平年値（旬ごとの値）
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神津島（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 | 2003～ 2020 | 2003～ 2020 | 2003～ 2020 | 2003～ 2020 | 2003～ 2020 | /// | /// | /// | |
| 資料年数 | 18 | 18 | 18 | 18 | 18 | 0 | 0 | 0 | |
| 1月 | 上旬 | 26.3 | 9.0 | 11.1 | 6.8 | 7.7 | /// | /// | /// |
| 中旬 | 31.0 | 8.3 | 10.4 | 6.2 | 7.6 | /// | /// | /// | |
| 下旬 | 41.2 | 8.3 | 10.6 | 6.0 | 7.6 | /// | /// | /// | |
| 2月 | 上旬 | 38.1 | 8.3 | 10.6 | 6.0 | 7.3 | /// | /// | /// |
| 中旬 | 44.3 | 9.0 | 11.4 | 6.5 | 7.2 | /// | /// | /// | |
| 下旬 | 45.6 | 9.9 | 12.3 | 7.4 | 6.8 | /// | /// | /// | |
| 3月 | 上旬 | 89.8 | 10.4 | 12.8 | 8.0 | 6.9 | /// | /// | /// |
| 中旬 | 51.4 | 11.4 | 14.0 | 8.6 | 6.9 | /// | /// | /// | |
| 下旬 | 57.6 | 12.2 | 14.7 | 9.5 | 6.4 | /// | /// | /// | |
| 4月 | 上旬 | 48.8 | 13.7 | 16.2 | 11.1 | 6.4 | /// | /// | /// |
| 中旬 | 72.9 | 15.0 | 17.3 | 12.6 | 5.9 | /// | /// | /// | |
| 下旬 | 48.8 | 16.4 | 18.7 | 14.0 | 5.9 | /// | /// | /// | |
| 5月 | 上旬 | 63.1 | 17.9 | 20.2 | 15.6 | 5.3 | /// | /// | /// |
| 中旬 | 57.7 | 18.4 | 20.7 | 16.3 | 5.4 | /// | /// | /// | |
| 下旬 | 62.5 | 19.4 | 21.7 | 17.3 | 4.7 | /// | /// | /// | |
| 6月 | 上旬 | 62.6 | 20.0 | 22.2 | 18.1 | 4.3 | /// | /// | /// |
| 中旬 | 103.1 | 21.2 | 23.2 | 19.4 | 4.7 | /// | /// | /// | |
| 下旬 | 97.2 | 22.4 | 24.4 | 20.9 | 4.5 | /// | /// | /// | |
| 7月 | 上旬 | 93.7 | 23.4 | 25.5 | 22.0 | 4.6 | /// | /// | /// |
| 中旬 | 51.9 | 24.9 | 27.1 | 23.2 | 4.5 | /// | /// | /// | |
| 下旬 | 43.9 | 25.4 | 27.8 | 23.7 | 4.2 | /// | /// | /// | |
| 8月 | 上旬 | 59.2 | 26.4 | 28.8 | 24.7 | 3.9 | /// | /// | /// |
| 中旬 | 43.0 | 26.5 | 28.8 | 24.8 | 4.3 | /// | /// | /// | |
| 下旬 | 94.9 | 25.9 | 28.2 | 24.1 | 4.5 | /// | /// | /// | |
| 9月 | 上旬 | 75.8 | 25.5 | 27.7 | 23.6 | 4.7 | /// | /// | /// |
| 中旬 | 48.6 | 24.2 | 26.4 | 22.3 | 4.7 | /// | /// | /// | |
| 下旬 | 83.7 | 22.5 | 24.6 | 20.6 | 5.6 | /// | /// | /// | |
| 10月 | 上旬 | 113.1 | 21.4 | 23.5 | 19.6 | 5.8 | /// | /// | /// |
| 中旬 | 96.2 | 20.0 | 22.0 | 18.1 | 5.5 | /// | /// | /// | |
| 下旬 | 124.8 | 18.8 | 20.9 | 16.7 | 5.7 | /// | /// | /// | |
| 11月 | 上旬 | 49.9 | 17.9 | 19.9 | 15.6 | 5.3 | /// | /// | /// |
| 中旬 | 62.7 | 15.9 | 18.0 | 13.8 | 6.3 | /// | /// | /// | |
| 下旬 | 61.8 | 14.6 | 16.8 | 12.3 | 6.3 | /// | /// | /// | |
| 12月 | 上旬 | 47.4 | 12.7 | 14.8 | 10.3 | 7.1 | /// | /// | /// |
| 中旬 | 39.8 | 11.0 | 13.1 | 8.8 | 7.8 | /// | /// | /// | |
| 下旬 | 39.0 | 10.1 | 12.3 | 7.9 | 8.1 | /// | /// | /// | |