Rohnert Park, Sunday, 9 August, 04:30
Clear. Feels like 54°. High 91°, low 55°.
In December, Rohnert Park, CA averages a high of 56.8° and a low of 40.3°. About 5.1 inches of precipitation fall over the month (10 wet days). The record high is 73.4° (2011) and the record low 23.4° (1972). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 59.5° | 41.7° | 28% | 70.9° (2021) | 33.3° (1986) |
| 2 | 58.8° | 41.7° | 28% | 73.4° (2011) | 29.3° (2022) |
| 3 | 59.2° | 42.6° | 35% | 66.6° (1979) | 31.6° (2004) |
| 4 | 58.8° | 41.9° | 30% | 68° (1977) | 31.1° (1968) |
| 5 | 58.8° | 42.8° | 27% | 68° (1976) | 30.9° (1998) |
| 6 | 58.5° | 43° | 35% | 68.7° (1962) | 31.5° (1978) |
| 7 | 58.6° | 41.7° | 37% | 72.7° (2020) | 30.2° (1978) |
| 8 | 57.7° | 41.5° | 28% | 69.3° (1975) | 27.3° (1972) |
| 9 | 58.3° | 41.2° | 32% | 68.9° (2017) | 27.7° (1972) |
| 10 | 57.7° | 40.6° | 30% | 68.5° (2017) | 27° (1972) |
| 11 | 56.5° | 40.1° | 28% | 67.8° (2017) | 28.8° (1972) |
| 12 | 56.3° | 40.8° | 33% | 66.6° (1988) | 28.6° (1972) |
| 13 | 55.9° | 40.8° | 33% | 64.6° (1988) | 23.4° (1972) |
| 14 | 56.1° | 40.1° | 33% | 66° (2017) | 27.3° (1972) |
| 15 | 56.5° | 39.4° | 33% | 67.8° (1998) | 27.3° (1972) |
| 16 | 57° | 38.8° | 23% | 70.7° (1998) | 29.5° (2022) |
| 17 | 56.8° | 39.6° | 40% | 68.7° (2017) | 28° (2022) |
| 18 | 56.1° | 39.2° | 30% | 65.7° (1976) | 27.5° (1965) |
| 19 | 56.3° | 39.4° | 28% | 71.2° (1999) | 29.5° (1965) |
| 20 | 55° | 39.9° | 28% | 70.7° (1999) | 27.1° (1965) |
| 21 | 55.4° | 40.8° | 43% | 69.4° (1999) | 26.6° (1990) |
| 22 | 55.6° | 39.9° | 37% | 67.5° (2023) | 24.8° (1990) |
| 23 | 56.7° | 38.8° | 28% | 65.3° (2013) | 27.1° (1990) |
| 24 | 56.1° | 38.8° | 27% | 67.3° (2013) | 26.2° (1990) |
| 25 | 55.9° | 38.3° | 23% | 68.2° (2013) | 27.5° (1990) |
| 26 | 55.6° | 38.1° | 33% | 70.2° (1967) | 28.8° (1962) |
| 27 | 55° | 39.4° | 38% | 69.8° (1967) | 29.3° (1962) |
| 28 | 55.6° | 39.4° | 33% | 71.4° (1975) | 28.2° (1962) |
| 29 | 55.8° | 39.7° | 38% | 67.8° (2013) | 27.9° (1962) |
| 30 | 55.9° | 39.2° | 32% | 66.4° (1980) | 27.9° (1978) |
| 31 | 55.9° | 39.2° | 25% | 63.5° (1980) | 27.3° (1978) |