平年値（旬ごとの値）
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狩川（山形県) 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 | 75.9 | 1.2 | 3.7 | -1.1 | 4.6 | 6.9 | 58 | 32 |
| 中旬 | 52.3 | 0.4 | 2.8 | -2.2 | 4.2 | 8.8 | 62 | 46 | |
| 下旬 | 62.8 | 0.3 | 2.7 | -2.1 | 4.5 | 10.3 | 90 | 57 | |
| 2月 | 上旬 | 50.4 | 0.2 | 2.8 | -2.4 | 4.4 | 11.7 | 72 | 67 |
| 中旬 | 44.2 | 0.6 | 3.3 | -2.0 | 4.5 | 14.3 | 58 | 64 | |
| 下旬 | 30.7 | 1.6 | 4.9 | -1.5 | 4.2 | 21.2 | 35 | 53 | |
| 3月 | 上旬 | 39.0 | 2.5 | 6.0 | -0.7 | 4.3 | 25.1 | 31 | 40 |
| 中旬 | 42.2 | 3.7 | 7.8 | 0.1 | 4.2 | 31.4 | 24 | 28 | |
| 下旬 | 39.6 | 5.1 | 9.5 | 1.1 | 4.2 | 42.5 | 15 | 14 | |
| 4月 | 上旬 | 34.9 | 7.4 | 12.3 | 3.0 | 4.3 | 47.2 | 3 | 4 |
| 中旬 | 31.1 | 9.4 | 14.6 | 4.4 | 4.2 | 52.3 | 0 | 0 | |
| 下旬 | 37.5 | 11.4 | 17.0 | 6.3 | 3.9 | 56.1 | 0 | 0 | |
| 5月 | 上旬 | 44.7 | 13.6 | 18.8 | 8.9 | 3.9 | 58.0 | 0 | 0 |
| 中旬 | 35.3 | 14.9 | 19.7 | 10.5 | 3.9 | 56.8 | 0 | 0 | |
| 下旬 | 35.9 | 17.0 | 21.9 | 12.5 | 3.4 | 71.1 | 0 | 0 | |
| 6月 | 上旬 | 20.1 | 18.5 | 23.2 | 14.2 | 3.3 | 67.3 | 0 | 0 |
| 中旬 | 38.3 | 19.5 | 23.8 | 15.9 | 3.2 | 53.3 | 0 | 0 | |
| 下旬 | 66.8 | 20.7 | 24.9 | 17.3 | 3.1 | 48.8 | 0 | 0 | |
| 7月 | 上旬 | 82.1 | 21.9 | 25.8 | 18.7 | 2.8 | 39.9 | 0 | 0 |
| 中旬 | 83.9 | 22.8 | 26.6 | 19.7 | 2.6 | 42.8 | 0 | 0 | |
| 下旬 | 61.2 | 24.5 | 28.9 | 21.2 | 2.8 | 60.6 | 0 | 0 | |
| 8月 | 上旬 | 50.5 | 25.2 | 29.7 | 21.6 | 2.7 | 63.9 | 0 | 0 |
| 中旬 | 85.1 | 24.7 | 29.3 | 21.3 | 2.8 | 59.7 | 0 | 0 | |
| 下旬 | 83.2 | 23.6 | 28.2 | 20.1 | 2.7 | 59.6 | 0 | 0 | |
| 9月 | 上旬 | 53.6 | 22.7 | 27.4 | 19.2 | 2.8 | 52.0 | 0 | 0 |
| 中旬 | 68.6 | 20.6 | 25.2 | 17.0 | 2.7 | 45.8 | 0 | 0 | |
| 下旬 | 48.1 | 18.2 | 23.0 | 14.3 | 3.1 | 44.3 | 0 | 0 | |
| 10月 | 上旬 | 62.9 | 16.6 | 21.4 | 12.7 | 3.2 | 39.1 | 0 | 0 |
| 中旬 | 61.4 | 14.5 | 19.3 | 10.6 | 2.9 | 41.0 | 0 | 0 | |
| 下旬 | 77.7 | 12.6 | 17.0 | 8.9 | 3.4 | 38.5 | 0 | 0 | |
| 11月 | 上旬 | 66.7 | 10.6 | 15.1 | 6.8 | 3.4 | 34.2 | 0 | 0 |
| 中旬 | 89.3 | 8.3 | 12.1 | 4.8 | 3.7 | 23.3 | 1 | 1 | |
| 下旬 | 82.6 | 6.5 | 10.2 | 3.3 | 3.9 | 22.3 | 4 | 2 | |
| 12月 | 上旬 | 80.1 | 4.5 | 7.8 | 1.8 | 4.0 | 13.6 | 12 | 7 |
| 中旬 | 78.6 | 2.8 | 5.6 | 0.4 | 4.3 | 9.0 | 35 | 19 | |
| 下旬 | 70.7 | 2.1 | 4.9 | -0.3 | 4.6 | 12.0 | 37 | 22 | |