平年値（旬ごとの値）
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口之津（長崎県) 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 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | /// | /// | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 0 | 0 | |
| 1月 | 上旬 | 13.9 | 7.6 | 11.5 | 3.6 | 2.2 | 44.0 | /// | /// |
| 中旬 | 23.9 | 7.2 | 10.8 | 3.3 | 2.2 | 40.3 | /// | /// | |
| 下旬 | 23.1 | 6.7 | 10.6 | 2.7 | 2.2 | 49.2 | /// | /// | |
| 2月 | 上旬 | 26.2 | 7.0 | 11.1 | 2.9 | 2.3 | 50.4 | /// | /// |
| 中旬 | 28.1 | 8.0 | 12.2 | 3.7 | 2.3 | 51.7 | /// | /// | |
| 下旬 | 24.8 | 9.3 | 13.7 | 4.8 | 2.2 | 45.8 | /// | /// | |
| 3月 | 上旬 | 33.2 | 9.8 | 14.1 | 5.4 | 2.3 | 55.6 | /// | /// |
| 中旬 | 37.8 | 11.1 | 15.8 | 6.5 | 2.3 | 59.4 | /// | /// | |
| 下旬 | 43.8 | 12.2 | 16.5 | 7.9 | 2.2 | 62.4 | /// | /// | |
| 4月 | 上旬 | 47.7 | 14.1 | 18.8 | 9.6 | 2.3 | 62.0 | /// | /// |
| 中旬 | 37.9 | 15.4 | 20.1 | 10.9 | 2.2 | 64.6 | /// | /// | |
| 下旬 | 47.0 | 16.8 | 21.5 | 12.2 | 2.2 | 64.9 | /// | /// | |
| 5月 | 上旬 | 52.2 | 18.5 | 23.2 | 14.4 | 2.1 | 63.9 | /// | /// |
| 中旬 | 56.8 | 19.4 | 24.1 | 15.1 | 2.0 | 65.5 | /// | /// | |
| 下旬 | 42.6 | 20.5 | 25.2 | 16.4 | 2.0 | 70.0 | /// | /// | |
| 6月 | 上旬 | 55.0 | 21.8 | 26.3 | 18.2 | 1.9 | 57.0 | /// | /// |
| 中旬 | 140.6 | 22.9 | 26.9 | 19.9 | 2.0 | 46.2 | /// | /// | |
| 下旬 | 175.3 | 23.9 | 27.4 | 21.4 | 2.2 | 31.4 | /// | /// | |
| 7月 | 上旬 | 158.8 | 25.6 | 29.3 | 22.9 | 2.3 | 45.9 | /// | /// |
| 中旬 | 85.2 | 26.8 | 30.8 | 23.8 | 2.1 | 61.1 | /// | /// | |
| 下旬 | 60.6 | 27.8 | 31.9 | 24.7 | 2.0 | 88.3 | /// | /// | |
| 8月 | 上旬 | 43.2 | 28.3 | 32.9 | 25.0 | 2.0 | 83.5 | /// | /// |
| 中旬 | 68.5 | 28.0 | 32.3 | 24.9 | 2.1 | 73.0 | /// | /// | |
| 下旬 | 69.1 | 27.3 | 31.7 | 24.0 | 2.0 | 77.1 | /// | /// | |
| 9月 | 上旬 | 68.8 | 26.2 | 30.6 | 22.9 | 1.9 | 66.6 | /// | /// |
| 中旬 | 46.1 | 25.1 | 29.6 | 21.5 | 2.0 | 64.9 | /// | /// | |
| 下旬 | 60.3 | 23.3 | 27.7 | 19.6 | 1.9 | 57.5 | /// | /// | |
| 10月 | 上旬 | 31.4 | 21.8 | 26.4 | 17.8 | 1.9 | 61.7 | /// | /// |
| 中旬 | 28.1 | 20.0 | 24.8 | 15.7 | 1.9 | 66.6 | /// | /// | |
| 下旬 | 29.4 | 18.0 | 22.6 | 13.8 | 1.9 | 65.9 | /// | /// | |
| 11月 | 上旬 | 36.8 | 16.4 | 20.8 | 12.2 | 1.9 | 57.7 | /// | /// |
| 中旬 | 29.5 | 14.4 | 18.6 | 10.3 | 2.0 | 49.9 | /// | /// | |
| 下旬 | 23.3 | 12.6 | 16.9 | 8.4 | 2.0 | 50.0 | /// | /// | |
| 12月 | 上旬 | 28.9 | 10.6 | 14.7 | 6.5 | 2.1 | 47.4 | /// | /// |
| 中旬 | 19.4 | 9.0 | 13.0 | 5.1 | 2.1 | 43.9 | /// | /// | |
| 下旬 | 21.1 | 8.3 | 12.4 | 4.2 | 2.2 | 51.2 | /// | /// | |