December weather in Casa Grande, AZ
The average temperature in Casa Grande in December is 53.0°F (38.4°F–67.6°F). Average precipitation: 0.73 inches.
December is a winter month in Casa Grande, and is cooler than the annual average of 72.4°F. Daily temperatures swing about 29.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 50m. For travel, December is a comfortable month to visit.
Avg High
67.6°F
Avg Low
38.4°F
Precipitation
0.73 in
Daylight
9h 50m
December records in Casa Grande
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.9°F (1953) | 25.0°F (1906) | 0.74 in (1922) |
| December 2 | 87.1°F (1995) | 21.0°F (1934) | 1.25 in (1925) |
| December 3 | 87.1°F (1907) | 21.9°F (1934) | 1.40 in (1906) |
| December 4 | 89.1°F (1907) | 23.0°F (1948) | 1.69 in (2022) |
| December 5 | 90.0°F (1907) | 23.0°F (1906) | 0.75 in (1994) |
| December 6 | 91.0°F (1907) | 23.0°F (2005) | 0.52 in (1926) |
| December 7 | 87.1°F (1907) | 19.9°F (1960) | 0.30 in (1986) |
| December 8 | 86.0°F (1939) | 25.0°F (1976) | 0.78 in (2007) |
| December 9 | 87.1°F (1906) | 23.0°F (1906) | 1.05 in (1965) |
| December 10 | 87.1°F (1907) | 21.9°F (1906) | 1.41 in (1982) |
| December 11 | 87.1°F (1950) | 19.0°F (1906) | 0.78 in (1941) |
| December 12 | 84.9°F (1907) | 21.0°F (1906) | 1.10 in (1934) |
| December 13 | 82.0°F (1950) | 25.0°F (1906) | 1.00 in (1902) |
| December 14 | 81.0°F (1907) | 21.9°F (1920) | 1.16 in (1967) |
| December 15 | 87.1°F (1907) | 18.0°F (1931) | 1.65 in (1967) |
| December 16 | 87.1°F (1907) | 18.0°F (1931) | 0.40 in (1938) |
| December 17 | 90.0°F (1907) | 21.9°F (1930) | 0.59 in (1987) |
| December 18 | 82.9°F (2024) | 21.9°F (1928) | 0.56 in (1967) |
| December 19 | 82.0°F (1950) | 19.0°F (1928) | 0.65 in (1938) |
| December 20 | 80.1°F (1950) | 19.0°F (1930) | 1.10 in (1968) |
| December 21 | 82.0°F (2005) | 21.9°F (1906) | 0.65 in (1975) |
| December 22 | 82.0°F (2005) | 21.9°F (1929) | 0.58 in (2023) |
| December 23 | 84.9°F (1906) | 23.0°F (1920) | 0.75 in (2002) |
| December 24 | 87.1°F (1906) | 15.1°F (1974) | 0.52 in (2019) |
| December 25 | 82.9°F (1907) | 21.0°F (1976) | 0.92 in (1959) |
| December 26 | 82.9°F (1906) | 21.0°F (1906) | 0.50 in (1968) |
| December 27 | 87.1°F (1907) | 21.9°F (1974) | 1.05 in (1984) |
| December 28 | 89.1°F (1907) | -32.1°F (1948) | 1.20 in (1936) |
| December 29 | 84.9°F (1907) | 18.0°F (1954) | 0.43 in (1989) |
| December 30 | 87.1°F (1907) | 17.1°F (1954) | 0.45 in (1940) |
| December 31 | 89.1°F (1907) | 17.1°F (1906) | 1.30 in (1940) |