平年値（旬ごとの値）
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昭和（南極) 平年値（旬ごとの値）
| 要素 | 海面気圧 (hPa) | 降水量 (mm) | 平均気温 (℃) | 日最高気温 (℃) | 日最低気温 (℃) | 相対湿度 (%) | 平均風速 (m/s) | 日照時間 (時) | 全天日射量 (MJ/㎡) | 降雪の深さ合計 (cm) | 最深積雪 (cm) | 雲量 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | /// | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 2005～ 2020 | 1999～ 2020 | 1991～ 2020 | |
| 資料年数 | 30 | 0 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 15 | 21 | 30 | |
| 1月 | 上旬 | 988.0 | /// | -0.5 | 2.2 | -3.4 | 71 | 4.4 | 120.1 | 28.2 | /// | /// | 6.8 |
| 中旬 | 988.5 | /// | -0.6 | 2.1 | -3.5 | 70 | 5.0 | 112.1 | 25.8 | 6 | 55 | 7.2 | |
| 下旬 | 987.7 | /// | -1.3 | 1.3 | -4.2 | 70 | 4.7 | 114.5 | 23.4 | /// | 52 | 6.9 | |
| 2月 | 上旬 | 987.1 | /// | -2.1 | 0.3 | -5.0 | 71 | 6.7 | 80.3 | 19.2 | /// | /// | 7.3 |
| 中旬 | 986.0 | /// | -2.9 | -0.6 | -5.6 | 68 | 7.8 | 63.1 | 15.5 | 9 | 55 | 7.6 | |
| 下旬 | 985.4 | /// | -4.0 | -1.8 | -6.5 | 70 | 8.5 | 43.5 | 13.0 | /// | 50 | 8.0 | |
| 3月 | 上旬 | 984.3 | /// | -5.4 | -3.2 | -8.0 | 71 | 7.2 | 43.6 | 10.2 | 18 | /// | 8.1 |
| 中旬 | 983.4 | /// | -7.1 | -4.8 | -10.2 | 71 | 7.4 | 41.1 | 8.0 | 18 | 51 | 7.8 | |
| 下旬 | 984.5 | /// | -7.9 | -5.6 | -10.8 | 73 | 8.3 | 33.7 | 5.5 | /// | /// | 7.8 | |
| 4月 | 上旬 | 984.1 | /// | -9.1 | -6.6 | -12.3 | 74 | 7.0 | 24.8 | 3.6 | /// | /// | 7.9 |
| 中旬 | 983.3 | /// | -10.2 | -7.7 | -13.1 | 73 | 7.6 | 19.1 | 2.2 | /// | /// | 8.0 | |
| 下旬 | 985.4 | /// | -11.8 | -9.2 | -14.9 | 72 | 7.5 | 16.1 | 1.2 | /// | /// | 7.6 | |
| 5月 | 上旬 | 986.4 | /// | -12.7 | -9.8 | -16.1 | 70 | 8.2 | 14.5 | 0.6 | /// | /// | 7.1 |
| 中旬 | 985.2 | /// | -14.1 | -11.3 | -17.4 | 68 | 7.9 | 6.8 | 0.2 | /// | /// | 7.3 | |
| 下旬 | 987.1 | /// | -13.8 | -10.8 | -17.2 | 69 | 8.5 | 1.0 | 0.0 | /// | /// | 7.3 | |
| 6月 | 上旬 | 987.4 | /// | -15.7 | -12.4 | -19.2 | 69 | 7.2 | --- | 0.0 | 13 | /// | 7.0 |
| 中旬 | 990.4 | /// | -14.5 | -11.4 | -17.8 | 68 | 7.6 | --- | 0.0 | /// | /// | 6.7 | |
| 下旬 | 989.9 | /// | -15.3 | -12.0 | -19.1 | 67 | 6.9 | --- | 0.0 | /// | /// | 7.1 | |
| 7月 | 上旬 | 986.2 | /// | -16.3 | -13.2 | -19.9 | 71 | 6.8 | --- | 0.0 | /// | /// | 7.5 |
| 中旬 | 985.3 | /// | -18.2 | -14.8 | -22.0 | 67 | 6.0 | 0.6 | 0.1 | /// | /// | 6.6 | |
| 下旬 | 985.3 | /// | -18.2 | -14.8 | -22.1 | 69 | 6.7 | 5.6 | 0.2 | /// | /// | 7.0 | |
| 8月 | 上旬 | 985.2 | /// | -18.6 | -14.8 | -22.7 | 68 | 6.6 | 14.6 | 0.6 | /// | /// | 6.6 |
| 中旬 | 985.1 | /// | -18.2 | -14.8 | -22.0 | 68 | 6.7 | 18.9 | 1.3 | /// | /// | 7.3 | |
| 下旬 | 984.9 | /// | -19.4 | -15.8 | -23.5 | 67 | 5.8 | 31.6 | 2.5 | /// | /// | 6.8 | |
| 9月 | 上旬 | 983.2 | /// | -19.0 | -15.6 | -23.2 | 67 | 5.8 | 37.9 | 4.2 | /// | /// | 6.8 |
| 中旬 | 984.1 | /// | -18.5 | -15.4 | -22.5 | 67 | 6.1 | 50.8 | 6.5 | /// | /// | 6.5 | |
| 下旬 | 986.3 | /// | -17.3 | -13.9 | -21.3 | 66 | 5.1 | 55.8 | 8.9 | /// | /// | 6.9 | |
| 10月 | 上旬 | 984.4 | /// | -15.2 | -12.2 | -19.1 | 68 | 7.7 | 56.1 | 11.5 | /// | /// | 7.4 |
| 中旬 | 982.5 | /// | -13.6 | -10.8 | -17.4 | 70 | 8.5 | 64.0 | 14.6 | /// | /// | 7.3 | |
| 下旬 | 984.1 | /// | -11.3 | -8.6 | -15.0 | 71 | 7.7 | 74.1 | 17.7 | /// | /// | 7.7 | |
| 11月 | 上旬 | 987.4 | /// | -8.5 | -5.6 | -12.3 | 68 | 6.2 | 95.3 | 22.1 | /// | /// | 6.9 |
| 中旬 | 987.3 | /// | -6.2 | -3.3 | -10.0 | 67 | 5.9 | 115.3 | 25.4 | 4 | 102 | 6.4 | |
| 下旬 | 984.9 | /// | -4.2 | -1.6 | -7.5 | 69 | 6.4 | 109.9 | 27.2 | 10 | 101 | 7.2 | |
| 12月 | 上旬 | 985.0 | /// | -2.5 | 0.2 | -5.8 | 69 | 4.7 | 135.7 | 29.9 | 6 | 105 | 6.4 |
| 中旬 | 987.8 | /// | -1.3 | 1.3 | -4.3 | 69 | 4.3 | 138.5 | 30.5 | 6 | 90 | 6.3 | |
| 下旬 | 989.5 | /// | -0.9 | 1.7 | -3.7 | 71 | 4.0 | 140.0 | 29.7 | 7 | 86 | 6.8 | |
- 「@」の付いた値は、参考値です。平年差や平年比に利用できません。