| 2025年 | 2026年 | 平年値 | |
| 5-29 | 32.9 | 29 | 32.9 |
| 5-30 | 33.2 | 29 | 33 |
| 5-31 | 33.4 | 29.1 | 32.9 |
| 6-1 | 33.3 | 29 | 32.9 |
| 6-2 | 33.5 | 28.8 | 32.8 |
| 6-3 | 33.4 | 27.5 | 32.5 |
| 6-4 | 33.4 | 28.3 | 32.6 |
| 6-5 | 33.5 | 28 | 32.6 |
| 6-6 | 33.5 | 27.9 | 32.6 |
| 6-7 | 33.3 | 28 | 32.7 |
| 6-8 | 33.4 | 27.5 | 32.7 |
| 6-9 | 33.4 | 28 | 32.8 |
| 6-10 | 33.2 | 28.2 | 32.8 |
| 6-11 | 33.1 | 28.1 | 33 |
| 6-12 | 33 | --- | 33 |