平年値（旬ごとの値）
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士別（上川地方) 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 | 24.5 | -7.5 | -3.6 | -13.0 | 1.5 | 10.5 | /// | /// |
| 中旬 | 17.7 | -9.2 | -4.8 | -15.2 | 1.4 | 15.7 | /// | /// | |
| 下旬 | 22.0 | -8.8 | -4.3 | -15.1 | 1.5 | 21.4 | /// | /// | |
| 2月 | 上旬 | 14.9 | -9.0 | -4.1 | -15.6 | 1.6 | 24.8 | /// | /// |
| 中旬 | 21.1 | -7.5 | -2.9 | -13.6 | 1.7 | 22.8 | /// | /// | |
| 下旬 | 13.6 | -6.4 | -1.1 | -13.1 | 1.8 | 27.4 | /// | /// | |
| 3月 | 上旬 | 17.3 | -5.3 | -0.4 | -11.5 | 2.0 | 33.6 | /// | /// |
| 中旬 | 18.4 | -2.6 | 2.0 | -8.3 | 2.0 | 36.2 | /// | /// | |
| 下旬 | 16.4 | -0.8 | 3.8 | -6.0 | 1.9 | 47.3 | /// | /// | |
| 4月 | 上旬 | 15.2 | 1.8 | 6.4 | -3.0 | 1.9 | 50.4 | /// | /// |
| 中旬 | 15.8 | 4.0 | 9.2 | -0.9 | 2.1 | 54.1 | /// | /// | |
| 下旬 | 15.7 | 6.8 | 12.7 | 1.1 | 2.1 | 54.8 | /// | /// | |
| 5月 | 上旬 | 21.7 | 8.9 | 15.1 | 3.2 | 2.1 | 57.2 | /// | /// |
| 中旬 | 18.2 | 11.0 | 17.3 | 5.0 | 1.9 | 61.3 | /// | /// | |
| 下旬 | 23.4 | 13.4 | 20.0 | 7.3 | 1.8 | 71.3 | /// | /// | |
| 6月 | 上旬 | 22.6 | 14.5 | 21.0 | 8.8 | 1.6 | 57.5 | /// | /// |
| 中旬 | 24.0 | 15.9 | 22.0 | 10.9 | 1.6 | 52.1 | /// | /// | |
| 下旬 | 19.7 | 16.9 | 23.0 | 11.7 | 1.7 | 58.7 | /// | /// | |
| 7月 | 上旬 | 30.8 | 18.7 | 24.6 | 13.7 | 1.4 | 52.2 | /// | /// |
| 中旬 | 37.7 | 19.3 | 25.1 | 14.6 | 1.5 | 56.4 | /// | /// | |
| 下旬 | 62.0 | 20.9 | 26.5 | 16.4 | 1.3 | 54.1 | /// | /// | |
| 8月 | 上旬 | 44.6 | 21.1 | 26.6 | 16.7 | 1.4 | 54.2 | /// | /// |
| 中旬 | 56.0 | 20.2 | 25.6 | 16.0 | 1.3 | 43.6 | /// | /// | |
| 下旬 | 51.7 | 19.2 | 24.7 | 14.7 | 1.3 | 54.4 | /// | /// | |
| 9月 | 上旬 | 59.2 | 18.0 | 23.6 | 13.3 | 1.3 | 52.2 | /// | /// |
| 中旬 | 49.2 | 15.5 | 21.0 | 10.7 | 1.3 | 45.8 | /// | /// | |
| 下旬 | 41.0 | 13.1 | 19.0 | 7.9 | 1.3 | 50.0 | /// | /// | |
| 10月 | 上旬 | 41.9 | 11.0 | 16.6 | 6.2 | 1.4 | 40.8 | /// | /// |
| 中旬 | 36.5 | 8.7 | 14.1 | 3.8 | 1.5 | 38.9 | /// | /// | |
| 下旬 | 38.1 | 6.7 | 11.8 | 2.2 | 1.5 | 35.1 | /// | /// | |
| 11月 | 上旬 | 42.8 | 4.6 | 8.7 | 0.7 | 1.8 | 19.3 | /// | /// |
| 中旬 | 42.8 | 1.5 | 5.0 | -1.9 | 1.7 | 14.6 | /// | /// | |
| 下旬 | 41.3 | -0.8 | 2.4 | -4.4 | 1.7 | 14.0 | /// | /// | |
| 12月 | 上旬 | 40.4 | -3.6 | -0.4 | -7.7 | 1.6 | 10.4 | /// | /// |
| 中旬 | 33.0 | -5.5 | -2.1 | -10.2 | 1.6 | 10.2 | /// | /// | |
| 下旬 | 28.8 | -6.5 | -2.8 | -11.6 | 1.6 | 11.3 | /// | /// | |