Merced County Weather in January
Average highs run from 55°F on January 1 to 58°F on January 31, and lows from 35°F to 36°F. Normal precipitation for the month is 2.40 in over about 8 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
- 56°F
- Average low
- 36°F
- Precipitation
- 2.40 in
- Record high
- 75°FJan 9, 1953
- Record low
- 13°FJan 13, 2007
- Chance of a freeze
- 94%
- Daylight
- 9 h 40 min to 10 h 21 min
- Cloud cover
- 59%
- Humidity
- 75%
- Dew point
- 40°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 55°F | 35°F | 67°F 1958 | 18°F 1976 | 26% |
| Jan 2 | 55°F | 35°F | 66°F 1913 | 19°F 1924 | 26% |
| Jan 3 | 55°F | 35°F | 68°F 1948 | 20°F 1970 | 26% |
| Jan 4 | 55°F | 35°F | 69°F 1948 | 20°F 1949 | 26% |
| Jan 5 | 55°F | 35°F | 70°F 2018 | 18°F 1949 | 26% |
| Jan 6 | 55°F | 35°F | 70°F 1948 | 18°F 1913 | 26% |
| Jan 7 | 55°F | 35°F | 69°F 1911 | 18°F 2007 | 26% |
| Jan 8 | 55°F | 35°F | 70°F 1911 | 21°F 1937 | 26% |
| Jan 9 | 55°F | 36°F | 75°F 1953 | 20°F 1904 | 26% |
| Jan 10 | 55°F | 36°F | 66°F 1941 | 16°F 1949 | 26% |
| Jan 11 | 55°F | 36°F | 70°F 1959 | 17°F 1949 | 26% |
| Jan 12 | 55°F | 36°F | 71°F 1980 | 20°F 1920 | 26% |
| Jan 13 | 55°F | 36°F | 71°F 1980 | 13°F 2007 | 26% |
| Jan 14 | 55°F | 36°F | 69°F 1905 | 20°F 2007 | 26% |
| Jan 15 | 55°F | 36°F | 72°F 1974 | 20°F 1904 | 26% |
| Jan 16 | 55°F | 36°F | 71°F 1909 | 21°F 2007 | 26% |
| Jan 17 | 55°F | 36°F | 70°F 1920 | 22°F 1904 | 26% |
| Jan 18 | 55°F | 36°F | 73°F 2021 | 21°F 1917 | 26% |
| Jan 19 | 56°F | 36°F | 75°F 1981 | 20°F 1943 | 26% |
| Jan 20 | 56°F | 36°F | 75°F 1981 | 20°F 1943 | 26% |
| Jan 21 | 56°F | 36°F | 73°F 1981 | 20°F 1937 | 26% |
| Jan 22 | 56°F | 36°F | 72°F 1950 | 20°F 1937 | 26% |
| Jan 23 | 56°F | 36°F | 70°F 1968 | 20°F 1962 | 26% |
| Jan 24 | 56°F | 36°F | 69°F 1968 | 22°F 1937 | 26% |
| Jan 25 | 56°F | 36°F | 72°F 1906 | 20°F 1904 | 26% |
| Jan 26 | 57°F | 36°F | 72°F 1906 | 21°F 1949 | 26% |
| Jan 27 | 57°F | 36°F | 70°F 1906 | 22°F 1949 | 26% |
| Jan 28 | 57°F | 36°F | 73°F 1988 | 22°F 1904 | 26% |
| Jan 29 | 57°F | 36°F | 73°F 2024 | 22°F 1904 | 26% |
| Jan 30 | 57°F | 36°F | 73°F 2024 | 23°F 1957 | 26% |
| Jan 31 | 58°F | 36°F | 72°F 1906 | 24°F 1946 | 26% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:17 AM, sunset 4:57 PM
- January 31
- sunrise 7:06 AM, sunset 5:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093243 (Merced 23 Wsw), public domain. Records: NOAA GHCN-Daily, station USC00045532, 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.