| 2025年 | 2026年 | 平年値 | |
| 8-11 | --- | 28 | 25 |
| 8-12 | --- | 27.4 | 25.2 |
| 8-13 | --- | 27.4 | 26.5 |
| 8-14 | --- | 27.3 | 26.5 |
| 8-15 | --- | 27.5 | 26.5 |
| 8-16 | --- | 27.4 | 26.2 |
| 8-17 | --- | 27.1 | 26 |
| 8-18 | --- | 27.7 | 26.4 |
| 8-19 | --- | 28.1 | 26.3 |
| 8-20 | --- | 28.3 | 26.2 |
| 8-21 | --- | 28.2 | 26.4 |
| 8-22 | --- | --- | 26.4 |
| 8-23 | --- | --- | 26.4 |
| 8-24 | --- | 28.1 | 26.1 |
| 8-25 | --- | --- | 26.2 |