平年値（年・月ごとの値）
 |
 |
 |  |  |  |  |
 |  |  |  |
長万部（渡島地方) 平年値（年・月ごとの値） 詳細(雪)
| 要素 | 雪 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 降雪の深さ | 各階級の日数(降雪の深さ) | 最深積雪 (cm) | 各階級の日数(最深積雪) | |||||||||||
| 合計 (cm) | 日合計の最大 (cm) | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ||
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 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 | 30 | 30 | 30 | 30 | 30 | 30 |
| 1月 | 174 | 20 | 21.6 | 14.7 | 5.5 | 0.8 | 0.0 | 0.0 | 53 | 30.6 | 29.2 | 23.6 | 6.9 | 0.0 |
| 2月 | 164 | 20 | 20.4 | 13.6 | 5.7 | 0.7 | 0.0 | 0.0 | 74 | 28.2 | 28.2 | 28.0 | 16.3 | 0.6 |
| 3月 | 104 | 15 | 15.0 | 8.5 | 2.2 | 0.1 | 0.0 | 0.0 | 63 | 25.9 | 24.8 | 22.1 | 9.5 | 0.3 |
| 4月 | 9 | 3 | 1.4 | 0.7 | 0.1 | 0.0 | 0.0 | 0.0 | 9 | 1.8 | 1.4 | 0.8 | 0.0 | 0.0 |
| 5月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 6月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 7月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 8月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 9月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 10月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 11月 | 24 | 9 | 3.0 | 2.0 | 0.5 | 0.1 | 0.0 | 0.0 | 8 | 2.3 | 0.7 | 0.1 | 0.0 | 0.0 |
| 12月 | 128 | 19 | 15.7 | 10.5 | 4.0 | 0.5 | 0.0 | 0.0 | 29 | 19.1 | 13.8 | 5.9 | 0.2 | 0.0 |
| 年 | 600 | 25 | 76.8 | 49.9 | 17.9 | 2.3 | 0.0 | 0.0 | 75 | 107.6 | 97.6 | 80.2 | 32.9 | 0.9 |