Parkville, Sunday, 9 August, 18:16
Clear. Feels like 95°. High 90°, low 72°.
In December, Parkville, MD averages a high of 43.7° and a low of 30.9°. About 3.7 inches of precipitation fall over the month (9 wet days). The record high is 72.3° (1998) and the record low -4.2° (1960). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 47.7° | 34.7° | 30% | 70° (2006) | 17.4° (1967) |
| 2 | 47.1° | 33.6° | 28% | 63° (1970) | 13.5° (1967) |
| 3 | 47.7° | 33.8° | 23% | 66.6° (1998) | 17.1° (1976) |
| 4 | 46.9° | 33.3° | 23% | 70.2° (1982) | 15.1° (1966) |
| 5 | 45.3° | 33.6° | 33% | 68.2° (2001) | 22.5° (1966) |
| 6 | 46.4° | 33.3° | 33% | 71.6° (1998) | 17.1° (2007) |
| 7 | 45° | 32° | 22% | 72.3° (1998) | 12.4° (2002) |
| 8 | 44.4° | 32.4° | 25% | 65.7° (1980) | 16.7° (2003) |
| 9 | 44.4° | 31.5° | 38% | 65.7° (1966) | 13.5° (1989) |
| 10 | 45.1° | 32.5° | 33% | 63.7° (1966) | 10° (1989) |
| 11 | 44.4° | 32° | 37% | 67.1° (2021) | 14.9° (1995) |
| 12 | 44.2° | 31.6° | 20% | 65.7° (2015) | 10.2° (1962) |
| 13 | 44.1° | 31.5° | 30% | 67.5° (2015) | 6.3° (1960) |
| 14 | 43.3° | 31.3° | 35% | 66° (2015) | 7.9° (2005) |
| 15 | 44.4° | 31.5° | 32% | 64.4° (2015) | 14.2° (1962) |
| 16 | 43.9° | 30.9° | 33% | 63.5° (1971) | 10.6° (1989) |
| 17 | 43.5° | 31.1° | 32% | 63.7° (1984) | 7.5° (1989) |
| 18 | 42.1° | 29.7° | 22% | 66.2° (2006) | 9.5° (1989) |
| 19 | 41° | 28.2° | 25% | 57.7° (1970) | 7.7° (1989) |
| 20 | 41° | 28.2° | 30% | 56.7° (1987) | 5.5° (1963) |
| 21 | 42.3° | 29.7° | 27% | 63.7° (2013) | 8.1° (1981) |
| 22 | 42.6° | 29.5° | 33% | 68.2° (2013) | 3.2° (1989) |
| 23 | 43.5° | 29.5° | 33% | 61.5° (1990) | -4.2° (1960) |
| 24 | 43° | 29.5° | 40% | 67.6° (2015) | -2.9° (1960) |
| 25 | 41.5° | 28° | 37% | 67.8° (2015) | -0.2° (1983) |
| 26 | 39.6° | 27.7° | 23% | 61.2° (1964) | 2.3° (1983) |
| 27 | 40.1° | 28° | 22% | 67.3° (2015) | 4.8° (1989) |
| 28 | 43.3° | 29.7° | 27% | 63.7° (2008) | 6.4° (1960) |
| 29 | 42.6° | 30° | 30% | 67.8° (1984) | 10.8° (1961) |
| 30 | 41.7° | 29.7° | 22% | 61.2° (1971) | 5.4° (1961) |
| 31 | 42.6° | 28.9° | 37% | 63.7° (1992) | 1° (1963) |