平年値（旬ごとの値）
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恵庭島松（石狩地方) 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 | 1991～ 2020 | 1991～ 2020 | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
| 1月 | 上旬 | 18.9 | -5.5 | -0.9 | -11.8 | 2.0 | 31.5 | 51 | 44 |
| 中旬 | 15.4 | -6.8 | -2.0 | -13.4 | 1.8 | 32.7 | 49 | 51 | |
| 下旬 | 19.5 | -6.4 | -1.7 | -13.0 | 1.9 | 38.5 | 54 | 61 | |
| 2月 | 上旬 | 17.0 | -6.6 | -1.7 | -13.6 | 2.0 | 38.1 | 53 | 69 |
| 中旬 | 19.6 | -5.4 | -0.6 | -12.3 | 2.2 | 34.5 | 51 | 74 | |
| 下旬 | 16.1 | -4.3 | 0.6 | -11.4 | 2.2 | 36.4 | 37 | 72 | |
| 3月 | 上旬 | 23.1 | -2.9 | 1.5 | -9.0 | 2.4 | 45.9 | 41 | 69 |
| 中旬 | 11.6 | -0.8 | 3.3 | -6.2 | 2.6 | 46.0 | 31 | 58 | |
| 下旬 | 18.7 | 0.9 | 5.3 | -4.4 | 2.5 | 59.1 | 23 | 40 | |
| 4月 | 上旬 | 12.1 | 3.3 | 8.1 | -1.9 | 2.9 | 55.9 | 6 | 14 |
| 中旬 | 20.9 | 5.4 | 10.6 | 0.3 | 3.1 | 56.7 | 1 | 2 | |
| 下旬 | 23.9 | 7.6 | 13.3 | 2.1 | 3.2 | 58.7 | 0 | 0 | |
| 5月 | 上旬 | 29.4 | 9.4 | 15.0 | 4.0 | 3.1 | 57.1 | 0 | 0 |
| 中旬 | 26.1 | 11.0 | 16.5 | 5.8 | 2.8 | 58.4 | 0 | 0 | |
| 下旬 | 26.9 | 12.8 | 18.3 | 7.8 | 2.5 | 63.8 | 0 | 0 | |
| 6月 | 上旬 | 23.4 | 13.9 | 19.1 | 9.6 | 2.4 | 52.3 | 0 | 0 |
| 中旬 | 34.1 | 15.2 | 20.0 | 11.3 | 2.3 | 46.4 | 0 | 0 | |
| 下旬 | 28.0 | 16.6 | 21.6 | 12.6 | 2.2 | 53.1 | 0 | 0 | |
| 7月 | 上旬 | 37.0 | 17.9 | 22.6 | 14.1 | 2.1 | 44.5 | 0 | 0 |
| 中旬 | 33.6 | 19.0 | 23.5 | 15.6 | 2.0 | 43.8 | 0 | 0 | |
| 下旬 | 36.3 | 20.4 | 24.8 | 17.1 | 2.3 | 47.0 | 0 | 0 | |
| 8月 | 上旬 | 43.3 | 21.1 | 25.7 | 17.7 | 2.0 | 48.7 | 0 | 0 |
| 中旬 | 52.8 | 20.6 | 24.9 | 17.3 | 1.9 | 42.1 | 0 | 0 | |
| 下旬 | 57.8 | 20.0 | 24.6 | 16.0 | 1.8 | 52.7 | 0 | 0 | |
| 9月 | 上旬 | 55.3 | 19.2 | 23.9 | 14.7 | 1.8 | 51.6 | 0 | 0 |
| 中旬 | 51.4 | 16.9 | 22.0 | 11.8 | 1.6 | 50.2 | 0 | 0 | |
| 下旬 | 45.4 | 14.5 | 20.0 | 8.8 | 1.7 | 54.8 | 0 | 0 | |
| 10月 | 上旬 | 41.0 | 12.4 | 17.9 | 6.8 | 1.7 | 48.8 | 0 | 0 |
| 中旬 | 30.0 | 10.1 | 15.8 | 4.0 | 1.8 | 51.6 | 0 | 0 | |
| 下旬 | 38.6 | 8.3 | 13.7 | 2.7 | 2.0 | 49.2 | 1 | 0 | |
| 11月 | 上旬 | 32.8 | 6.1 | 11.1 | 0.7 | 2.2 | 39.7 | 2 | 1 |
| 中旬 | 29.3 | 3.2 | 7.8 | -1.8 | 2.0 | 35.1 | 6 | 4 | |
| 下旬 | 25.8 | 1.0 | 5.4 | -3.8 | 2.1 | 36.7 | 11 | 6 | |
| 12月 | 上旬 | 23.4 | -1.6 | 2.6 | -6.7 | 1.9 | 31.6 | 27 | 14 |
| 中旬 | 20.8 | -3.9 | 0.6 | -9.6 | 1.8 | 31.9 | 40 | 24 | |
| 下旬 | 23.1 | -4.8 | -0.2 | -10.9 | 1.8 | 32.9 | 49 | 34 | |