平年値（旬ごとの値）
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紫波（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 | 18.9 | -1.4 | 2.0 | -5.1 | 1.7 | 28.6 | /// | /// |
| 中旬 | 13.0 | -2.2 | 1.6 | -6.4 | 1.7 | 33.7 | /// | /// | |
| 下旬 | 16.1 | -2.2 | 1.6 | -6.3 | 1.8 | 37.7 | /// | /// | |
| 2月 | 上旬 | 14.1 | -2.0 | 2.0 | -6.2 | 1.8 | 35.4 | /// | /// |
| 中旬 | 18.3 | -1.3 | 2.7 | -5.4 | 2.0 | 37.9 | /// | /// | |
| 下旬 | 12.2 | -0.3 | 4.1 | -4.8 | 1.9 | 38.1 | /// | /// | |
| 3月 | 上旬 | 29.8 | 0.8 | 5.3 | -3.2 | 2.1 | 43.2 | /// | /// |
| 中旬 | 21.9 | 2.4 | 7.5 | -2.1 | 2.2 | 50.7 | /// | /// | |
| 下旬 | 27.7 | 3.9 | 9.3 | -1.1 | 2.2 | 57.5 | /// | /// | |
| 4月 | 上旬 | 24.3 | 6.3 | 12.0 | 1.0 | 2.3 | 55.5 | /// | /// |
| 中旬 | 26.0 | 8.4 | 14.3 | 2.8 | 2.5 | 58.8 | /// | /// | |
| 下旬 | 34.4 | 10.7 | 16.9 | 4.8 | 2.3 | 61.9 | /// | /// | |
| 5月 | 上旬 | 34.2 | 12.8 | 18.8 | 7.2 | 2.3 | 61.2 | /// | /// |
| 中旬 | 37.2 | 14.0 | 19.5 | 8.9 | 2.2 | 59.8 | /// | /// | |
| 下旬 | 37.9 | 16.2 | 21.9 | 10.9 | 2.0 | 70.6 | /// | /// | |
| 6月 | 上旬 | 23.6 | 17.5 | 23.1 | 12.5 | 2.0 | 67.2 | /// | /// |
| 中旬 | 41.3 | 18.7 | 23.6 | 14.5 | 1.9 | 51.2 | /// | /// | |
| 下旬 | 54.4 | 19.7 | 24.6 | 15.7 | 1.8 | 48.5 | /// | /// | |
| 7月 | 上旬 | 62.3 | 21.2 | 25.8 | 17.4 | 1.8 | 42.1 | /// | /// |
| 中旬 | 65.5 | 21.9 | 26.4 | 18.2 | 1.7 | 39.2 | /// | /// | |
| 下旬 | 52.8 | 23.4 | 28.3 | 19.7 | 1.8 | 52.5 | /// | /// | |
| 8月 | 上旬 | 54.7 | 24.1 | 29.2 | 20.2 | 1.8 | 55.4 | /// | /// |
| 中旬 | 58.1 | 23.4 | 28.4 | 19.7 | 1.7 | 48.6 | /// | /// | |
| 下旬 | 65.2 | 22.3 | 27.2 | 18.5 | 1.6 | 51.0 | /// | /// | |
| 9月 | 上旬 | 45.4 | 21.5 | 26.4 | 17.5 | 1.6 | 45.3 | /// | /// |
| 中旬 | 63.1 | 19.3 | 24.2 | 15.3 | 1.5 | 40.0 | /// | /// | |
| 下旬 | 46.1 | 16.5 | 21.8 | 11.8 | 1.5 | 45.0 | /// | /// | |
| 10月 | 上旬 | 43.5 | 14.8 | 20.0 | 10.2 | 1.6 | 43.0 | /// | /// |
| 中旬 | 32.0 | 12.5 | 18.1 | 7.5 | 1.5 | 46.5 | /// | /// | |
| 下旬 | 34.5 | 10.5 | 15.8 | 5.6 | 1.6 | 47.7 | /// | /// | |
| 11月 | 上旬 | 29.4 | 8.4 | 13.6 | 3.5 | 1.7 | 44.9 | /// | /// |
| 中旬 | 27.1 | 5.9 | 10.6 | 1.5 | 1.7 | 36.5 | /// | /// | |
| 下旬 | 31.2 | 4.0 | 8.5 | 0.0 | 1.8 | 35.7 | /// | /// | |
| 12月 | 上旬 | 26.9 | 2.0 | 6.0 | -1.5 | 1.7 | 32.5 | /// | /// |
| 中旬 | 20.9 | 0.2 | 3.8 | -3.3 | 1.7 | 28.8 | /// | /// | |
| 下旬 | 23.6 | -0.5 | 3.0 | -4.1 | 1.9 | 33.8 | /// | /// | |