Grover Beach, Sunday, 9 August, 06:18
Clear. Feels like 59°. High 73°, low 59°.
In December, Grover Beach, CA averages a high of 60.8° and a low of 46.8°. About 2.9 inches of precipitation fall over the month (6 wet days). The record high is 81.5° (2017) and the record low 30.2° (1990). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 63° | 48.7° | 13% | 76.8° (2021) | 41.5° (2004) |
| 2 | 62.2° | 48.2° | 15% | 72.5° (1969) | 40.1° (2024) |
| 3 | 62.2° | 47.8° | 18% | 72.9° (1965) | 40.1° (2024) |
| 4 | 62.4° | 47.8° | 15% | 74.8° (1979) | 39.6° (2024) |
| 5 | 62.8° | 48.6° | 15% | 77.4° (2023) | 40.8° (1972) |
| 6 | 62.6° | 48.2° | 18% | 74.3° (2024) | 37.8° (2013) |
| 7 | 62.2° | 48.4° | 23% | 80.2° (2017) | 38.3° (1978) |
| 8 | 61.5° | 47.1° | 8% | 77.7° (2020) | 37.8° (1978) |
| 9 | 62.1° | 47.1° | 15% | 77.5° (2017) | 34.9° (1972) |
| 10 | 61.9° | 47.1° | 13% | 79.7° (2017) | 36.1° (1972) |
| 11 | 61.3° | 47.3° | 17% | 80.1° (2017) | 37.6° (1972) |
| 12 | 60.8° | 46.6° | 17% | 81.5° (2017) | 35.6° (1972) |
| 13 | 59.9° | 46° | 15% | 79.9° (2017) | 37.8° (1967) |
| 14 | 59.7° | 46.2° | 17% | 69.1° (2017) | 35.8° (1967) |
| 15 | 60.8° | 46.2° | 20% | 72.7° (1980) | 38.1° (1972) |
| 16 | 61.9° | 45.9° | 20% | 75.7° (1980) | 36.5° (1967) |
| 17 | 61.3° | 47.3° | 20% | 71.8° (1979) | 36.9° (1984) |
| 18 | 60.1° | 46.8° | 23% | 73.8° (2024) | 39.2° (2022) |
| 19 | 59.9° | 46° | 22% | 72° (2024) | 37.6° (2022) |
| 20 | 59.7° | 45.9° | 22% | 76.6° (2020) | 37.8° (1971) |
| 21 | 59.5° | 46° | 28% | 69.1° (1985) | 36.3° (1998) |
| 22 | 59.4° | 46.9° | 27% | 71.6° (1960) | 30.2° (1990) |
| 23 | 59.9° | 46° | 18% | 71.4° (1960) | 32.9° (1990) |
| 24 | 60.6° | 46.6° | 23% | 73° (1989) | 36° (1990) |
| 25 | 60.4° | 45.7° | 23% | 73.9° (2013) | 36.7° (1987) |
| 26 | 59.9° | 45.7° | 17% | 75.7° (1980) | 36.3° (1987) |
| 27 | 59.2° | 46° | 25% | 74.8° (2017) | 36.3° (1988) |
| 28 | 59.2° | 45.7° | 23% | 70.9° (1980) | 38.1° (1962) |
| 29 | 59.4° | 45.9° | 23% | 73.8° (1980) | 37.6° (1988) |
| 30 | 59.4° | 46.4° | 25% | 75.9° (1980) | 37.8° (1988) |
| 31 | 59° | 46.2° | 20% | 73.9° (1980) | 39° (1960) |