平年値（旬ごとの値）
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館山（千葉県) 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 | /// | 1991～ 2006 | 1991～ 2006 | 1991～ 2006 | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 0 | 16 | 16 | 16 | |
| 1月 | 上旬 | 1014.8 | 29.0 | 6.8 | 12.1 | 1.4 | 63 | 3.4 | 60.5 | /// | 0 @ | 0 @ | 4.8 @ |
| 中旬 | 1016.2 | 21.8 | 6.1 | 11.1 | 1.0 | 65 | 3.2 | 53.6 | /// | 0 @ | --- @ | 5.5 @ | |
| 下旬 | 1015.3 | 35.1 | 6.3 | 11.0 | 1.2 | 61 | 3.6 | 62.7 | /// | 0 @ | --- @ | 4.9 @ | |
| 2月 | 上旬 | 1014.7 | 20.8 | 6.3 | 11.4 | 1.0 | 62 | 3.0 | 56.4 | /// | 0 @ | 0 @ | 5.3 @ |
| 中旬 | 1015.5 | 31.2 | 7.0 | 11.8 | 1.8 | 64 | 3.0 | 53.4 | /// | 1 @ | 0 @ | 5.8 @ | |
| 下旬 | 1017.2 | 29.9 | 8.0 | 12.7 | 2.9 | 65 | 3.3 | 45.5 | /// | 0 @ | --- @ | 5.8 @ | |
| 3月 | 上旬 | 1014.9 | 56.9 | 9.0 | 13.5 | 4.1 | 68 | 3.5 | 50.0 | /// | 0 @ | --- @ | 6.3 @ |
| 中旬 | 1015.4 | 38.0 | 10.2 | 14.7 | 5.0 | 66 | 3.7 | 56.2 | /// | 0 @ | --- @ | 6.7 @ | |
| 下旬 | 1014.8 | 65.9 | 11.1 | 15.6 | 6.1 | 70 | 3.5 | 58.3 | /// | 0 @ | --- @ | 7.1 @ | |
| 4月 | 上旬 | 1014.5 | 53.7 | 13.0 | 17.7 | 7.8 | 71 | 3.8 | 61.3 | /// | --- @ | --- @ | 6.7 @ |
| 中旬 | 1013.7 | 55.6 | 14.5 | 19.0 | 9.9 | 73 | 3.8 | 56.3 | /// | 0 @ | --- @ | 6.6 @ | |
| 下旬 | 1013.7 | 46.4 | 15.9 | 20.3 | 11.3 | 74 | 3.8 | 61.6 | /// | --- @ | --- @ | 6.6 @ | |
| 5月 | 上旬 | 1013.1 | 42.5 | 17.6 | 21.8 | 13.3 | 76 | 3.6 | 60.2 | /// | --- @ | --- @ | 7.3 @ |
| 中旬 | 1012.2 | 53.4 | 18.3 | 22.5 | 14.2 | 77 | 3.4 | 57.4 | /// | --- @ | --- @ | 7.7 @ | |
| 下旬 | 1011.1 | 57.3 | 19.6 | 23.9 | 15.6 | 79 | 3.2 | 67.4 | /// | --- @ | --- @ | 7.3 @ | |
| 6月 | 上旬 | 1010.7 | 55.7 | 20.5 | 24.7 | 16.7 | 80 | 3.2 | 56.8 | /// | --- @ | --- @ | 7.7 @ |
| 中旬 | 1008.7 | 83.5 | 21.5 | 25.0 | 18.6 | 84 | 3.5 | 40.6 | /// | --- @ | --- @ | 8.7 @ | |
| 下旬 | 1008.2 | 72.3 | 22.6 | 26.1 | 19.9 | 86 | 3.5 | 37.8 | /// | --- @ | --- @ | 8.7 @ | |
| 7月 | 上旬 | 1008.6 | 82.5 | 24.1 | 27.6 | 21.4 | 85 | 4.1 | 47.3 | /// | --- @ | --- @ | 7.8 @ |
| 中旬 | 1008.8 | 54.3 | 25.3 | 29.0 | 22.6 | 84 | 4.0 | 58.6 | /// | --- @ | --- @ | 7.8 @ | |
| 下旬 | 1009.9 | 42.4 | 26.2 | 30.1 | 23.3 | 83 | 3.8 | 73.3 | /// | --- @ | --- @ | 7.3 @ | |
| 8月 | 上旬 | 1010.4 | 24.7 | 27.0 | 31.0 | 24.0 | 82 | 3.3 | 76.0 | /// | --- @ | --- @ | 6.7 @ |
| 中旬 | 1009.9 | 35.2 | 26.9 | 31.0 | 23.9 | 82 | 3.4 | 70.7 | /// | --- @ | --- @ | 6.9 @ | |
| 下旬 | 1010.5 | 43.4 | 26.3 | 30.4 | 23.2 | 82 | 3.2 | 71.7 | /// | --- @ | --- @ | 6.7 @ | |
| 9月 | 上旬 | 1011.1 | 70.8 | 25.5 | 29.6 | 22.2 | 82 | 3.2 | 58.7 | /// | --- @ | --- @ | 6.9 @ |
| 中旬 | 1012.7 | 69.8 | 24.0 | 28.0 | 20.6 | 81 | 3.1 | 52.7 | /// | --- @ | --- @ | 7.1 @ | |
| 下旬 | 1014.6 | 81.3 | 21.6 | 25.7 | 18.0 | 80 | 3.0 | 41.2 | /// | --- @ | --- @ | 7.7 @ | |
| 10月 | 上旬 | 1015.1 | 102.8 | 20.5 | 24.5 | 16.8 | 80 | 3.1 | 40.8 | /// | --- @ | --- @ | 7.5 @ |
| 中旬 | 1016.4 | 72.4 | 18.8 | 23.0 | 14.9 | 78 | 3.0 | 44.1 | /// | --- @ | --- @ | 6.6 @ | |
| 下旬 | 1016.9 | 82.4 | 16.8 | 21.5 | 12.4 | 77 | 2.9 | 52.2 | /// | --- @ | --- @ | 6.1 @ | |
| 11月 | 上旬 | 1017.8 | 43.2 | 15.4 | 20.2 | 10.6 | 76 | 2.9 | 51.2 | /// | --- @ | --- @ | 5.5 @ |
| 中旬 | 1017.5 | 51.1 | 13.7 | 18.3 | 9.1 | 73 | 3.1 | 46.5 | /// | --- @ | --- @ | 6.1 @ | |
| 下旬 | 1018.1 | 49.2 | 11.9 | 16.8 | 7.1 | 73 | 3.0 | 48.9 | /// | --- @ | --- @ | 5.5 @ | |
| 12月 | 上旬 | 1017.5 | 36.1 | 10.3 | 15.1 | 5.3 | 71 | 3.1 | 50.1 | /// | 0 @ | --- @ | 5.5 @ |
| 中旬 | 1016.8 | 24.3 | 8.8 | 13.8 | 3.7 | 67 | 3.3 | 53.1 | /// | 0 @ | --- @ | 5.1 @ | |
| 下旬 | 1015.7 | 30.8 | 7.8 | 12.9 | 2.4 | 65 | 3.3 | 60.8 | /// | 0 @ | --- @ | 4.7 @ | |
- 「@」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。