平年値（旬ごとの値）
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勝浦 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 (時間) | 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 | 1981～ 2010 | 1981～ 2010 | 1981～ 2010 | 1981～ 2010 | 1981～ 2010 | 1981～ 2010 | 1981～ 2010 | 1981～ 2010 | /// | /// | /// | /// | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 0 | 0 | 0 | 0 | |
| 1月 | 上旬 | 1015.0 | 31.9 | 7.1 | 11.5 | 3.2 | 58 | 4.1 | 55.3 | /// | /// | /// | /// |
| 中旬 | 1016.2 | 31.0 | 6.4 | 10.6 | 2.6 | 60 | 4.1 | 51.4 | /// | /// | /// | /// | |
| 下旬 | 1015.1 | 31.3 | 6.2 | 10.6 | 2.2 | 56 | 4.2 | 63.3 | /// | /// | /// | /// | |
| 2月 | 上旬 | 1014.2 | 25.1 | 6.3 | 10.6 | 2.3 | 58 | 3.9 | 55.9 | /// | /// | /// | /// |
| 中旬 | 1015.4 | 43.5 | 6.8 | 10.9 | 2.9 | 62 | 4.0 | 49.8 | /// | /// | /// | /// | |
| 下旬 | 1016.2 | 35.7 | 7.3 | 11.4 | 3.2 | 62 | 4.1 | 44.2 | /// | /// | /// | /// | |
| 3月 | 上旬 | 1015.3 | 50.9 | 8.2 | 12.4 | 4.2 | 66 | 3.6 | 51.7 | /// | /// | /// | /// |
| 中旬 | 1015.0 | 50.4 | 9.6 | 13.5 | 5.6 | 65 | 3.9 | 51.0 | /// | /// | /// | /// | |
| 下旬 | 1015.0 | 84.3 | 10.6 | 14.2 | 6.6 | 70 | 3.8 | 50.5 | /// | /// | /// | /// | |
| 4月 | 上旬 | 1014.8 | 50.8 | 12.6 | 16.3 | 8.6 | 71 | 3.7 | 58.3 | /// | /// | /// | /// |
| 中旬 | 1014.2 | 60.0 | 13.9 | 17.3 | 10.2 | 74 | 3.7 | 54.9 | /// | /// | /// | /// | |
| 下旬 | 1013.9 | 49.2 | 15.4 | 18.8 | 11.6 | 74 | 3.7 | 63.2 | /// | /// | /// | /// | |
| 5月 | 上旬 | 1013.4 | 45.7 | 16.9 | 20.1 | 13.6 | 78 | 3.7 | 55.8 | /// | /// | /// | /// |
| 中旬 | 1012.3 | 61.4 | 17.4 | 20.5 | 14.3 | 79 | 3.5 | 49.7 | /// | /// | /// | /// | |
| 下旬 | 1011.0 | 56.9 | 18.5 | 21.7 | 15.4 | 79 | 3.2 | 67.1 | /// | /// | /// | /// | |
| 6月 | 上旬 | 1011.0 | 47.9 | 19.8 | 22.9 | 17.0 | 81 | 2.8 | 58.2 | /// | /// | /// | /// |
| 中旬 | 1009.7 | 80.7 | 20.4 | 23.2 | 18.1 | 85 | 2.8 | 40.6 | /// | /// | /// | /// | |
| 下旬 | 1008.0 | 93.4 | 21.0 | 23.9 | 18.7 | 87 | 2.6 | 33.1 | /// | /// | /// | /// | |
| 7月 | 上旬 | 1008.5 | 71.0 | 22.3 | 25.0 | 20.1 | 86 | 2.7 | 40.7 | /// | /// | /// | /// |
| 中旬 | 1008.6 | 55.3 | 23.5 | 26.2 | 21.3 | 87 | 2.6 | 45.2 | /// | /// | /// | /// | |
| 下旬 | 1010.1 | 37.2 | 24.7 | 27.7 | 22.5 | 86 | 2.5 | 69.7 | /// | /// | /// | /// | |
| 8月 | 上旬 | 1010.4 | 34.8 | 25.6 | 28.7 | 23.2 | 85 | 3.3 | 72.0 | /// | /// | /// | /// |
| 中旬 | 1010.3 | 44.5 | 25.6 | 28.8 | 23.3 | 85 | 3.3 | 69.0 | /// | /// | /// | /// | |
| 下旬 | 1010.5 | 52.0 | 25.6 | 28.8 | 23.2 | 83 | 3.3 | 77.0 | /// | /// | /// | /// | |
| 9月 | 上旬 | 1011.1 | 61.0 | 24.7 | 27.9 | 22.2 | 83 | 3.2 | 59.5 | /// | /// | /// | /// |
| 中旬 | 1012.4 | 73.9 | 23.3 | 26.4 | 20.8 | 82 | 3.5 | 49.9 | /// | /// | /// | /// | |
| 下旬 | 1014.8 | 110.4 | 21.3 | 24.5 | 18.6 | 80 | 3.6 | 40.1 | /// | /// | /// | /// | |
| 10月 | 上旬 | 1014.8 | 122.3 | 20.0 | 23.3 | 17.1 | 79 | 3.7 | 40.7 | /// | /// | /// | /// |
| 中旬 | 1015.9 | 69.6 | 18.6 | 22.1 | 15.5 | 76 | 3.6 | 46.1 | /// | /// | /// | /// | |
| 下旬 | 1016.9 | 78.0 | 16.7 | 20.5 | 13.2 | 73 | 3.6 | 53.1 | /// | /// | /// | /// | |
| 11月 | 上旬 | 1017.4 | 57.0 | 15.6 | 19.5 | 12.0 | 73 | 3.6 | 49.0 | /// | /// | /// | /// |
| 中旬 | 1017.2 | 48.6 | 13.8 | 17.6 | 10.1 | 70 | 3.9 | 44.4 | /// | /// | /// | /// | |
| 下旬 | 1017.9 | 46.9 | 12.1 | 16.2 | 8.4 | 68 | 4.0 | 47.2 | /// | /// | /// | /// | |
| 12月 | 上旬 | 1017.5 | 27.7 | 10.6 | 14.8 | 6.8 | 65 | 3.7 | 51.5 | /// | /// | /// | /// |
| 中旬 | 1016.5 | 25.2 | 9.0 | 13.3 | 5.1 | 62 | 3.8 | 51.7 | /// | /// | /// | /// | |
| 下旬 | 1015.4 | 24.7 | 8.1 | 12.3 | 4.1 | 59 | 3.8 | 60.8 | /// | /// | /// | /// | |