| 平年値1976/01〜1997/12 | 阿蘇山 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 85.4 | -1.3 | 10.3 | -9.8 |
| 2 | 126.1 | -1.0 | 10.8 | -9.4 |
| 3 | 242.3 | 3.5 | 14.4 | -6.6 |
| 4 | 251.8 | 8.3 | 19.1 | -2.8 |
| 5 | 282.2 | 12.6 | 21.4 | 3.8 |
| 6 | 638.2 | 16.5 | 23.8 | 9.5 |
| 7 | 690.9 | 19.9 | 26.5 | 14.6 |
| 8 | 366.4 | 20.4 | 26.5 | 15.5 |
| 9 | 279.5 | 16.9 | 24.8 | 8.4 |
| 10 | 128.6 | 11.5 | 20.2 | 1.5 |
| 11 | 100 | 7.3 | 16.1 | -3.5 |
| 12 | 75.3 | 1.6 | 12.1 | -8.2 |
| 3266.7 | 9.7 | 26.5 | -9.8 | |
| 2002年 | 阿蘇山 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 115 | -0.4 | 12.4 | -10.5 |
| 2 | 173 | 1.4 | 11.3 | -7.4 |
| 3 | 163 | 5.2 | 15.2 | -5.1 |
| 4 | 297 | 10.0 | 18.2 | -0.6 |
| 5 | 446 | 14.0 | 20.9 | 7.0 |
| 6 | 448 | 17.1 | 24.8 | 10.9 |
| 7 | 316 | 20.6 | 26.8 | 15.4 |
| 8 | 174 | 20.1 | 27.0 | 11.4 |
| 9 | 82 | 17.4 | 25.8 | 8.8 |
| 10 | 74 | 11.3 | 23.3 | -0.6 |
| 11 | 108 | 3.7 | 13.0 | -4.9 |
| 12 | 140 | 1.5 | 10.8 | -8.5 |
| 2533.5 | 10.2 | 27.0 | -10.5 | |
| 平年値1976/01〜1997/12 | 阿蘇山 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 85.4 | -1.3 | 10.3 | -9.8 |
| 2 | 126.1 | -1.0 | 10.8 | -9.4 |
| 3 | 242.3 | 3.5 | 14.4 | -6.6 |
| 4 | 251.8 | 8.3 | 19.1 | -2.8 |
| 5 | 282.2 | 12.6 | 21.4 | 3.8 |
| 6 | 638.2 | 16.5 | 23.8 | 9.5 |
| 7 | 690.9 | 19.9 | 26.5 | 14.6 |
| 8 | 366.4 | 20.4 | 26.5 | 15.5 |
| 9 | 279.5 | 16.9 | 24.8 | 8.4 |
| 10 | 128.6 | 11.5 | 20.2 | 1.5 |
| 11 | 100 | 7.3 | 16.1 | -3.5 |
| 12 | 75.3 | 1.6 | 12.1 | -8.2 |
| 3266.7 | 9.7 | 26.5 | -9.8 | |
| 2003年 | 阿蘇山 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 128 | -2.8 | 8.3 | -10.7 |
| 2 | 176 | 1.0 | 10.8 | -7.9 |
| 3 | 274 | 2.8 | 15.8 | -6.5 |
| 4 | 457 | 10.3 | 20.5 | -0.4 |
| 5 | 295 | 13.7 | 20.3 | 2.5 |
| 6 | 679 | 16.6 | 24.0 | 9.2 |
| 7 | 1,084 | 19.2 | 25.3 | 13.3 |
| 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 |