平年値（旬ごとの値）
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船橋（千葉県) 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 | 1999～ 2020 | 1999～ 2020 | 1999～ 2020 | 1999～ 2020 | 1999～ 2020 | 1999～ 2020 | /// | /// | |
| 資料年数 | 22 | 22 | 22 | 22 | 22 | 22 | 0 | 0 | |
| 1月 | 上旬 | 11.3 | 5.1 | 10.1 | 0.6 | 1.7 | 64.8 | /// | /// |
| 中旬 | 21.7 | 4.5 | 9.1 | 0.3 | 1.7 | 60.7 | /// | /// | |
| 下旬 | 30.1 | 4.7 | 9.3 | 0.4 | 1.8 | 66.5 | /// | /// | |
| 2月 | 上旬 | 19.2 | 4.9 | 9.6 | 0.6 | 1.8 | 60.5 | /// | /// |
| 中旬 | 26.2 | 5.5 | 10.1 | 1.2 | 1.9 | 57.7 | /// | /// | |
| 下旬 | 16.0 | 6.7 | 11.4 | 2.5 | 2.0 | 47.8 | /// | /// | |
| 3月 | 上旬 | 45.4 | 7.5 | 12.0 | 3.3 | 2.0 | 51.5 | /// | /// |
| 中旬 | 21.6 | 9.3 | 14.2 | 4.4 | 2.3 | 68.8 | /// | /// | |
| 下旬 | 36.0 | 10.1 | 14.9 | 5.5 | 2.1 | 64.0 | /// | /// | |
| 4月 | 上旬 | 40.9 | 12.3 | 17.2 | 7.5 | 2.3 | 65.3 | /// | /// |
| 中旬 | 43.9 | 13.9 | 18.7 | 9.4 | 2.2 | 57.3 | /// | /// | |
| 下旬 | 29.7 | 15.2 | 20.1 | 10.9 | 2.1 | 62.7 | /// | /// | |
| 5月 | 上旬 | 28.6 | 17.5 | 22.3 | 13.4 | 2.1 | 63.2 | /// | /// |
| 中旬 | 47.0 | 18.1 | 22.6 | 14.2 | 2.0 | 55.9 | /// | /// | |
| 下旬 | 54.2 | 19.7 | 24.4 | 15.8 | 1.9 | 66.3 | /// | /// | |
| 6月 | 上旬 | 37.7 | 20.7 | 25.3 | 17.0 | 1.8 | 55.2 | /// | /// |
| 中旬 | 65.9 | 21.5 | 25.6 | 18.3 | 1.8 | 40.2 | /// | /// | |
| 下旬 | 51.7 | 22.8 | 26.7 | 19.8 | 1.7 | 32.6 | /// | /// | |
| 7月 | 上旬 | 56.8 | 24.3 | 28.4 | 21.3 | 1.9 | 43.8 | /// | /// |
| 中旬 | 36.0 | 25.8 | 30.1 | 22.7 | 2.1 | 57.7 | /// | /// | |
| 下旬 | 29.1 | 26.1 | 30.4 | 23.1 | 1.9 | 61.0 | /// | /// | |
| 8月 | 上旬 | 24.8 | 27.6 | 32.3 | 24.3 | 2.0 | 74.5 | /// | /// |
| 中旬 | 44.5 | 26.9 | 31.4 | 23.9 | 2.0 | 62.3 | /// | /// | |
| 下旬 | 43.9 | 26.2 | 30.4 | 23.1 | 1.9 | 58.5 | /// | /// | |
| 9月 | 上旬 | 67.3 | 25.4 | 29.6 | 22.3 | 1.9 | 52.4 | /// | /// |
| 中旬 | 59.1 | 23.8 | 27.9 | 20.7 | 1.8 | 49.4 | /// | /// | |
| 下旬 | 63.3 | 21.0 | 25.1 | 17.7 | 1.7 | 42.0 | /// | /// | |
| 10月 | 上旬 | 94.4 | 19.8 | 23.8 | 16.6 | 1.7 | 42.0 | /// | /// |
| 中旬 | 64.4 | 17.7 | 21.9 | 14.3 | 1.6 | 42.8 | /// | /// | |
| 下旬 | 81.0 | 15.9 | 20.1 | 12.2 | 1.5 | 53.0 | /// | /// | |
| 11月 | 上旬 | 27.8 | 14.2 | 18.8 | 10.1 | 1.4 | 50.0 | /// | /// |
| 中旬 | 37.7 | 12.1 | 16.3 | 8.1 | 1.5 | 46.4 | /// | /// | |
| 下旬 | 31.9 | 10.4 | 14.9 | 6.4 | 1.4 | 49.5 | /// | /// | |
| 12月 | 上旬 | 24.2 | 8.5 | 13.0 | 4.4 | 1.5 | 52.3 | /// | /// |
| 中旬 | 15.7 | 6.9 | 11.5 | 2.6 | 1.5 | 56.9 | /// | /// | |
| 下旬 | 23.4 | 6.0 | 10.7 | 1.6 | 1.7 | 68.1 | /// | /// | |