平年値（旬ごとの値）
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達布（留萌地方) 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 | 60.1 | -5.4 | -1.6 | -10.3 | 1.6 | 8.6 | /// | /// |
| 中旬 | 45.5 | -6.9 | -2.4 | -12.4 | 1.4 | 14.5 | /// | /// | |
| 下旬 | 52.0 | -6.7 | -2.1 | -12.4 | 1.5 | 17.4 | /// | /// | |
| 2月 | 上旬 | 41.3 | -7.0 | -2.1 | -13.1 | 1.5 | 18.9 | /// | /// |
| 中旬 | 37.6 | -5.6 | -1.2 | -11.3 | 1.6 | 16.6 | /// | /// | |
| 下旬 | 28.2 | -4.8 | 0.4 | -11.3 | 1.7 | 22.2 | /// | /// | |
| 3月 | 上旬 | 33.9 | -3.7 | 1.0 | -9.5 | 1.8 | 28.2 | /// | /// |
| 中旬 | 31.9 | -1.4 | 3.1 | -6.9 | 2.0 | 32.6 | /// | /// | |
| 下旬 | 25.2 | 0.2 | 4.9 | -5.0 | 1.9 | 46.8 | /// | /// | |
| 4月 | 上旬 | 24.6 | 2.3 | 7.1 | -2.8 | 1.8 | 50.5 | /// | /// |
| 中旬 | 25.2 | 4.1 | 9.4 | -0.9 | 1.9 | 53.9 | /// | /// | |
| 下旬 | 24.3 | 6.3 | 12.5 | 0.4 | 1.9 | 54.7 | /// | /// | |
| 5月 | 上旬 | 33.9 | 8.6 | 14.8 | 2.5 | 2.0 | 59.0 | /// | /// |
| 中旬 | 27.6 | 10.8 | 17.1 | 4.4 | 1.9 | 62.6 | /// | /// | |
| 下旬 | 26.6 | 13.2 | 19.7 | 6.8 | 1.8 | 74.3 | /// | /// | |
| 6月 | 上旬 | 25.9 | 14.4 | 20.6 | 8.7 | 1.6 | 60.5 | /// | /// |
| 中旬 | 25.2 | 15.9 | 21.8 | 10.8 | 1.5 | 52.5 | /// | /// | |
| 下旬 | 22.8 | 17.1 | 22.9 | 12.0 | 1.5 | 58.5 | /// | /// | |
| 7月 | 上旬 | 37.5 | 18.8 | 24.5 | 13.8 | 1.4 | 53.9 | /// | /// |
| 中旬 | 39.9 | 19.6 | 25.3 | 15.0 | 1.4 | 54.4 | /// | /// | |
| 下旬 | 70.6 | 21.1 | 26.5 | 16.8 | 1.4 | 54.0 | /// | /// | |
| 8月 | 上旬 | 50.1 | 21.3 | 26.7 | 16.9 | 1.3 | 55.2 | /// | /// |
| 中旬 | 56.9 | 20.7 | 26.0 | 16.3 | 1.3 | 45.7 | /// | /// | |
| 下旬 | 60.8 | 19.6 | 25.3 | 14.8 | 1.3 | 58.4 | /// | /// | |
| 9月 | 上旬 | 61.7 | 18.4 | 24.3 | 13.3 | 1.4 | 54.7 | /// | /// |
| 中旬 | 58.3 | 15.9 | 21.8 | 10.6 | 1.4 | 49.0 | /// | /// | |
| 下旬 | 51.2 | 13.4 | 20.0 | 7.8 | 1.4 | 52.7 | /// | /// | |
| 10月 | 上旬 | 56.8 | 11.4 | 17.6 | 6.0 | 1.6 | 44.2 | /// | /// |
| 中旬 | 54.9 | 9.2 | 15.0 | 3.9 | 1.7 | 36.7 | /// | /// | |
| 下旬 | 67.4 | 7.4 | 12.9 | 2.4 | 1.8 | 33.4 | /// | /// | |
| 11月 | 上旬 | 64.8 | 5.4 | 9.8 | 1.0 | 1.9 | 20.4 | /// | /// |
| 中旬 | 72.7 | 2.3 | 6.1 | -1.2 | 1.7 | 12.9 | /// | /// | |
| 下旬 | 69.1 | 0.3 | 3.6 | -2.8 | 1.8 | 11.0 | /// | /// | |
| 12月 | 上旬 | 70.0 | -2.0 | 1.2 | -5.1 | 1.7 | 8.6 | /// | /// |
| 中旬 | 65.6 | -3.7 | -0.4 | -7.5 | 1.6 | 7.7 | /// | /// | |
| 下旬 | 64.8 | -4.7 | -0.9 | -9.1 | 1.6 | 10.5 | /// | /// | |