平年値（旬ごとの値）
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羽田（東京都) 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 | 1993～ 2020 | 1993～ 2020 | 1993～ 2020 | 1993～ 2020 | /// | /// | /// | |
| 資料年数 | 30 | 28 | 28 | 28 | 28 | 0 | 0 | 0 | |
| 1月 | 上旬 | 11.8 | 6.8 | 10.4 | 3.1 | 5.0 | /// | /// | /// |
| 中旬 | 18.2 | 6.2 | 9.6 | 2.8 | 5.0 | /// | /// | /// | |
| 下旬 | 21.7 | 6.1 | 9.6 | 2.3 | 5.3 | /// | /// | /// | |
| 2月 | 上旬 | 13.1 | 6.2 | 9.9 | 2.8 | 5.3 | /// | /// | /// |
| 中旬 | 22.1 | 6.6 | 10.3 | 3.0 | 5.2 | /// | /// | /// | |
| 下旬 | 16.9 | 7.6 | 11.3 | 4.2 | 5.6 | /// | /// | /// | |
| 3月 | 上旬 | 43.7 | 8.3 | 12.1 | 4.9 | 5.6 | /// | /// | /// |
| 中旬 | 26.4 | 10.0 | 14.1 | 6.1 | 5.9 | /// | /// | /// | |
| 下旬 | 41.3 | 10.9 | 14.8 | 7.2 | 5.6 | /// | /// | /// | |
| 4月 | 上旬 | 42.6 | 12.9 | 17.0 | 9.1 | 5.8 | /// | /// | /// |
| 中旬 | 44.1 | 14.5 | 18.5 | 10.9 | 5.8 | /// | /// | /// | |
| 下旬 | 30.9 | 16.1 | 20.1 | 12.5 | 5.7 | /// | /// | /// | |
| 5月 | 上旬 | 32.4 | 18.1 | 22.0 | 14.6 | 5.7 | /// | /// | /// |
| 中旬 | 41.6 | 18.6 | 22.4 | 15.4 | 5.4 | /// | /// | /// | |
| 下旬 | 52.7 | 20.2 | 24.1 | 17.0 | 5.3 | /// | /// | /// | |
| 6月 | 上旬 | 39.5 | 21.0 | 24.7 | 18.0 | 5.0 | /// | /// | /// |
| 中旬 | 60.8 | 21.8 | 25.3 | 19.2 | 5.1 | /// | /// | /// | |
| 下旬 | 49.9 | 23.1 | 26.4 | 20.5 | 4.8 | /// | /// | /// | |
| 7月 | 上旬 | 59.7 | 24.7 | 28.3 | 22.1 | 5.4 | /// | /// | /// |
| 中旬 | 40.9 | 26.1 | 29.7 | 23.3 | 5.3 | /// | /// | /// | |
| 下旬 | 36.8 | 26.7 | 30.3 | 24.1 | 5.3 | /// | /// | /// | |
| 8月 | 上旬 | 23.4 | 28.0 | 32.0 | 25.1 | 5.4 | /// | /// | /// |
| 中旬 | 37.1 | 27.6 | 31.4 | 24.9 | 5.4 | /// | /// | /// | |
| 下旬 | 53.9 | 26.7 | 30.3 | 24.0 | 5.2 | /// | /// | /// | |
| 9月 | 上旬 | 68.3 | 25.9 | 29.3 | 23.3 | 5.3 | /// | /// | /// |
| 中旬 | 70.3 | 24.3 | 27.5 | 21.7 | 5.1 | /// | /// | /// | |
| 下旬 | 68.1 | 21.9 | 24.8 | 19.3 | 5.3 | /// | /// | /// | |
| 10月 | 上旬 | 91.0 | 20.7 | 23.7 | 18.2 | 5.1 | /// | /// | /// |
| 中旬 | 58.9 | 19.1 | 22.1 | 16.4 | 5.1 | /// | /// | /// | |
| 下旬 | 54.6 | 17.2 | 20.2 | 14.4 | 4.9 | /// | /// | /// | |
| 11月 | 上旬 | 26.2 | 15.6 | 18.8 | 12.4 | 4.5 | /// | /// | /// |
| 中旬 | 35.8 | 13.7 | 16.8 | 10.4 | 4.9 | /// | /// | /// | |
| 下旬 | 27.9 | 12.1 | 15.2 | 8.8 | 4.8 | /// | /// | /// | |
| 12月 | 上旬 | 23.2 | 10.2 | 13.5 | 6.8 | 4.7 | /// | /// | /// |
| 中旬 | 13.1 | 8.7 | 12.1 | 5.2 | 4.7 | /// | /// | /// | |
| 下旬 | 18.6 | 7.8 | 11.3 | 4.1 | 5.0 | /// | /// | /// | |