| 2025年 | 2026年 | 平年値 | |
| 6-12 | --- | 21.5 | 20.1 |
| 6-13 | --- | 21.4 | 20.3 |
| 6-14 | --- | 21.7 | 20.6 |
| 6-15 | --- | 21.5 | 20.2 |
| 6-16 | --- | 21.7 | 20.4 |
| 6-17 | --- | 21.6 | 20.7 |
| 6-18 | --- | 21.8 | 21.3 |
| 6-19 | --- | 22.1 | 20.8 |
| 6-20 | --- | 22.3 | 21.3 |
| 6-21 | --- | 22.4 | 20.3 |
| 6-22 | --- | 22.4 | 20.8 |
| 6-23 | --- | 22.1 | 20.9 |
| 6-24 | --- | 21.9 | 20.9 |
| 6-25 | --- | 21.5 | 21.4 |
| 6-26 | --- | --- | 21.1 |