平年値（旬ごとの値）
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根室中標津（根室地方) 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 | 2003～ 2020 | 2003～ 2020 | 2003～ 2020 | 2003～ 2020 | 2003～ 2020 | /// | 2006～ 2020 | 2006～ 2020 | |
| 資料年数 | 18 | 18 | 18 | 18 | 18 | 0 | 15 | 15 | |
| 1月 | 上旬 | /// | -6.5 | -1.3 | -13.4 | 3.2 | /// | 16 | 25 |
| 中旬 | /// | -7.9 | -2.5 | -15.5 | 3.0 | /// | 17 | 31 | |
| 下旬 | /// | -7.4 | -2.1 | -15.2 | 3.1 | /// | 32 | 39 | |
| 2月 | 上旬 | /// | -7.7 | -2.6 | -15.5 | 3.1 | /// | 26 | 44 |
| 中旬 | /// | -6.8 | -1.6 | -14.4 | 3.2 | /// | 26 | 51 | |
| 下旬 | /// | -6.0 | -0.5 | -14.1 | 3.3 | /// | 22 | 54 | |
| 3月 | 上旬 | /// | -4.0 | 0.8 | -11.0 | 3.4 | /// | 26 | 65 |
| 中旬 | /// | -1.8 | 2.9 | -8.2 | 3.5 | /// | 17 | 55 | |
| 下旬 | /// | -0.6 | 4.0 | -6.2 | 3.4 | /// | 17 | 45 | |
| 4月 | 上旬 | /// | 1.2 | 5.7 | -4.0 | 3.5 | /// | 15 | 29 |
| 中旬 | /// | 3.0 | 8.6 | -2.7 | 3.6 | /// | 5 | 10 | |
| 下旬 | /// | 5.6 | 12.5 | -1.0 | 3.8 | /// | 4 | 4 | |
| 5月 | 上旬 | 36.7 | 7.7 | 14.5 | 1.3 | 3.8 | /// | 0 | 0 |
| 中旬 | 33.6 | 8.5 | 15.1 | 2.5 | 3.8 | /// | 0 | 0 | |
| 下旬 | 34.6 | 10.5 | 16.9 | 4.8 | 3.6 | /// | 0 | 0 | |
| 6月 | 上旬 | 24.1 | 12.1 | 18.4 | 6.8 | 3.3 | /// | 0 | 0 |
| 中旬 | 49.2 | 12.7 | 17.8 | 8.5 | 3.0 | /// | 0 | 0 | |
| 下旬 | 37.0 | 13.7 | 19.3 | 9.4 | 3.0 | /// | 0 | 0 | |
| 7月 | 上旬 | 39.9 | 14.9 | 20.1 | 11.0 | 2.8 | /// | 0 | 0 |
| 中旬 | 38.7 | 16.2 | 21.4 | 12.3 | 2.7 | /// | 0 | 0 | |
| 下旬 | 44.5 | 17.5 | 22.5 | 14.0 | 2.8 | /// | 0 | 0 | |
| 8月 | 上旬 | 50.9 | 19.2 | 24.3 | 15.4 | 2.7 | /// | 0 | 0 |
| 中旬 | 70.1 | 18.5 | 23.0 | 15.0 | 2.9 | /// | 0 | 0 | |
| 下旬 | 57.8 | 17.8 | 22.6 | 13.6 | 2.9 | /// | 0 | 0 | |
| 9月 | 上旬 | 61.8 | 17.9 | 22.6 | 13.4 | 3.0 | /// | 0 | 0 |
| 中旬 | 53.7 | 15.9 | 21.3 | 10.5 | 2.8 | /// | 0 | 0 | |
| 下旬 | 38.0 | 13.3 | 18.8 | 7.0 | 2.8 | /// | 0 | 0 | |
| 10月 | 上旬 | 59.4 | 11.7 | 17.3 | 5.5 | 3.1 | /// | 0 | 0 |
| 中旬 | 36.1 | 9.2 | 15.5 | 2.4 | 3.0 | /// | 0 | 0 | |
| 下旬 | 35.0 | 7.5 | 13.3 | 0.7 | 3.2 | /// | 0 | 0 | |
| 11月 | 上旬 | /// | 5.6 | 11.5 | -0.9 | 3.2 | /// | 1 | 0 |
| 中旬 | /// | 2.7 | 8.3 | -3.7 | 3.0 | /// | 1 | 1 | |
| 下旬 | /// | -0.2 | 5.3 | -6.8 | 3.1 | /// | 7 | 5 | |
| 12月 | 上旬 | /// | -2.3 | 3.1 | -9.3 | 3.1 | /// | 15 | 12 |
| 中旬 | /// | -4.1 | 1.0 | -11.1 | 3.1 | /// | 16 | 17 | |
| 下旬 | /// | -5.2 | -0.3 | -12.2 | 3.3 | /// | 22 | 24 | |