平年値（旬ごとの値）
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大栃（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 | 16.5 | 4.9 | 10.1 | 0.7 | 1.1 | 52.3 | /// | /// |
| 中旬 | 26.5 | 4.7 | 9.8 | 0.6 | 1.1 | 50.1 | /// | /// | |
| 下旬 | 30.0 | 4.3 | 9.3 | 0.3 | 1.1 | 54.6 | /// | /// | |
| 2月 | 上旬 | 26.3 | 4.6 | 9.9 | 0.3 | 1.2 | 53.5 | /// | /// |
| 中旬 | 48.9 | 5.6 | 11.0 | 1.3 | 1.2 | 52.8 | /// | /// | |
| 下旬 | 48.7 | 6.9 | 12.6 | 2.1 | 1.1 | 47.2 | /// | /// | |
| 3月 | 上旬 | 53.1 | 7.8 | 13.4 | 3.0 | 1.2 | 53.4 | /// | /// |
| 中旬 | 67.7 | 8.8 | 14.8 | 3.7 | 1.2 | 57.1 | /// | /// | |
| 下旬 | 68.3 | 10.2 | 16.0 | 5.1 | 1.2 | 65.5 | /// | /// | |
| 4月 | 上旬 | 68.2 | 12.3 | 18.6 | 6.9 | 1.2 | 61.6 | /// | /// |
| 中旬 | 87.3 | 13.9 | 20.1 | 8.4 | 1.2 | 64.4 | /// | /// | |
| 下旬 | 76.4 | 15.3 | 21.6 | 9.8 | 1.1 | 67.0 | /// | /// | |
| 5月 | 上旬 | 85.5 | 17.3 | 23.5 | 12.0 | 1.1 | 60.7 | /// | /// |
| 中旬 | 94.4 | 18.0 | 24.3 | 12.7 | 1.1 | 63.9 | /// | /// | |
| 下旬 | 80.3 | 19.3 | 25.6 | 14.1 | 1.1 | 68.6 | /// | /// | |
| 6月 | 上旬 | 77.6 | 20.3 | 26.0 | 15.6 | 1.0 | 52.1 | /// | /// |
| 中旬 | 135.5 | 21.7 | 26.9 | 17.7 | 1.0 | 45.5 | /// | /// | |
| 下旬 | 170.4 | 22.8 | 27.5 | 19.4 | 0.9 | 32.5 | /// | /// | |
| 7月 | 上旬 | 199.4 | 24.2 | 29.2 | 20.7 | 1.0 | 38.4 | /// | /// |
| 中旬 | 125.4 | 25.4 | 30.8 | 21.5 | 1.0 | 48.8 | /// | /// | |
| 下旬 | 149.1 | 26.3 | 32.1 | 22.1 | 1.1 | 65.8 | /// | /// | |
| 8月 | 上旬 | 156.1 | 26.4 | 32.4 | 22.3 | 1.1 | 62.5 | /// | /// |
| 中旬 | 129.5 | 26.2 | 32.0 | 22.2 | 1.1 | 55.5 | /// | /// | |
| 下旬 | 100.8 | 25.4 | 31.3 | 21.5 | 1.0 | 60.3 | /// | /// | |
| 9月 | 上旬 | 156.2 | 24.4 | 30.0 | 20.5 | 1.0 | 51.9 | /// | /// |
| 中旬 | 122.2 | 23.0 | 28.5 | 19.1 | 1.0 | 49.2 | /// | /// | |
| 下旬 | 122.2 | 21.0 | 26.6 | 16.8 | 1.0 | 45.8 | /// | /// | |
| 10月 | 上旬 | 75.9 | 19.5 | 25.3 | 15.3 | 0.9 | 51.7 | /// | /// |
| 中旬 | 75.2 | 17.6 | 23.9 | 13.0 | 0.9 | 57.2 | /// | /// | |
| 下旬 | 57.6 | 15.2 | 21.3 | 10.7 | 0.9 | 58.9 | /// | /// | |
| 11月 | 上旬 | 39.7 | 13.6 | 19.6 | 9.0 | 0.8 | 53.9 | /// | /// |
| 中旬 | 53.3 | 11.7 | 17.4 | 7.3 | 0.9 | 49.5 | /// | /// | |
| 下旬 | 30.5 | 9.8 | 15.5 | 5.4 | 0.9 | 50.8 | /// | /// | |
| 12月 | 上旬 | 42.5 | 7.9 | 13.4 | 3.7 | 1.0 | 49.8 | /// | /// |
| 中旬 | 32.8 | 6.2 | 11.4 | 2.2 | 1.0 | 48.4 | /// | /// | |
| 下旬 | 25.8 | 5.5 | 10.9 | 1.4 | 1.0 | 56.7 | /// | /// | |