平年値（旬ごとの値）
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秋吉台（山口県) 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 | 25.7 | 3.5 | 7.9 | -0.9 | 2.2 | 33.9 | /// | /// |
| 中旬 | 30.1 | 3.1 | 7.4 | -1.2 | 2.3 | 32.1 | /// | /// | |
| 下旬 | 39.7 | 2.6 | 6.8 | -1.7 | 2.4 | 36.7 | /// | /// | |
| 2月 | 上旬 | 24.3 | 2.9 | 7.4 | -1.5 | 2.3 | 34.4 | /// | /// |
| 中旬 | 33.4 | 3.9 | 8.7 | -0.8 | 2.6 | 41.3 | /// | /// | |
| 下旬 | 33.6 | 5.3 | 10.1 | 0.6 | 2.7 | 36.7 | /// | /// | |
| 3月 | 上旬 | 51.9 | 6.0 | 10.6 | 1.7 | 2.8 | 44.9 | /// | /// |
| 中旬 | 44.2 | 7.4 | 12.6 | 2.7 | 3.0 | 52.6 | /// | /// | |
| 下旬 | 52.6 | 8.6 | 13.6 | 4.2 | 2.7 | 58.6 | /// | /// | |
| 4月 | 上旬 | 52.7 | 10.8 | 16.2 | 6.0 | 2.8 | 57.8 | /// | /// |
| 中旬 | 53.3 | 12.5 | 17.9 | 7.8 | 2.7 | 59.6 | /// | /// | |
| 下旬 | 53.6 | 14.1 | 19.6 | 9.1 | 2.4 | 63.3 | /// | /// | |
| 5月 | 上旬 | 62.4 | 16.0 | 21.6 | 11.2 | 2.5 | 65.0 | /// | /// |
| 中旬 | 68.9 | 16.7 | 22.2 | 11.6 | 2.3 | 67.5 | /// | /// | |
| 下旬 | 56.1 | 18.0 | 23.4 | 13.1 | 2.2 | 71.8 | /// | /// | |
| 6月 | 上旬 | 45.1 | 19.2 | 24.5 | 14.8 | 2.0 | 56.0 | /// | /// |
| 中旬 | 89.2 | 20.4 | 25.1 | 16.4 | 2.0 | 47.5 | /// | /// | |
| 下旬 | 148.8 | 21.4 | 25.4 | 18.2 | 1.8 | 29.5 | /// | /// | |
| 7月 | 上旬 | 155.8 | 22.9 | 27.0 | 19.9 | 1.8 | 32.2 | /// | /// |
| 中旬 | 109.7 | 24.2 | 28.6 | 20.9 | 1.9 | 46.6 | /// | /// | |
| 下旬 | 78.5 | 25.3 | 30.1 | 21.8 | 1.8 | 64.4 | /// | /// | |
| 8月 | 上旬 | 47.2 | 25.8 | 30.8 | 22.1 | 1.9 | 67.3 | /// | /// |
| 中旬 | 68.8 | 25.3 | 30.0 | 22.0 | 1.9 | 57.6 | /// | /// | |
| 下旬 | 88.4 | 24.4 | 29.1 | 21.0 | 2.0 | 59.0 | /// | /// | |
| 9月 | 上旬 | 66.6 | 23.1 | 27.7 | 19.7 | 2.6 | 53.2 | /// | /// |
| 中旬 | 61.5 | 21.5 | 26.2 | 17.9 | 2.7 | 51.6 | /// | /// | |
| 下旬 | 65.3 | 19.3 | 24.0 | 15.5 | 2.8 | 51.8 | /// | /// | |
| 10月 | 上旬 | 40.7 | 17.8 | 22.7 | 13.7 | 2.8 | 53.2 | /// | /// |
| 中旬 | 31.5 | 15.9 | 21.1 | 11.3 | 2.8 | 57.9 | /// | /// | |
| 下旬 | 34.0 | 13.8 | 19.0 | 9.2 | 2.4 | 59.5 | /// | /// | |
| 11月 | 上旬 | 31.3 | 12.2 | 17.5 | 7.5 | 2.2 | 52.2 | /// | /// |
| 中旬 | 33.3 | 10.3 | 15.1 | 5.6 | 2.2 | 42.3 | /// | /// | |
| 下旬 | 26.7 | 8.5 | 13.5 | 3.7 | 2.2 | 43.6 | /// | /// | |
| 12月 | 上旬 | 33.0 | 6.4 | 11.2 | 1.9 | 2.1 | 37.1 | /// | /// |
| 中旬 | 23.1 | 4.9 | 9.4 | 0.7 | 2.2 | 33.0 | /// | /// | |
| 下旬 | 27.9 | 4.3 | 8.9 | -0.2 | 2.2 | 39.0 | /// | /// | |