平年値（旬ごとの値）
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大牟田（福岡県) 平年値（旬ごとの値）
| 要素 | 降水量 (mm) | 平均気温 (℃) | 日最高気温 (℃) | 日最低気温 (℃) | 平均風速 (m/s) | 日照時間 (h) | 降雪の深さ合計 (cm) | 最深積雪 (cm) | |
|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | /// | /// | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 0 | 0 | |
| 1月 | 上旬 | 12.6 | 5.9 | 10.4 | 1.4 | 1.8 | 46.1 | /// | /// |
| 中旬 | 20.5 | 5.6 | 9.9 | 1.3 | 1.8 | 43.8 | /// | /// | |
| 下旬 | 19.9 | 5.2 | 9.7 | 0.9 | 1.9 | 50.9 | /// | /// | |
| 2月 | 上旬 | 19.5 | 5.6 | 10.2 | 1.0 | 1.9 | 51.6 | /// | /// |
| 中旬 | 27.7 | 6.7 | 11.4 | 1.9 | 2.0 | 53.1 | /// | /// | |
| 下旬 | 27.1 | 8.1 | 13.2 | 3.0 | 1.9 | 45.7 | /// | /// | |
| 3月 | 上旬 | 34.2 | 8.7 | 13.4 | 3.8 | 2.1 | 54.5 | /// | /// |
| 中旬 | 40.1 | 10.1 | 15.3 | 4.8 | 2.2 | 57.9 | /// | /// | |
| 下旬 | 44.8 | 11.3 | 16.3 | 6.4 | 2.0 | 62.3 | /// | /// | |
| 4月 | 上旬 | 46.1 | 13.4 | 18.8 | 8.1 | 2.1 | 61.9 | /// | /// |
| 中旬 | 41.0 | 14.9 | 20.3 | 9.7 | 2.0 | 63.7 | /// | /// | |
| 下旬 | 52.0 | 16.4 | 21.8 | 11.0 | 1.9 | 63.2 | /// | /// | |
| 5月 | 上旬 | 57.9 | 18.5 | 23.8 | 13.5 | 1.9 | 64.0 | /// | /// |
| 中旬 | 65.8 | 19.3 | 24.7 | 14.2 | 1.8 | 64.6 | /// | /// | |
| 下旬 | 45.1 | 20.7 | 26.0 | 15.8 | 1.7 | 70.4 | /// | /// | |
| 6月 | 上旬 | 49.0 | 22.1 | 27.1 | 17.6 | 1.6 | 55.9 | /// | /// |
| 中旬 | 123.5 | 23.0 | 27.3 | 19.4 | 1.8 | 46.4 | /// | /// | |
| 下旬 | 194.4 | 23.8 | 27.5 | 21.0 | 2.0 | 30.1 | /// | /// | |
| 7月 | 上旬 | 195.5 | 25.5 | 29.2 | 22.6 | 2.1 | 44.5 | /// | /// |
| 中旬 | 125.6 | 26.8 | 31.0 | 23.5 | 2.0 | 58.5 | /// | /// | |
| 下旬 | 73.5 | 27.9 | 32.5 | 24.3 | 1.9 | 84.9 | /// | /// | |
| 8月 | 上旬 | 53.1 | 28.4 | 33.2 | 24.6 | 1.9 | 76.4 | /// | /// |
| 中旬 | 73.8 | 27.9 | 32.4 | 24.4 | 1.9 | 68.8 | /// | /// | |
| 下旬 | 85.6 | 27.0 | 31.6 | 23.3 | 1.9 | 71.9 | /// | /// | |
| 9月 | 上旬 | 73.4 | 25.8 | 30.5 | 22.1 | 1.9 | 64.8 | /// | /// |
| 中旬 | 46.8 | 24.4 | 29.3 | 20.4 | 1.9 | 63.6 | /// | /// | |
| 下旬 | 50.9 | 22.4 | 27.2 | 18.2 | 1.8 | 56.6 | /// | /// | |
| 10月 | 上旬 | 26.1 | 20.8 | 25.8 | 16.3 | 1.9 | 60.6 | /// | /// |
| 中旬 | 27.0 | 18.8 | 24.3 | 13.9 | 1.8 | 65.4 | /// | /// | |
| 下旬 | 30.2 | 16.7 | 21.9 | 11.8 | 1.6 | 66.0 | /// | /// | |
| 11月 | 上旬 | 31.9 | 14.9 | 20.2 | 10.1 | 1.6 | 57.4 | /// | /// |
| 中旬 | 27.9 | 12.8 | 17.8 | 8.0 | 1.7 | 49.3 | /// | /// | |
| 下旬 | 25.5 | 10.9 | 15.9 | 6.1 | 1.6 | 49.7 | /// | /// | |
| 12月 | 上旬 | 26.6 | 8.9 | 13.8 | 4.2 | 1.8 | 47.4 | /// | /// |
| 中旬 | 14.2 | 7.3 | 11.8 | 2.8 | 1.8 | 44.8 | /// | /// | |
| 下旬 | 17.9 | 6.6 | 11.3 | 2.0 | 1.9 | 50.9 | /// | /// | |