

| 平年値1976/01〜1997/12 | 久留米 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) | 
| 1 | 51.7 | 5.0 | 15.3 | -3.6 | 
| 2 | 77.3 | 5.8 | 17.5 | -3.2 | 
| 3 | 144.3 | 9.3 | 20.6 | -1.2 | 
| 4 | 156.9 | 14.4 | 26.6 | 2.4 | 
| 5 | 196.2 | 18.9 | 30.1 | 8.7 | 
| 6 | 360.2 | 22.8 | 32.2 | 14.5 | 
| 7 | 343.2 | 26.7 | 35.0 | 20.0 | 
| 8 | 212.3 | 27.2 | 35.2 | 20.5 | 
| 9 | 160.8 | 23.4 | 32.9 | 14.5 | 
| 10 | 73.8 | 17.7 | 27.4 | 6.8 | 
| 11 | 72.5 | 12.4 | 23.4 | 1.6 | 
| 12 | 45.2 | 7.1 | 18.1 | -1.7 | 
| 1894.4 | 15.9 | 35.2 | -3.6 | |
| 2002年 | 久留米 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) | 
| 1 | 63 | 6.6 | 18.5 | -1.8 | 
| 2 | 39 | 7.6 | 16.9 | -1.6 | 
| 3 | 148 | 11.7 | 22.0 | -0.1 | 
| 4 | 284 | 16.2 | 26.7 | 5.3 | 
| 5 | 289 | 20.1 | 29.9 | 12.8 | 
| 6 | 117 | 24.2 | 34.3 | 16.8 | 
| 7 | 217 | 27.9 | 35.3 | 21.3 | 
| 8 | 68 | 27.8 | 35.0 | 19.6 | 
| 9 | 179 | 24.6 | 34.9 | 14.2 | 
| 10 | 88 | 17.7 | 28.5 | 5.3 | 
| 11 | 59 | 10.0 | 20.1 | 0.2 | 
| 12 | 63 | 7.9 | 16.8 | -1.4 | 
| 1611.5 | 16.9 | 35.3 | -1.8 | |
| 平年値1976/01〜1997/12 | 久留米 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) | 
| 1 | 51.7 | 5.0 | 15.3 | -3.6 | 
| 2 | 77.3 | 5.8 | 17.5 | -3.2 | 
| 3 | 144.3 | 9.3 | 20.6 | -1.2 | 
| 4 | 156.9 | 14.4 | 26.6 | 2.4 | 
| 5 | 196.2 | 18.9 | 30.1 | 8.7 | 
| 6 | 360.2 | 22.8 | 32.2 | 14.5 | 
| 7 | 343.2 | 26.7 | 35.0 | 20.0 | 
| 8 | 212.3 | 27.2 | 35.2 | 20.5 | 
| 9 | 160.8 | 23.4 | 32.9 | 14.5 | 
| 10 | 73.8 | 17.7 | 27.4 | 6.8 | 
| 11 | 72.5 | 12.4 | 23.4 | 1.6 | 
| 12 | 45.2 | 7.1 | 18.1 | -1.7 | 
| 1894.4 | 15.9 | 35.2 | -3.6 | |
| 2003年 | 久留米 | |||
| 月 | 降水量(mm) | 平均気温(℃) | 最高気温(℃) | 最低気温(℃) | 
| 1 | 63 | 4.4 | 13.6 | -2.2 | 
| 2 | 82 | 7.5 | 16.6 | -0.8 | 
| 3 | 112 | 9.4 | 21.8 | 0.8 | 
| 4 | 271 | 16.0 | 26.3 | 3.5 | 
| 5 | 143 | 20.7 | 31.3 | 9.7 | 
| 6 | 256 | 23.2 | 31.4 | 15.3 | 
| 7 | 426 | 25.5 | 32.5 | 19.5 | 
| 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 |