| 2025年 | 2026年 | 平年値 | |
| 8-10 | 27.8 | --- | 27.1 |
| 8-11 | 27.6 | --- | 27 |
| 8-12 | 26.4 | --- | 27 |
| 8-13 | 25.7 | --- | 27 |
| 8-14 | 26.8 | --- | 27.3 |
| 8-15 | 27.9 | --- | 27.3 |
| 8-16 | 28.2 | --- | 27.3 |
| 8-17 | 28.3 | --- | 27.8 |
| 8-18 | 27.5 | --- | 27.9 |
| 8-19 | 28.2 | --- | 27.8 |
| 8-20 | 29 | --- | 28 |
| 8-21 | 28.9 | --- | 27.8 |
| 8-22 | 28.8 | --- | 28.4 |
| 8-23 | 28.1 | --- | 27.8 |
| 8-24 | 27.7 | --- | 27.4 |