Guayanilla, Saturday, 8 August, 21:15
Clear. Feels like 86°. High 89°, low 76°.
In January, Guayanilla, PR averages a high of 83.1° and a low of 71.4°. About 0.7 inches of precipitation fall over the month (5 wet days). The record high is 88.9° (2025) and the record low 62.6° (2000). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 83.3° | 72° | 13% | 87.1° (1998) | 64.2° (1976) |
| 2 | 83.7° | 71.8° | 7% | 87.1° (1998) | 65.7° (1976) |
| 3 | 83.7° | 71.8° | 8% | 86.7° (1973) | 64° (1976) |
| 4 | 83.5° | 71.8° | 10% | 87.3° (1996) | 66.6° (2025) |
| 5 | 82.9° | 71.8° | 23% | 87.4° (1996) | 67.5° (1976) |
| 6 | 82.9° | 72° | 27% | 87.3° (1964) | 68.2° (1965) |
| 7 | 83.1° | 72° | 17% | 86.9° (1973) | 66.6° (1965) |
| 8 | 82.9° | 71.4° | 23% | 86.2° (1964) | 66.6° (1965) |
| 9 | 83.1° | 71.4° | 18% | 87.1° (2022) | 66° (1987) |
| 10 | 83.3° | 71.8° | 10% | 86.5° (1961) | 67.1° (1979) |
| 11 | 82.9° | 71.6° | 10% | 86.4° (1961) | 64.2° (1965) |
| 12 | 82.9° | 71.2° | 20% | 85.8° (2003) | 64.2° (2025) |
| 13 | 83.1° | 71.2° | 10% | 86.2° (2025) | 66.2° (2025) |
| 14 | 82.8° | 71.2° | 27% | 86.9° (2005) | 64.9° (2025) |
| 15 | 83.1° | 71.4° | 22% | 88° (2025) | 66.2° (2025) |
| 16 | 83.1° | 71.2° | 12% | 87.6° (2025) | 65.1° (1985) |
| 17 | 83.3° | 71.1° | 15% | 88.5° (2025) | 66° (1985) |
| 18 | 82.9° | 71.1° | 13% | 87.3° (2025) | 66.2° (1988) |
| 19 | 82.9° | 71.1° | 15% | 86.7° (1964) | 64° (2017) |
| 20 | 82.9° | 71.2° | 18% | 88.2° (2025) | 62.6° (2000) |
| 21 | 83.1° | 71.1° | 20% | 86.7° (1998) | 64.6° (1981) |
| 22 | 82.9° | 71.1° | 20% | 86.9° (1961) | 66.2° (1978) |
| 23 | 83.1° | 71.2° | 17% | 87.8° (2025) | 66.2° (1985) |
| 24 | 83.1° | 71.4° | 15% | 88.9° (2025) | 66.4° (1964) |
| 25 | 83.3° | 71.6° | 17% | 87.6° (1961) | 66.7° (2004) |
| 26 | 83.3° | 71.2° | 15% | 88.9° (2025) | 67.5° (2017) |
| 27 | 83.5° | 71.2° | 10% | 86.9° (2002) | 67.3° (1964) |
| 28 | 82.8° | 71.1° | 10% | 86.4° (1966) | 64.8° (1976) |
| 29 | 83.1° | 70.9° | 15% | 85.6° (1984) | 64.6° (1969) |
| 30 | 83.3° | 70.9° | 15% | 86.2° (1979) | 66° (1976) |
| 31 | 83.3° | 70.9° | 22% | 87.3° (1966) | 64.4° (1968) |