January weather in National City, CA
The average temperature in National City in January is 57.0°F (46.5°F–67.5°F). Average precipitation: 1.82 inches.
January is a winter month in National City, and is cooler than the annual average of 63.3°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 4m. For travel, January is a comfortable month to visit.
Avg High
67.5°F
Avg Low
46.5°F
Precipitation
1.82 in
Daylight
10h 4m
January records in National City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 78.1°F (1959) | 28.0°F (1919) | 1.38 in (2026) |
| January 2 | 78.1°F (1994) | 32.0°F (1976) | 0.71 in (1931) |
| January 3 | 84.9°F (2003) | 30.9°F (1949) | 0.74 in (1995) |
| January 4 | 82.0°F (2001) | 26.1°F (1949) | 0.90 in (1995) |
| January 5 | 81.0°F (2012) | 27.0°F (1949) | 1.24 in (1987) |
| January 6 | 89.1°F (2006) | 28.0°F (1950) | 1.95 in (1979) |
| January 7 | 82.9°F (2003) | 28.0°F (1950) | 0.87 in (1977) |
| January 8 | 82.0°F (1996) | 30.9°F (1950) | 1.54 in (1957) |
| January 9 | 80.1°F (1983) | 28.0°F (1937) | 0.75 in (2018) |
| January 10 | 78.1°F (1983) | 32.0°F (1937) | 0.98 in (1980) |
| January 11 | 88.0°F (1996) | 34.0°F (1921) | 1.60 in (2001) |
| January 12 | 86.0°F (1986) | 34.0°F (1949) | 1.49 in (1954) |
| January 13 | 86.0°F (1996) | 33.1°F (1934) | 1.37 in (1949) |
| January 14 | 82.9°F (2009) | 24.1°F (1963) | 0.99 in (1938) |
| January 15 | 84.0°F (2021) | 34.0°F (1963) | 1.82 in (1978) |
| January 16 | 84.9°F (2003) | 28.0°F (1947) | 1.84 in (2023) |
| January 17 | 84.0°F (2011) | 30.0°F (1949) | 0.89 in (1952) |
| January 18 | 82.0°F (1977) | 30.0°F (1928) | 1.57 in (1952) |
| January 19 | 88.0°F (2005) | 30.9°F (1922) | 1.27 in (1933) |
| January 20 | 86.0°F (2005) | 30.0°F (1922) | 1.01 in (2017) |
| January 21 | 81.0°F (2013) | 27.0°F (1937) | 1.18 in (2010) |
| January 22 | 81.0°F (2013) | 30.9°F (1937) | 1.56 in (2024) |
| January 23 | 75.9°F (2013) | 30.0°F (1932) | 1.37 in (1967) |
| January 24 | 82.9°F (1990) | 32.0°F (1932) | 0.35 in (1943) |
| January 25 | 84.0°F (2003) | 33.1°F (1937) | 1.00 in (1999) |
| January 26 | 87.1°F (2003) | 32.0°F (1950) | 0.78 in (2013) |
| January 27 | 81.0°F (1986) | 30.9°F (1950) | 1.48 in (1943) |
| January 28 | 79.0°F (1931) | 28.9°F (1948) | 0.85 in (1983) |
| January 29 | 82.9°F (1984) | 34.0°F (1948) | 1.49 in (1922) |
| January 30 | 82.9°F (1997) | 34.0°F (1949) | 2.14 in (1986) |
| January 31 | 90.0°F (2003) | 32.0°F (1946) | 1.24 in (1926) |