

| 平年値1976/01〜1997/12 | 阿蘇乙姫 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 81.1 | 1.7 | 13.5 | -8.5 |
| 2 | 111.8 | 2.5 | 15.5 | -8.0 |
| 3 | 222.1 | 6.1 | 18.6 | -5.1 |
| 4 | 206.7 | 11.3 | 23.3 | -1.9 |
| 5 | 245.4 | 15.8 | 26.4 | 3.7 |
| 6 | 555.9 | 19.7 | 28.3 | 9.4 |
| 7 | 617.4 | 23.3 | 30.9 | 15.9 |
| 8 | 286.7 | 23.5 | 30.8 | 15.7 |
| 9 | 213.5 | 19.9 | 29.1 | 9.2 |
| 10 | 99.3 | 14.0 | 24.5 | 1.0 |
| 11 | 83.2 | 8.8 | 20.5 | -3.2 |
| 12 | 64.6 | 3.6 | 16.1 | -6.6 |
| 2787.7 | 12.5 | 30.9 | -8.5 | |
| 2002年 | 阿蘇乙姫 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 88 | 3.7 | 17.4 | -5.6 |
| 2 | 162 | 4.5 | 14.5 | -6.5 |
| 3 | 162 | 8.7 | 19.9 | -4.7 |
| 4 | 288 | 13.3 | 24.1 | -0.2 |
| 5 | 455 | 17.5 | 25.9 | 6.8 |
| 6 | 431 | 20.3 | 29.6 | 11.7 |
| 7 | 277 | 24.6 | 32.2 | 16.9 |
| 8 | 158 | 24.0 | 31.8 | 13.2 |
| 9 | 76 | 20.7 | 30.5 | 6.9 |
| 10 | 54 | 13.8 | 27.1 | 0.1 |
| 11 | 126 | 6.5 | 18.5 | -4.2 |
| 12 | 154 | 4.7 | 15.0 | -7.3 |
| 2427.5 | 13.5 | 32.2 | -7.3 | |
| 平年値1976/01〜1997/12 | 阿蘇乙姫 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 81.1 | 1.7 | 13.5 | -8.5 |
| 2 | 111.8 | 2.5 | 15.5 | -8.0 |
| 3 | 222.1 | 6.1 | 18.6 | -5.1 |
| 4 | 206.7 | 11.3 | 23.3 | -1.9 |
| 5 | 245.4 | 15.8 | 26.4 | 3.7 |
| 6 | 555.9 | 19.7 | 28.3 | 9.4 |
| 7 | 617.4 | 23.3 | 30.9 | 15.9 |
| 8 | 286.7 | 23.5 | 30.8 | 15.7 |
| 9 | 213.5 | 19.9 | 29.1 | 9.2 |
| 10 | 99.3 | 14.0 | 24.5 | 1.0 |
| 11 | 83.2 | 8.8 | 20.5 | -3.2 |
| 12 | 64.6 | 3.6 | 16.1 | -6.6 |
| 2787.7 | 12.5 | 30.9 | -8.5 | |
| 2003年 | 阿蘇乙姫 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 103 | 1.2 | 11.4 | -7.1 |
| 2 | 153 | 4.5 | 15.5 | -7.1 |
| 3 | 245 | 6.5 | 20.4 | -3.4 |
| 4 | 439 | 13.5 | 24.8 | -1.7 |
| 5 | 279 | 17.3 | 26.8 | 4.4 |
| 6 | 471 | 20.0 | 27.2 | 8.0 |
| 7 | 525 | 23.0 | 30.3 | 14.6 |
| 8 | 0 | 0.0 | 0.0 | 0.0 |
| 9 | 0 | 0.0 | 0.0 | 0.0 |
| 10 | 0 | 0.0 | 0.0 | 0.0 |
| 11 | 0 | 0.0 | 0.0 | 0.0 |
| 12 | 0 | 0.0 | 0.0 | 0.0 |