

| 平年値1976/01〜1997/12 | 大分 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 35 | 5.9 | 16.4 | -2.7 |
| 2 | 64.5 | 6.3 | 17.6 | -2.7 |
| 3 | 130.7 | 9.2 | 20.4 | -0.9 |
| 4 | 128.9 | 14.1 | 25.6 | 2.5 |
| 5 | 152.3 | 18.3 | 27.9 | 8.4 |
| 6 | 282.9 | 22.1 | 31.3 | 13.9 |
| 7 | 251.5 | 26.1 | 34.4 | 19.4 |
| 8 | 184.6 | 26.8 | 34.1 | 20.3 |
| 9 | 234.2 | 23.3 | 32.2 | 14.4 |
| 10 | 124 | 18.0 | 26.7 | 7.4 |
| 11 | 64.4 | 13.1 | 23.3 | 2.4 |
| 12 | 28.6 | 8.2 | 18.4 | -1.2 |
| 1681.6 | 16.0 | 34.4 | -2.7 | |
| 2002年 | 大分 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 61 | 7.7 | 19.6 | -0.8 |
| 2 | 44 | 8.2 | 15.8 | -1.2 |
| 3 | 51 | 12.2 | 22.2 | 0.1 |
| 4 | 172 | 15.7 | 25.3 | 6.2 |
| 5 | 298 | 19.4 | 28.1 | 12.0 |
| 6 | 184 | 23.0 | 31.0 | 16.7 |
| 7 | 336 | 27.2 | 35.5 | 21.1 |
| 8 | 65 | 27.8 | 35.4 | 20.2 |
| 9 | 53 | 24.6 | 33.4 | 14.9 |
| 10 | 68 | 18.4 | 30.3 | 6.4 |
| 11 | 46 | 11.1 | 21.3 | 2.2 |
| 12 | 128 | 9.0 | 18.6 | -1.2 |
| 1503.5 | 17.0 | 35.5 | -1.2 | |
| 平年値1976/01〜1997/12 | 大分 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 35 | 5.9 | 16.4 | -2.7 |
| 2 | 64.5 | 6.3 | 17.6 | -2.7 |
| 3 | 130.7 | 9.2 | 20.4 | -0.9 |
| 4 | 128.9 | 14.1 | 25.6 | 2.5 |
| 5 | 152.3 | 18.3 | 27.9 | 8.4 |
| 6 | 282.9 | 22.1 | 31.3 | 13.9 |
| 7 | 251.5 | 26.1 | 34.4 | 19.4 |
| 8 | 184.6 | 26.8 | 34.1 | 20.3 |
| 9 | 234.2 | 23.3 | 32.2 | 14.4 |
| 10 | 124 | 18.0 | 26.7 | 7.4 |
| 11 | 64.4 | 13.1 | 23.3 | 2.4 |
| 12 | 28.6 | 8.2 | 18.4 | -1.2 |
| 1681.6 | 16.0 | 34.4 | -2.7 | |
| 2003年 | 大分 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 20 | 5.7 | 15.3 | -1.5 |
| 2 | 25 | 7.7 | 14.5 | -1.4 |
| 3 | 115 | 9.4 | 21.8 | 1.4 |
| 4 | 133 | 15.7 | 25.3 | 3.8 |
| 5 | 252 | 19.0 | 27.2 | 8.6 |
| 6 | 242 | 22.2 | 31.8 | 13.2 |
| 7 | 220 | 25.4 | 34.4 | 18.3 |
| 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 |