December weather in Porterville, CA
The average temperature in Porterville in December is 49.0°F (38.8°F–59.2°F). Average precipitation: 1.93 inches.
December is a winter month in Porterville, and is cooler than the annual average of 65.7°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 34m. For travel, December is a comfortable month to visit.
Avg High
59.2°F
Avg Low
38.8°F
Precipitation
1.93 in
Daylight
9h 34m
December records in Porterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 77.0°F (1926) | 28.0°F (1933) | 0.58 in (1932) |
| December 2 | 86.0°F (1926) | 27.0°F (1991) | 0.69 in (1952) |
| December 3 | 81.0°F (1926) | 28.9°F (1934) | 0.93 in (1928) |
| December 4 | 79.0°F (1911) | 27.0°F (1909) | 1.30 in (1974) |
| December 5 | 81.0°F (1911) | 26.1°F (1903) | 0.68 in (1987) |
| December 6 | 82.0°F (1911) | 27.0°F (1912) | 2.34 in (1966) |
| December 7 | 84.9°F (1911) | 24.1°F (1978) | 1.95 in (1966) |
| December 8 | 84.0°F (1911) | 23.0°F (1978) | 0.79 in (1909) |
| December 9 | 80.1°F (1911) | 21.9°F (1972) | 0.53 in (1931) |
| December 10 | 79.0°F (1911) | 24.1°F (1972) | 1.10 in (1937) |
| December 11 | 77.0°F (1937) | 23.0°F (1972) | 0.60 in (1902) |
| December 12 | 72.0°F (1929) | 21.9°F (1972) | 1.25 in (1937) |
| December 13 | 75.9°F (1998) | 23.0°F (1940) | 1.10 in (1928) |
| December 14 | 73.9°F (1962) | 21.9°F (1967) | 0.90 in (1934) |
| December 15 | 79.0°F (1962) | 24.1°F (1940) | 0.51 in (1993) |
| December 16 | 75.0°F (1941) | 25.0°F (1935) | 0.47 in (1984) |
| December 17 | 73.0°F (1957) | 24.1°F (1928) | 0.93 in (1957) |
| December 18 | 75.0°F (1998) | 23.0°F (1908) | 0.80 in (1921) |
| December 19 | 73.9°F (1979) | 24.1°F (1924) | 0.57 in (1921) |
| December 20 | 80.1°F (1981) | 21.9°F (1908) | 1.05 in (2002) |
| December 21 | 79.0°F (1919) | 23.0°F (1930) | 1.34 in (1943) |
| December 22 | 75.9°F (2000) | 18.0°F (1990) | 1.45 in (1945) |
| December 23 | 73.9°F (1902) | 16.0°F (1990) | 0.74 in (1940) |
| December 24 | 73.9°F (1919) | 16.0°F (1990) | 1.43 in (1916) |
| December 25 | 71.1°F (1964) | 21.9°F (1948) | 1.13 in (1994) |
| December 26 | 73.0°F (1921) | 19.9°F (1904) | 0.90 in (1971) |
| December 27 | 73.0°F (1922) | 21.0°F (1962) | 1.02 in (1936) |
| December 28 | 75.9°F (1991) | 21.0°F (1930) | 0.91 in (1941) |
| December 29 | 71.1°F (1977) | 19.9°F (1929) | 0.86 in (1931) |
| December 30 | 73.9°F (1956) | 21.9°F (1930) | 0.80 in (1927) |
| December 31 | 73.9°F (1926) | 19.9°F (1929) | 1.25 in (1904) |