Caldwell, Saturday, 8 August, 20:59
Partly cloudy. Feels like 79°. High 86°, low 70°.
In December, Caldwell, NJ averages a high of 41° and a low of 28.3°. About 4.1 inches of precipitation fall over the month (10 wet days). The record high is 70.2° (1998) and the record low -8.9° (1960). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 45.3° | 32.7° | 33% | 66.6° (2006) | 16.2° (1967) |
| 2 | 44.8° | 32° | 33% | 61.3° (2023) | 14° (1967) |
| 3 | 45.1° | 31.5° | 28% | 62.4° (1998) | 12.6° (1976) |
| 4 | 44.2° | 31.1° | 27% | 69.3° (1998) | 13.3° (1966) |
| 5 | 42.6° | 31.1° | 30% | 66.4° (2001) | 18.1° (1989) |
| 6 | 44.1° | 31.3° | 42% | 67.5° (2001) | 18.9° (2002) |
| 7 | 42.8° | 30.4° | 32% | 70.2° (1998) | 12.6° (2002) |
| 8 | 41.4° | 29.8° | 28% | 59.2° (1966) | 17.2° (2003) |
| 9 | 41.9° | 28.8° | 38% | 61.7° (1991) | 12.7° (2003) |
| 10 | 42.6° | 30.2° | 32% | 61.7° (1966) | 8.4° (1968) |
| 11 | 42.3° | 29.5° | 42% | 65.1° (2021) | 12° (1977) |
| 12 | 41.4° | 28.8° | 37% | 60.1° (1979) | 5.9° (1988) |
| 13 | 41.4° | 28.9° | 30% | 63.5° (2015) | 5.5° (1960) |
| 14 | 40.6° | 29.1° | 38% | 61.2° (2015) | 5.7° (2005) |
| 15 | 41.7° | 28.6° | 33% | 62.6° (2015) | 3.7° (1960) |
| 16 | 41.4° | 28.6° | 37% | 60.4° (1971) | 12.9° (1966) |
| 17 | 40.6° | 28.8° | 37% | 59° (1984) | 9.7° (1972) |
| 18 | 39.4° | 26.8° | 25% | 59.9° (2023) | 8.8° (1960) |
| 19 | 37.9° | 25.3° | 23% | 58.1° (1990) | 7.7° (1973) |
| 20 | 38.1° | 25.3° | 32% | 54.5° (2002) | 3.9° (1963) |
| 21 | 39.9° | 26.6° | 28% | 59.5° (2018) | 3.4° (1981) |
| 22 | 39.9° | 27° | 32% | 65.7° (2013) | 3.2° (1989) |
| 23 | 40.8° | 27.7° | 35% | 61° (2013) | -5.3° (1960) |
| 24 | 40.5° | 27.3° | 42% | 67.5° (2015) | -8.9° (1960) |
| 25 | 39.6° | 25.5° | 37% | 64° (2015) | -4.9° (1980) |
| 26 | 36.9° | 25.3° | 27% | 58.6° (1964) | -2° (1980) |
| 27 | 36.9° | 25° | 27% | 58.8° (2015) | 3.2° (1980) |
| 28 | 40.3° | 26.1° | 23% | 62.1° (2008) | -1.1° (1960) |
| 29 | 40.5° | 27.3° | 32% | 63.9° (1984) | 6.6° (1963) |
| 30 | 38.3° | 25.9° | 28% | 57° (2022) | -0.8° (1962) |
| 31 | 39° | 25.2° | 43% | 59° (1965) | -5.3° (1963) |