平年値（旬ごとの値）
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小本（岩手県) 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 | 18.0 | 0.3 | 5.2 | -4.0 | 1.9 | 50.6 | /// | /// |
| 中旬 | 15.9 | -0.5 | 4.4 | -5.0 | 1.8 | 52.6 | /// | /// | |
| 下旬 | 27.8 | -0.5 | 4.5 | -5.0 | 1.9 | 60.1 | /// | /// | |
| 2月 | 上旬 | 18.7 | -0.6 | 4.4 | -5.3 | 1.8 | 55.1 | /// | /// |
| 中旬 | 22.6 | -0.1 | 4.9 | -4.9 | 1.8 | 56.8 | /// | /// | |
| 下旬 | 15.0 | 0.8 | 5.9 | -4.0 | 1.8 | 50.7 | /// | /// | |
| 3月 | 上旬 | 35.2 | 1.6 | 6.6 | -3.0 | 1.8 | 55.9 | /// | /// |
| 中旬 | 21.3 | 3.2 | 8.7 | -2.0 | 1.9 | 61.4 | /// | /// | |
| 下旬 | 29.3 | 4.5 | 9.9 | -0.8 | 1.9 | 70.0 | /// | /// | |
| 4月 | 上旬 | 24.9 | 6.6 | 12.3 | 1.1 | 1.9 | 65.0 | /// | /// |
| 中旬 | 30.4 | 8.2 | 13.8 | 2.8 | 2.0 | 66.1 | /// | /// | |
| 下旬 | 35.6 | 10.1 | 15.9 | 4.5 | 1.9 | 68.8 | /// | /// | |
| 5月 | 上旬 | 30.3 | 11.7 | 17.4 | 6.4 | 1.8 | 64.0 | /// | /// |
| 中旬 | 33.0 | 12.7 | 17.9 | 8.1 | 1.7 | 61.7 | /// | /// | |
| 下旬 | 41.4 | 14.1 | 19.0 | 9.8 | 1.6 | 74.2 | /// | /// | |
| 6月 | 上旬 | 42.0 | 15.0 | 19.6 | 11.1 | 1.5 | 67.3 | /// | /// |
| 中旬 | 49.9 | 16.2 | 20.2 | 12.8 | 1.4 | 50.1 | /// | /// | |
| 下旬 | 52.3 | 17.4 | 21.3 | 14.1 | 1.3 | 50.9 | /// | /// | |
| 7月 | 上旬 | 59.5 | 18.8 | 22.8 | 15.9 | 1.3 | 46.3 | /// | /// |
| 中旬 | 62.5 | 19.7 | 23.4 | 16.8 | 1.2 | 40.6 | /// | /// | |
| 下旬 | 49.4 | 21.6 | 25.8 | 18.5 | 1.2 | 59.7 | /// | /// | |
| 8月 | 上旬 | 49.9 | 22.3 | 26.5 | 19.1 | 1.2 | 56.2 | /// | /// |
| 中旬 | 68.9 | 22.0 | 26.0 | 19.0 | 1.1 | 48.8 | /// | /// | |
| 下旬 | 85.3 | 21.5 | 25.6 | 18.3 | 1.2 | 53.5 | /// | /// | |
| 9月 | 上旬 | 53.6 | 20.8 | 25.1 | 17.5 | 1.2 | 45.6 | /// | /// |
| 中旬 | 100.7 | 19.1 | 23.6 | 15.5 | 1.2 | 44.6 | /// | /// | |
| 下旬 | 76.2 | 16.8 | 21.6 | 12.7 | 1.4 | 47.1 | /// | /// | |
| 10月 | 上旬 | 71.8 | 15.3 | 20.4 | 11.1 | 1.4 | 47.3 | /// | /// |
| 中旬 | 53.1 | 13.1 | 18.8 | 8.4 | 1.4 | 54.4 | /// | /// | |
| 下旬 | 43.2 | 11.2 | 17.0 | 6.4 | 1.5 | 53.7 | /// | /// | |
| 11月 | 上旬 | 26.8 | 9.3 | 15.4 | 4.0 | 1.6 | 52.7 | /// | /// |
| 中旬 | 21.5 | 7.2 | 13.3 | 1.9 | 1.6 | 46.1 | /// | /// | |
| 下旬 | 20.3 | 5.4 | 11.3 | 0.2 | 1.7 | 49.7 | /// | /// | |
| 12月 | 上旬 | 19.1 | 3.5 | 9.1 | -1.2 | 1.7 | 47.7 | /// | /// |
| 中旬 | 16.6 | 1.8 | 7.1 | -2.7 | 1.8 | 46.9 | /// | /// | |
| 下旬 | 25.4 | 1.1 | 6.2 | -3.3 | 1.9 | 52.9 | /// | /// | |