平年値（旬ごとの値）
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三宅島（東京都) 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～ 2009 | 1991～ 2009 | 1991～ 2009 | |
| 資料年数 | 29 | 29 | 29 | 29 | 29 | 27 | 29 | 27 | 0 | 15 | 15 | 15 | |
| 1月 | 上旬 | 1014.9 | 40.8 | 10.4 | 12.7 | 7.5 | 65 | 6.5 | 38.1 | /// | /// | /// | /// |
| 中旬 | 1016.1 | 56.0 | 9.9 | 12.0 | 7.2 | 66 | 6.6 | 35.5 | /// | /// | /// | /// | |
| 下旬 | 1015.2 | 53.6 | 9.5 | 11.6 | 6.7 | 65 | 6.7 | 41.3 | /// | /// | /// | /// | |
| 2月 | 上旬 | 1014.6 | 43.9 | 9.5 | 11.8 | 6.4 | 64 | 6.4 | 40.8 | /// | /// | /// | /// |
| 中旬 | 1015.2 | 63.4 | 10.1 | 12.5 | 7.0 | 66 | 6.3 | 43.4 | /// | /// | /// | /// | |
| 下旬 | 1017.0 | 64.9 | 10.5 | 13.0 | 7.6 | 67 | 6.3 | 34.0 | /// | /// | /// | /// | |
| 3月 | 上旬 | 1014.8 | 99.4 | 11.5 | 14.0 | 8.5 | 70 | 6.4 | 39.1 | /// | /// | /// | /// |
| 中旬 | 1015.4 | 71.7 | 12.2 | 14.9 | 8.9 | 68 | 6.1 | 44.5 | /// | /// | /// | /// | |
| 下旬 | 1014.8 | 104.4 | 13.1 | 15.8 | 10.0 | 71 | 5.9 | 49.9 | /// | /// | /// | /// | |
| 4月 | 上旬 | 1014.3 | 68.6 | 14.6 | 17.5 | 11.3 | 71 | 5.9 | 54.6 | /// | /// | /// | /// |
| 中旬 | 1013.6 | 84.5 | 15.8 | 18.5 | 12.9 | 74 | 5.6 | 51.7 | /// | /// | /// | /// | |
| 下旬 | 1013.6 | 75.0 | 17.0 | 19.8 | 13.9 | 74 | 5.3 | 60.8 | /// | /// | /// | /// | |
| 5月 | 上旬 | 1013.1 | 72.2 | 18.5 | 21.3 | 15.4 | 77 | 5.0 | 57.3 | /// | /// | /// | /// |
| 中旬 | 1012.0 | 76.5 | 19.0 | 21.7 | 16.2 | 78 | 5.0 | 58.1 | /// | /// | /// | /// | |
| 下旬 | 1011.0 | 94.6 | 19.9 | 22.8 | 16.9 | 80 | 4.6 | 66.4 | /// | /// | /// | /// | |
| 6月 | 上旬 | 1010.4 | 84.1 | 20.7 | 23.3 | 17.9 | 83 | 4.3 | 50.0 | /// | /// | /// | /// |
| 中旬 | 1008.6 | 155.3 | 21.8 | 24.2 | 19.6 | 87 | 4.7 | 39.5 | /// | /// | /// | /// | |
| 下旬 | 1008.3 | 110.3 | 23.0 | 25.3 | 20.9 | 88 | 4.9 | 38.0 | /// | /// | /// | /// | |
| 7月 | 上旬 | 1008.8 | 111.5 | 24.3 | 26.6 | 22.2 | 88 | 5.2 | 48.0 | /// | /// | /// | /// |
| 中旬 | 1009.0 | 62.4 | 25.5 | 28.0 | 23.3 | 87 | 4.9 | 60.4 | /// | /// | /// | /// | |
| 下旬 | 1009.7 | 66.3 | 26.1 | 28.5 | 24.1 | 86 | 4.6 | 74.4 | /// | /// | /// | /// | |
| 8月 | 上旬 | 1010.3 | 55.7 | 26.6 | 29.2 | 24.4 | 86 | 4.2 | 76.1 | /// | /// | /// | /// |
| 中旬 | 1009.6 | 65.6 | 26.8 | 29.2 | 24.6 | 86 | 4.5 | 73.2 | /// | /// | /// | /// | |
| 下旬 | 1010.6 | 85.4 | 26.3 | 28.8 | 24.1 | 85 | 4.4 | 72.6 | /// | /// | /// | /// | |
| 9月 | 上旬 | 1010.8 | 113.0 | 25.8 | 28.2 | 23.5 | 85 | 4.4 | 54.0 | /// | /// | /// | /// |
| 中旬 | 1012.4 | 106.2 | 24.6 | 26.9 | 22.4 | 83 | 4.9 | 47.6 | /// | /// | /// | /// | |
| 下旬 | 1013.8 | 115.1 | 23.1 | 25.1 | 20.9 | 81 | 6.0 | 33.6 | /// | /// | /// | /// | |
| 10月 | 上旬 | 1014.5 | 165.3 | 22.1 | 24.2 | 19.9 | 81 | 6.0 | 34.7 | /// | /// | /// | /// |
| 中旬 | 1015.5 | 119.5 | 20.9 | 22.9 | 18.6 | 78 | 6.2 | 32.6 | /// | /// | /// | /// | |
| 下旬 | 1016.1 | 134.1 | 19.5 | 21.6 | 17.0 | 75 | 6.2 | 36.6 | /// | /// | /// | /// | |
| 11月 | 上旬 | 1017.4 | 66.3 | 18.2 | 20.4 | 15.3 | 73 | 5.5 | 37.1 | /// | /// | /// | /// |
| 中旬 | 1017.0 | 82.5 | 16.8 | 18.9 | 14.1 | 71 | 5.8 | 35.3 | /// | /// | /// | /// | |
| 下旬 | 1017.7 | 85.3 | 15.6 | 17.7 | 12.8 | 71 | 5.9 | 34.8 | /// | /// | /// | /// | |
| 12月 | 上旬 | 1017.3 | 65.3 | 13.9 | 16.1 | 11.1 | 69 | 6.4 | 35.1 | /// | /// | /// | /// |
| 中旬 | 1016.9 | 51.8 | 12.3 | 14.4 | 9.5 | 67 | 6.6 | 34.6 | /// | /// | /// | /// | |
| 下旬 | 1015.7 | 51.8 | 11.4 | 13.6 | 8.5 | 66 | 6.8 | 39.5 | /// | /// | /// | /// | |
- 「@」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。