 6, 1894
- Chance of a freeze
- 92%
- Daylight
- 9 h 39 min to 10 h 21 min
- Cloud cover
- 55%
- Humidity
- 80%
- Dew point
- 40°F
- Wind
- 5.8 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 49°F | 39°F | 69°F 1996 | 22°F 1919 | 38% | 6% |
| Jan 2 | 49°F | 39°F | 71°F 1996 | 23°F 1924 | 39% | 7% |
| Jan 3 | 50°F | 39°F | 70°F 1914 | 24°F 1919 | 39% | 7% |
| Jan 4 | 50°F | 39°F | 68°F 1911 | 26°F 1910 | 39% | 7% |
| Jan 5 | 50°F | 39°F | 71°F 1911 | 22°F 1894 | 39% | 7% |
| Jan 6 | 50°F | 39°F | 74°F 1911 | 18°F 1894 | 39% | 7% |
| Jan 7 | 50°F | 39°F | 72°F 1911 | 25°F 1913 | 39% | 7% |
| Jan 8 | 50°F | 39°F | 79°F 1962 | 26°F 1937 | 39% | 7% |
| Jan 9 | 50°F | 39°F | 77°F 1962 | 22°F 1937 | 39% | 7% |
| Jan 10 | 50°F | 40°F | 74°F 2025 | 27°F 1920 | 39% | 7% |
| Jan 11 | 50°F | 40°F | 69°F 1920 | 24°F 1949 | 38% | 7% |
| Jan 12 | 50°F | 40°F | 71°F 1948 | 28°F 1894 | 38% | 7% |
| Jan 13 | 50°F | 40°F | 70°F 2025 | 27°F 1949 | 38% | 7% |
| Jan 14 | 50°F | 40°F | 68°F 1912 | 28°F 1997 | 39% | 7% |
| Jan 15 | 50°F | 40°F | 69°F 1974 | 30°F 1895 | 39% | 7% |
| Jan 16 | 50°F | 39°F | 72°F 1920 | 26°F 1928 | 39% | 7% |
| Jan 17 | 50°F | 39°F | 76°F 1920 | 22°F 1917 | 39% | 7% |
| Jan 18 | 50°F | 39°F | 74°F 1920 | 22°F 1917 | 39% | 7% |
| Jan 19 | 50°F | 39°F | 70°F 1944 | 25°F 1922 | 39% | 7% |
| Jan 20 | 50°F | 39°F | 69°F 1944 | 24°F 1922 | 39% | 7% |
| Jan 21 | 50°F | 39°F | 71°F 1950 | 23°F 1922 | 39% | 7% |
| Jan 22 | 50°F | 39°F | 71°F 1961 | 24°F 1922 | 39% | 7% |
| Jan 23 | 50°F | 39°F | 78°F 1948 | 25°F 1937 | 39% | 7% |
| Jan 24 | 50°F | 39°F | 76°F 1948 | 25°F 1893 | 39% | 7% |
| Jan 25 | 49°F | 39°F | 71°F 1948 | 27°F 1895 | 39% | 7% |
| Jan 26 | 49°F | 39°F | 68°F 1934 | 23°F 1895 | 39% | 7% |
| Jan 27 | 49°F | 39°F | 76°F 1988 | 27°F 1895 | 39% | 7% |
| Jan 28 | 49°F | 39°F | 72°F 1928 | 24°F 1895 | 39% | 7% |
| Jan 29 | 49°F | 39°F | 74°F 2024 | 21°F 1895 | 39% | 7% |
| Jan 30 | 49°F | 38°F | 73°F 2024 | 24°F 1895 | 39% | 7% |
| Jan 31 | 49°F | 38°F | 71°F 1962 | 26°F 1895 | 39% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:21 AM, sunset 5:00 PM
- January 31
- sunrise 7:10 AM, sunset 5:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045933 (Mt Hamilton), public domain. Records: NOAA GHCN-Daily, station USC00047821, 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.