| 2025年 | 2026年 | 平年値 | |
| 6-28 | 21 | 21.1 | 21 |
| 6-29 | 21.3 | 21.6 | 21.3 |
| 6-30 | 21.4 | 21.5 | 21.4 |
| 7-1 | 22.1 | 21.6 | 22.1 |
| 7-2 | 21.9 | 21.6 | 21.9 |
| 7-3 | 22 | 22.2 | 22 |
| 7-4 | 22.2 | 22.1 | 22.2 |
| 7-5 | 22.1 | 22.3 | 22.1 |
| 7-6 | 24 | 22 | 24 |
| 7-7 | 24.8 | 22.3 | 24.8 |
| 7-8 | 24.3 | 22.2 | 24.3 |
| 7-9 | 23.3 | 22.2 | 23.3 |
| 7-10 | 23.3 | 22 | 23.3 |
| 7-11 | 23.1 | 22.5 | 23.1 |
| 7-12 | 23 | --- | 23 |