平年値（旬ごとの値）
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白石（宮城県) 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 | 1991～ 2020 | 1991～ 2020 | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
| 1月 | 上旬 | 15.8 | 1.6 | 5.6 | -2.1 | 3.1 | 43.5 | 13 | 6 |
| 中旬 | 14.7 | 1.0 | 5.0 | -2.9 | 2.8 | 46.9 | 10 | 5 | |
| 下旬 | 20.3 | 0.9 | 4.9 | -3.0 | 3.0 | 52.3 | 19 | 10 | |
| 2月 | 上旬 | 9.1 | 1.1 | 5.4 | -2.9 | 3.1 | 53.1 | 14 | 8 |
| 中旬 | 17.3 | 1.6 | 6.0 | -2.4 | 3.1 | 53.8 | 12 | 7 | |
| 下旬 | 10.2 | 2.4 | 7.3 | -2.3 | 2.9 | 47.8 | 6 | 3 | |
| 3月 | 上旬 | 25.9 | 3.3 | 8.1 | -1.3 | 3.0 | 53.1 | 10 | 6 |
| 中旬 | 19.8 | 4.8 | 10.3 | -0.4 | 3.2 | 59.2 | 4 | 3 | |
| 下旬 | 25.8 | 6.0 | 11.4 | 0.7 | 3.1 | 66.8 | 3 | 2 | |
| 4月 | 上旬 | 25.3 | 8.3 | 13.9 | 2.9 | 3.1 | 65.4 | 1 | 1 |
| 中旬 | 35.1 | 10.1 | 15.8 | 4.5 | 3.0 | 60.2 | 0 | 0 | |
| 下旬 | 35.6 | 12.3 | 18.3 | 6.5 | 2.8 | 68.0 | 0 | 0 | |
| 5月 | 上旬 | 26.4 | 14.3 | 20.0 | 8.9 | 2.7 | 62.9 | 0 | 0 |
| 中旬 | 35.4 | 15.1 | 20.3 | 10.2 | 2.5 | 60.6 | 0 | 0 | |
| 下旬 | 37.5 | 17.1 | 22.5 | 12.2 | 2.2 | 71.7 | 0 | 0 | |
| 6月 | 上旬 | 30.9 | 17.9 | 23.0 | 13.4 | 2.0 | 59.7 | 0 | 0 |
| 中旬 | 50.1 | 19.0 | 23.5 | 15.1 | 1.8 | 43.5 | 0 | 0 | |
| 下旬 | 65.5 | 20.0 | 24.3 | 16.5 | 1.7 | 38.0 | 0 | 0 | |
| 7月 | 上旬 | 62.2 | 21.5 | 25.7 | 18.1 | 1.7 | 36.6 | 0 | 0 |
| 中旬 | 70.7 | 22.3 | 26.5 | 18.9 | 1.6 | 37.6 | 0 | 0 | |
| 下旬 | 55.3 | 23.6 | 28.1 | 20.1 | 1.6 | 49.1 | 0 | 0 | |
| 8月 | 上旬 | 45.7 | 24.5 | 29.3 | 20.8 | 1.6 | 53.8 | 0 | 0 |
| 中旬 | 59.8 | 23.8 | 28.3 | 20.3 | 1.6 | 42.1 | 0 | 0 | |
| 下旬 | 80.6 | 23.0 | 27.5 | 19.5 | 1.5 | 44.7 | 0 | 0 | |
| 9月 | 上旬 | 64.1 | 22.1 | 26.7 | 18.5 | 1.5 | 40.7 | 0 | 0 |
| 中旬 | 65.5 | 20.2 | 24.9 | 16.3 | 1.6 | 40.9 | 0 | 0 | |
| 下旬 | 63.3 | 17.8 | 22.7 | 13.6 | 1.7 | 40.7 | 0 | 0 | |
| 10月 | 上旬 | 52.6 | 16.6 | 21.5 | 12.3 | 1.9 | 40.5 | 0 | 0 |
| 中旬 | 46.4 | 14.5 | 19.9 | 9.9 | 1.8 | 47.5 | 0 | 0 | |
| 下旬 | 47.6 | 12.5 | 17.8 | 7.7 | 2.1 | 54.4 | 0 | 0 | |
| 11月 | 上旬 | 17.6 | 10.6 | 16.2 | 5.4 | 2.3 | 53.1 | 0 | 0 |
| 中旬 | 22.0 | 8.6 | 13.8 | 3.6 | 2.4 | 46.5 | 0 | 0 | |
| 下旬 | 20.1 | 6.7 | 11.8 | 1.8 | 2.4 | 47.3 | 0 | 0 | |
| 12月 | 上旬 | 15.9 | 4.9 | 9.8 | 0.5 | 2.6 | 44.7 | 1 | 1 |
| 中旬 | 15.5 | 3.3 | 7.7 | -0.8 | 2.7 | 41.8 | 5 | 3 | |
| 下旬 | 18.8 | 2.6 | 6.8 | -1.5 | 2.9 | 48.9 | 9 | 5 | |