

| 平年値1976/01〜1997/12 | 水俣 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 72 | 6.6 | 17.5 | -2.3 |
| 2 | 82.7 | 7.2 | 19.1 | -2.2 |
| 3 | 157.9 | 10.5 | 22.0 | -0.3 |
| 4 | 154.5 | 15.0 | 25.7 | 3.1 |
| 5 | 186.6 | 19.0 | 28.4 | 8.9 |
| 6 | 401.6 | 22.7 | 30.8 | 14.4 |
| 7 | 418.8 | 26.4 | 33.5 | 19.6 |
| 8 | 209.9 | 26.8 | 33.9 | 20.2 |
| 9 | 205.4 | 23.7 | 32.1 | 14.4 |
| 10 | 83.3 | 18.4 | 28.1 | 7.1 |
| 11 | 71.3 | 13.6 | 24.3 | 2.5 |
| 12 | 59.3 | 8.7 | 19.9 | -0.8 |
| 2103.3 | 16.6 | 33.9 | -2.3 | |
| 2002年 | 水俣 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 73 | 8.2 | 20.5 | -0.1 |
| 2 | 57 | 8.1 | 18.6 | -1.4 |
| 3 | 103 | 12.1 | 22.9 | 0.6 |
| 4 | 183 | 16.5 | 26.4 | 5.5 |
| 5 | 185 | 20.1 | 26.8 | 12.0 |
| 6 | 429 | 23.0 | 31.8 | 15.3 |
| 7 | 175 | 27.1 | 33.1 | 20.8 |
| 8 | 219 | 27.0 | 33.7 | 18.5 |
| 9 | 88 | 24.2 | 33.6 | 12.8 |
| 10 | 99 | 18.0 | 28.2 | 7.4 |
| 11 | 133 | 11.0 | 23.1 | 1.7 |
| 12 | 149 | 9.3 | 18.6 | -1.7 |
| 1888.0 | 17.1 | 33.7 | -1.7 | |
| 平年値1976/01〜1997/12 | 水俣 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 72 | 6.6 | 17.5 | -2.3 |
| 2 | 82.7 | 7.2 | 19.1 | -2.2 |
| 3 | 157.9 | 10.5 | 22.0 | -0.3 |
| 4 | 154.5 | 15.0 | 25.7 | 3.1 |
| 5 | 186.6 | 19.0 | 28.4 | 8.9 |
| 6 | 401.6 | 22.7 | 30.8 | 14.4 |
| 7 | 418.8 | 26.4 | 33.5 | 19.6 |
| 8 | 209.9 | 26.8 | 33.9 | 20.2 |
| 9 | 205.4 | 23.7 | 32.1 | 14.4 |
| 10 | 83.3 | 18.4 | 28.1 | 7.1 |
| 11 | 71.3 | 13.6 | 24.3 | 2.5 |
| 12 | 59.3 | 8.7 | 19.9 | -0.8 |
| 2103.3 | 16.6 | 33.9 | -2.3 | |
| 2003年 | 水俣 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 68 | 6.0 | 15.0 | -1.8 |
| 2 | 74 | 8.2 | 17.3 | -1.0 |
| 3 | 157 | 10.1 | 21.1 | -0.3 |
| 4 | 197 | 16.6 | 27.5 | 3.4 |
| 5 | 119 | 20.2 | 28.4 | 9.2 |
| 6 | 531 | 22.5 | 30.5 | 13.8 |
| 7 | 367 | 26.4 | 32.5 | 19.4 |
| 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 |