San Juan, Sunday, 9 August, 13:41
Rain. Feels like 101°. High 89°, low 79°.
In August, San Juan, PR averages a high of 88.9° and a low of 76°. About 4.9 inches of precipitation fall over the month (24 wet days). The record high is 95.2° (2019) and the record low 71.4° (2022). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 89.1° | 75.9° | 78% | 92.8° (2022) | 73.6° (1984) |
| 2 | 88.7° | 75.7° | 73% | 92.8° (1972) | 72° (2018) |
| 3 | 88.9° | 75.9° | 65% | 93° (2022) | 72.9° (2021) |
| 4 | 88.9° | 76.1° | 82% | 93.2° (1991) | 73.8° (1986) |
| 5 | 88.7° | 75.9° | 72% | 93.6° (1998) | 73.4° (1974) |
| 6 | 88.9° | 76.1° | 67% | 92.7° (2023) | 73.4° (1984) |
| 7 | 88.9° | 75.9° | 75% | 93.7° (2018) | 73.4° (1965) |
| 8 | 88.9° | 76.1° | 73% | 92.1° (1990) | 73.6° (2019) |
| 9 | 89.1° | 75.9° | 78% | 93.4° (2015) | 73.9° (2021) |
| 10 | 88.9° | 76.1° | 77% | 93.4° (2022) | 72.3° (2018) |
| 11 | 89.2° | 75.9° | 62% | 93.2° (2023) | 73.2° (2020) |
| 12 | 89.2° | 76.3° | 67% | 93° (2015) | 73.9° (2017) |
| 13 | 89.1° | 76.1° | 77% | 93° (1991) | 73.8° (1965) |
| 14 | 88.9° | 75.9° | 82% | 94.5° (1995) | 73.4° (2018) |
| 15 | 88.7° | 76.1° | 83% | 93.4° (2022) | 73.8° (1964) |
| 16 | 88.3° | 76.1° | 83% | 95° (2022) | 73.8° (1984) |
| 17 | 88.3° | 75.9° | 78% | 93.4° (2020) | 72.9° (2022) |
| 18 | 88.9° | 75.9° | 78% | 93° (1968) | 74.1° (1984) |
| 19 | 88.9° | 75.9° | 78% | 93.2° (2020) | 72.1° (2018) |
| 20 | 89.1° | 76.1° | 82% | 93.7° (2025) | 73.2° (1969) |
| 21 | 88.9° | 76.1° | 77% | 94.1° (1994) | 72.1° (2022) |
| 22 | 88.3° | 76.1° | 80% | 93.7° (2015) | 71.4° (2022) |
| 23 | 88.7° | 75.9° | 80% | 93° (2023) | 71.8° (2022) |
| 24 | 88.5° | 76.1° | 75% | 94.3° (1976) | 73.6° (2017) |
| 25 | 89.1° | 76.1° | 78% | 93.7° (2019) | 72.5° (2020) |
| 26 | 88.9° | 75.9° | 78% | 95.2° (2019) | 73° (2021) |
| 27 | 89.1° | 75.9° | 78% | 93.4° (2002) | 73.6° (1971) |
| 28 | 88.7° | 75.9° | 92% | 94.3° (2023) | 73.4° (1971) |
| 29 | 89.1° | 76.1° | 73% | 94.5° (2022) | 73.2° (1961) |
| 30 | 88.9° | 76.1° | 75% | 94.1° (2023) | 74.1° (1964) |
| 31 | 88.9° | 75.9° | 83% | 93.4° (2025) | 71.8° (2021) |