

| 平年値1976/01〜1997/12 | 佐世保 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 59.1 | 6.1 | 15.9 | -1.7 |
| 2 | 87.4 | 6.8 | 17.3 | -1.8 |
| 3 | 141 | 10.0 | 19.7 | 0.4 |
| 4 | 159.6 | 14.7 | 24.5 | 4.0 |
| 5 | 191 | 18.8 | 28.1 | 9.8 |
| 6 | 340.8 | 22.4 | 29.9 | 15.0 |
| 7 | 332.5 | 26.4 | 33.6 | 19.9 |
| 8 | 242 | 27.3 | 34.3 | 21.3 |
| 9 | 206.5 | 23.8 | 31.8 | 15.6 |
| 10 | 74 | 18.7 | 27.3 | 8.3 |
| 11 | 85.5 | 13.5 | 23.1 | 3.6 |
| 12 | 57.6 | 8.6 | 18.5 | 0.1 |
| 1977.0 | 16.4 | 34.3 | -1.8 | |
| 2002年 | 佐世保 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 81 | 7.9 | 19.5 | 1.0 |
| 2 | 30 | 8.2 | 15.2 | -0.7 |
| 3 | 137 | 12.2 | 20.8 | 3.0 |
| 4 | 345 | 16.4 | 24.6 | 6.5 |
| 5 | 204 | 19.9 | 27.3 | 14.2 |
| 6 | 93 | 23.5 | 32.3 | 17.9 |
| 7 | 249 | 27.4 | 35.8 | 21.9 |
| 8 | 196 | 27.4 | 34.8 | 20.8 |
| 9 | 117 | 24.8 | 33.8 | 15.8 |
| 10 | 154 | 18.7 | 28.5 | 7.4 |
| 11 | 57 | 11.7 | 22.1 | 2.7 |
| 12 | 85 | 9.6 | 18.6 | 0.6 |
| 1744.5 | 17.3 | 35.8 | -0.7 | |
| 平年値1976/01〜1997/12 | 佐世保 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 59.1 | 6.1 | 15.9 | -1.7 |
| 2 | 87.4 | 6.8 | 17.3 | -1.8 |
| 3 | 141 | 10.0 | 19.7 | 0.4 |
| 4 | 159.6 | 14.7 | 24.5 | 4.0 |
| 5 | 191 | 18.8 | 28.1 | 9.8 |
| 6 | 340.8 | 22.4 | 29.9 | 15.0 |
| 7 | 332.5 | 26.4 | 33.6 | 19.9 |
| 8 | 242 | 27.3 | 34.3 | 21.3 |
| 9 | 206.5 | 23.8 | 31.8 | 15.6 |
| 10 | 74 | 18.7 | 27.3 | 8.3 |
| 11 | 85.5 | 13.5 | 23.1 | 3.6 |
| 12 | 57.6 | 8.6 | 18.5 | 0.1 |
| 1977.0 | 16.4 | 34.3 | -1.8 | |
| 2003年 | 佐世保 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) |
| 1 | 83 | 6.0 | 14.0 | -1.2 |
| 2 | 94 | 8.6 | 16.5 | 1.8 |
| 3 | 112 | 10.1 | 20.1 | 3.4 |
| 4 | 186 | 16.2 | 25.0 | 5.4 |
| 5 | 144 | 20.3 | 30.1 | 11.3 |
| 6 | 282 | 22.8 | 30.3 | 15.2 |
| 7 | 525 | 25.6 | 31.2 | 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 |