Guayanilla, Sunday, 9 August, 01:56
Partly cloudy. Feels like 78°. High 89°, low 76°.
In August, Guayanilla, PR averages a high of 87.5° and a low of 76.8°. About 3.5 inches of precipitation fall over the month (18 wet days). The record high is 93.2° (2009) and the record low 72° (1976). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 87.8° | 76.8° | 60% | 93° (1971) | 75° (1972) |
| 2 | 87.8° | 76.6° | 58% | 91.9° (1971) | 74.7° (1968) |
| 3 | 87.8° | 76.8° | 53% | 93° (2013) | 73.2° (1975) |
| 4 | 88° | 77° | 50% | 92.1° (2017) | 73.4° (1963) |
| 5 | 87.6° | 76.8° | 53% | 91.9° (2024) | 74.5° (1970) |
| 6 | 87.8° | 77° | 38% | 91° (1969) | 73.8° (1984) |
| 7 | 87.8° | 76.8° | 58% | 93.2° (2009) | 72.3° (2025) |
| 8 | 88° | 76.8° | 52% | 93° (2009) | 73.4° (2025) |
| 9 | 87.6° | 76.8° | 63% | 91.8° (2022) | 73.8° (2025) |
| 10 | 87.6° | 76.8° | 62% | 91.4° (1995) | 74.1° (2020) |
| 11 | 87.4° | 77° | 58% | 93° (1995) | 75° (1989) |
| 12 | 88° | 77.2° | 45% | 92.1° (1995) | 74.8° (2023) |
| 13 | 87.8° | 76.8° | 55% | 91.9° (1966) | 73.4° (2025) |
| 14 | 87.6° | 76.6° | 48% | 92.7° (2006) | 73.9° (2022) |
| 15 | 87.4° | 76.8° | 63% | 91.4° (2023) | 74.5° (1971) |
| 16 | 87.6° | 76.8° | 65% | 92.8° (2017) | 73.2° (2025) |
| 17 | 87.3° | 76.8° | 70% | 91.9° (1965) | 74.5° (1978) |
| 18 | 87.4° | 76.6° | 58% | 91.6° (2000) | 74.7° (1995) |
| 19 | 87.6° | 76.6° | 55% | 92.5° (2016) | 72.9° (1969) |
| 20 | 87.8° | 76.8° | 57% | 91.8° (1993) | 74.7° (1965) |
| 21 | 87.8° | 76.8° | 63% | 91.9° (2000) | 75.2° (1962) |
| 22 | 86.9° | 76.6° | 62% | 92.5° (1964) | 72° (1976) |
| 23 | 87.1° | 76.6° | 55% | 92.1° (2009) | 74.1° (1971) |
| 24 | 86.9° | 76.6° | 67% | 91° (1987) | 73° (2018) |
| 25 | 87.1° | 76.6° | 55% | 92.3° (2025) | 73.8° (1969) |
| 26 | 87.1° | 76.8° | 65% | 92.8° (1990) | 73.6° (1967) |
| 27 | 87.3° | 76.6° | 63% | 92.8° (1990) | 73.8° (1996) |
| 28 | 86.9° | 76.5° | 65% | 91.2° (1990) | 74.3° (1970) |
| 29 | 87.1° | 76.6° | 67% | 90.3° (1965) | 74.3° (1995) |
| 30 | 87.3° | 76.6° | 57% | 92.7° (1994) | 73.2° (2025) |
| 31 | 87.1° | 76.6° | 55% | 91.2° (1960) | 74.1° (2021) |