Santa Isabel, Sunday, 9 August, 14:14
Clear. Feels like 103°. High 94°, low 79°.
In December, Santa Isabel, PR averages a high of 82.5° and a low of 72°. About 1.2 inches of precipitation fall over the month (8 wet days). The record high is 91.6° (2024) and the record low 61° (2025). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 83.1° | 72.7° | 30% | 91.2° (2021) | 65.8° (2001) |
| 2 | 82.9° | 72.7° | 35% | 89.2° (2024) | 67.8° (2025) |
| 3 | 82.6° | 72.5° | 30% | 88.7° (2018) | 65.8° (2010) |
| 4 | 82.4° | 72.3° | 37% | 88.9° (2021) | 66.9° (1996) |
| 5 | 82.6° | 72.5° | 37% | 89.4° (2024) | 65.8° (2010) |
| 6 | 82.8° | 72.5° | 23% | 91.6° (2024) | 67.8° (1996) |
| 7 | 82.8° | 72.3° | 28% | 89.8° (2024) | 67.8° (1967) |
| 8 | 82.8° | 72.5° | 27% | 89.4° (2024) | 66.4° (2022) |
| 9 | 82.6° | 72.5° | 23% | 88.9° (2023) | 67.3° (2022) |
| 10 | 82.4° | 72.3° | 32% | 88.3° (2024) | 64.6° (2022) |
| 11 | 82.8° | 72.3° | 22% | 90° (2021) | 66.4° (1969) |
| 12 | 82.8° | 72.1° | 30% | 88.3° (2023) | 65.8° (2022) |
| 13 | 82.8° | 72.1° | 23% | 88.7° (2025) | 67.6° (1984) |
| 14 | 82.6° | 72° | 25% | 88.2° (2021) | 65.5° (1969) |
| 15 | 82.4° | 72° | 37% | 86.5° (1989) | 66.4° (1966) |
| 16 | 82.2° | 72° | 43% | 87.6° (2024) | 66.6° (1964) |
| 17 | 82.8° | 72.1° | 17% | 88.9° (2024) | 64.9° (1996) |
| 18 | 82.6° | 71.6° | 22% | 88° (2024) | 63.3° (1996) |
| 19 | 82.6° | 72° | 25% | 88° (2025) | 64.2° (1984) |
| 20 | 82.6° | 72° | 32% | 88° (2019) | 66.2° (1984) |
| 21 | 82.4° | 71.8° | 10% | 87.6° (2021) | 67.1° (1979) |
| 22 | 82.6° | 72° | 23% | 86.9° (2020) | 65.1° (1979) |
| 23 | 82.6° | 71.8° | 25% | 86.9° (2020) | 65.5° (1991) |
| 24 | 82.2° | 71.8° | 30% | 86.5° (2018) | 64° (2010) |
| 25 | 82.2° | 71.6° | 28% | 86.5° (2018) | 64.9° (2010) |
| 26 | 82.2° | 71.4° | 27% | 86.7° (2018) | 62.1° (1979) |
| 27 | 82.6° | 71.4° | 27% | 86.9° (2021) | 64.9° (1979) |
| 28 | 82° | 71.2° | 20% | 89.4° (2021) | 61° (2025) |
| 29 | 82.2° | 70.9° | 23% | 90.1° (2021) | 62.4° (2025) |
| 30 | 82° | 70.9° | 32% | 89.2° (2021) | 63.9° (1975) |
| 31 | 82.2° | 71.4° | 22% | 88.7° (2021) | 65.5° (1975) |