

| 平年値1976/01〜1997/12 | 延岡 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 47 | 6.3 | 18.6 | -4.1 |
| 2 | 76 | 7.2 | 20.7 | -3.2 |
| 3 | 185.2 | 10.5 | 21.8 | -1.0 |
| 4 | 223.9 | 15.0 | 25.6 | 2.8 |
| 5 | 226.1 | 18.7 | 28.1 | 8.6 |
| 6 | 369.4 | 22.2 | 31.1 | 14.2 |
| 7 | 266.6 | 25.8 | 33.9 | 19.4 |
| 8 | 269.4 | 26.4 | 33.9 | 20.0 |
| 9 | 306.5 | 23.3 | 32.3 | 14.1 |
| 10 | 170.4 | 18.2 | 28.0 | 6.7 |
| 11 | 91.4 | 13.4 | 24.5 | 1.5 |
| 12 | 39.5 | 8.4 | 20.0 | -2.6 |
| 2271.4 | 16.3 | 33.9 | -4.1 | |
| 2002年 | 延岡 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 84 | 8.0 | 22.8 | -1.6 |
| 2 | 17 | 8.6 | 19.3 | -1.4 |
| 3 | 94 | 12.5 | 22.4 | 0.1 |
| 4 | 145 | 16.2 | 23.7 | 6.2 |
| 5 | 253 | 19.9 | 27.0 | 12.2 |
| 6 | 349 | 22.8 | 33.4 | 16.5 |
| 7 | 336 | 26.8 | 34.2 | 21.0 |
| 8 | 121 | 27.0 | 34.2 | 17.0 |
| 9 | 124 | 24.0 | 31.8 | 12.8 |
| 10 | 74 | 18.0 | 29.6 | 6.6 |
| 11 | 32 | 11.0 | 21.9 | 0.7 |
| 12 | 161 | 9.3 | 20.9 | -1.5 |
| 1787.0 | 17.0 | 34.2 | -1.6 | |
| 平年値1976/01〜1997/12 | 延岡 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 47 | 6.3 | 18.6 | -4.1 |
| 2 | 76 | 7.2 | 20.7 | -3.2 |
| 3 | 185.2 | 10.5 | 21.8 | -1.0 |
| 4 | 223.9 | 15.0 | 25.6 | 2.8 |
| 5 | 226.1 | 18.7 | 28.1 | 8.6 |
| 6 | 369.4 | 22.2 | 31.1 | 14.2 |
| 7 | 266.6 | 25.8 | 33.9 | 19.4 |
| 8 | 269.4 | 26.4 | 33.9 | 20.0 |
| 9 | 306.5 | 23.3 | 32.3 | 14.1 |
| 10 | 170.4 | 18.2 | 28.0 | 6.7 |
| 11 | 91.4 | 13.4 | 24.5 | 1.5 |
| 12 | 39.5 | 8.4 | 20.0 | -2.6 |
| 2271.4 | 16.3 | 33.9 | -4.1 | |
| 2003年 | 延岡 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 27 | 5.7 | 16.8 | -3.2 |
| 2 | 34 | 8.4 | 20.0 | -1.1 |
| 3 | 157 | 10.3 | 20.5 | -0.5 |
| 4 | 316 | 16.5 | 27.2 | 2.3 |
| 5 | 830 | 19.7 | 26.7 | 9.1 |
| 6 | 590 | 22.0 | 30.9 | 13.3 |
| 7 | 85 | 25.5 | 33.9 | 20.4 |
| 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 |