平年値（旬ごとの値）
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後免（高知県) 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 | 11.8 | 6.2 | 11.9 | 0.9 | 1.9 | 60.6 | /// | /// |
| 中旬 | 19.9 | 6.1 | 11.6 | 0.9 | 2.0 | 59.4 | /// | /// | |
| 下旬 | 20.0 | 5.7 | 11.1 | 0.6 | 2.1 | 63.2 | /// | /// | |
| 2月 | 上旬 | 19.4 | 6.0 | 11.4 | 0.9 | 2.2 | 61.7 | /// | /// |
| 中旬 | 37.3 | 7.1 | 12.3 | 2.0 | 2.4 | 60.4 | /// | /// | |
| 下旬 | 36.4 | 8.5 | 13.6 | 3.4 | 2.4 | 51.3 | /// | /// | |
| 3月 | 上旬 | 41.4 | 9.3 | 14.4 | 4.2 | 2.4 | 61.5 | /// | /// |
| 中旬 | 54.6 | 10.4 | 15.5 | 5.1 | 2.4 | 62.5 | /// | /// | |
| 下旬 | 57.5 | 11.7 | 16.4 | 6.7 | 2.3 | 67.9 | /// | /// | |
| 4月 | 上旬 | 56.1 | 13.7 | 18.6 | 8.7 | 2.2 | 65.0 | /// | /// |
| 中旬 | 67.0 | 15.3 | 20.0 | 10.4 | 2.1 | 66.9 | /// | /// | |
| 下旬 | 72.5 | 16.6 | 21.3 | 11.7 | 2.1 | 69.0 | /// | /// | |
| 5月 | 上旬 | 74.1 | 18.5 | 23.0 | 13.9 | 2.0 | 64.1 | /// | /// |
| 中旬 | 96.4 | 19.2 | 23.7 | 14.7 | 1.9 | 65.4 | /// | /// | |
| 下旬 | 68.9 | 20.3 | 24.8 | 15.8 | 1.8 | 72.4 | /// | /// | |
| 6月 | 上旬 | 69.4 | 21.2 | 25.3 | 17.2 | 1.6 | 55.1 | /// | /// |
| 中旬 | 107.0 | 22.6 | 26.3 | 19.1 | 1.5 | 47.3 | /// | /// | |
| 下旬 | 139.6 | 23.7 | 27.1 | 20.8 | 1.4 | 35.5 | /// | /// | |
| 7月 | 上旬 | 130.8 | 25.1 | 28.6 | 22.2 | 1.5 | 43.6 | /// | /// |
| 中旬 | 84.7 | 26.3 | 30.0 | 23.1 | 1.6 | 57.3 | /// | /// | |
| 下旬 | 103.7 | 27.1 | 31.0 | 23.7 | 1.7 | 75.7 | /// | /// | |
| 8月 | 上旬 | 111.7 | 27.4 | 31.6 | 23.9 | 1.8 | 72.0 | /// | /// |
| 中旬 | 94.7 | 27.4 | 31.7 | 23.8 | 1.8 | 64.9 | /// | /// | |
| 下旬 | 71.5 | 26.8 | 31.1 | 23.2 | 1.8 | 71.6 | /// | /// | |
| 9月 | 上旬 | 123.3 | 25.8 | 30.3 | 22.2 | 1.9 | 59.6 | /// | /// |
| 中旬 | 94.6 | 24.6 | 29.0 | 20.9 | 1.9 | 55.1 | /// | /// | |
| 下旬 | 118.1 | 22.7 | 27.4 | 18.7 | 2.0 | 51.7 | /// | /// | |
| 10月 | 上旬 | 67.0 | 21.3 | 26.0 | 17.1 | 1.9 | 54.4 | /// | /// |
| 中旬 | 50.9 | 19.5 | 24.8 | 14.8 | 2.0 | 61.1 | /// | /// | |
| 下旬 | 62.5 | 17.2 | 22.5 | 12.2 | 1.9 | 65.3 | /// | /// | |
| 11月 | 上旬 | 38.6 | 15.5 | 21.0 | 10.4 | 1.8 | 56.3 | /// | /// |
| 中旬 | 54.5 | 13.5 | 18.9 | 8.6 | 1.8 | 54.5 | /// | /// | |
| 下旬 | 24.1 | 11.5 | 17.1 | 6.4 | 1.8 | 54.9 | /// | /// | |
| 12月 | 上旬 | 37.7 | 9.6 | 15.2 | 4.4 | 1.8 | 55.7 | /// | /// |
| 中旬 | 22.3 | 7.7 | 13.4 | 2.6 | 1.8 | 56.6 | /// | /// | |
| 下旬 | 17.3 | 7.1 | 12.8 | 1.9 | 1.9 | 65.6 | /// | /// | |