平年値（旬ごとの値）
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下妻（茨城県) 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 | 6.6 | 3.2 | 9.5 | -2.4 | 2.2 | 65.8 | /// | /// |
| 中旬 | 14.3 | 2.8 | 8.7 | -2.5 | 2.1 | 62.8 | /// | /// | |
| 下旬 | 18.5 | 3.0 | 8.8 | -2.4 | 2.3 | 70.8 | /// | /// | |
| 2月 | 上旬 | 8.5 | 3.2 | 9.1 | -2.3 | 2.4 | 67.1 | /// | /// |
| 中旬 | 17.5 | 4.0 | 9.9 | -1.5 | 2.4 | 64.2 | /// | /// | |
| 下旬 | 13.5 | 5.1 | 10.9 | -0.4 | 2.5 | 53.3 | /// | /// | |
| 3月 | 上旬 | 30.2 | 6.2 | 11.8 | 0.9 | 2.4 | 57.0 | /// | /// |
| 中旬 | 17.7 | 7.7 | 13.7 | 1.8 | 2.6 | 64.8 | /// | /// | |
| 下旬 | 32.3 | 8.9 | 14.6 | 3.2 | 2.5 | 64.5 | /// | /// | |
| 4月 | 上旬 | 36.8 | 11.0 | 17.0 | 5.1 | 2.6 | 63.4 | /// | /// |
| 中旬 | 31.9 | 12.9 | 18.9 | 7.3 | 2.7 | 58.0 | /// | /// | |
| 下旬 | 32.6 | 14.7 | 20.4 | 9.4 | 2.6 | 60.7 | /// | /// | |
| 5月 | 上旬 | 29.8 | 16.7 | 21.9 | 11.9 | 2.6 | 57.6 | /// | /// |
| 中旬 | 45.6 | 17.5 | 22.4 | 13.2 | 2.4 | 55.1 | /// | /// | |
| 下旬 | 47.5 | 19.2 | 24.3 | 14.9 | 2.5 | 64.2 | /// | /// | |
| 6月 | 上旬 | 32.3 | 20.0 | 24.7 | 16.0 | 2.3 | 53.1 | /// | /// |
| 中旬 | 44.4 | 21.1 | 25.4 | 17.6 | 2.2 | 39.5 | /// | /// | |
| 下旬 | 44.6 | 22.1 | 26.3 | 18.9 | 2.0 | 30.4 | /// | /// | |
| 7月 | 上旬 | 61.8 | 23.7 | 28.1 | 20.3 | 2.1 | 39.8 | /// | /// |
| 中旬 | 44.1 | 24.7 | 29.2 | 21.3 | 2.0 | 45.3 | /// | /// | |
| 下旬 | 38.3 | 25.6 | 30.3 | 22.2 | 2.1 | 56.6 | /// | /// | |
| 8月 | 上旬 | 27.5 | 26.4 | 31.5 | 22.8 | 2.1 | 63.1 | /// | /// |
| 中旬 | 39.1 | 25.9 | 30.7 | 22.5 | 2.0 | 56.4 | /// | /// | |
| 下旬 | 57.3 | 25.2 | 30.0 | 21.7 | 1.9 | 55.6 | /// | /// | |
| 9月 | 上旬 | 49.5 | 24.4 | 29.3 | 20.8 | 2.0 | 48.2 | /// | /// |
| 中旬 | 63.9 | 22.7 | 27.6 | 18.9 | 2.0 | 44.5 | /// | /// | |
| 下旬 | 58.5 | 20.1 | 24.8 | 16.2 | 2.0 | 40.5 | /// | /// | |
| 10月 | 上旬 | 73.1 | 18.8 | 23.4 | 15.0 | 1.9 | 39.5 | /// | /// |
| 中旬 | 53.0 | 16.8 | 21.8 | 12.7 | 1.7 | 43.5 | /// | /// | |
| 下旬 | 49.9 | 14.7 | 19.9 | 10.0 | 1.7 | 54.2 | /// | /// | |
| 11月 | 上旬 | 21.7 | 12.5 | 18.2 | 7.5 | 1.5 | 52.9 | /// | /// |
| 中旬 | 26.8 | 10.4 | 16.0 | 5.4 | 1.6 | 49.5 | /// | /// | |
| 下旬 | 21.9 | 8.6 | 14.4 | 3.4 | 1.6 | 51.8 | /// | /// | |
| 12月 | 上旬 | 16.3 | 6.7 | 12.5 | 1.6 | 1.7 | 51.9 | /// | /// |
| 中旬 | 10.0 | 5.1 | 11.1 | -0.3 | 1.9 | 58.9 | /// | /// | |
| 下旬 | 15.3 | 4.0 | 10.2 | -1.4 | 2.1 | 68.5 | /// | /// | |