平年値（旬ごとの値）
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内海（香川県) 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 | 8.9 | 6.3 | 10.3 | 2.5 | 2.3 | 53.0 | /// | /// |
| 中旬 | 12.7 | 5.6 | 9.6 | 2.0 | 2.2 | 48.1 | /// | /// | |
| 下旬 | 15.2 | 5.1 | 9.1 | 1.3 | 2.2 | 52.9 | /// | /// | |
| 2月 | 上旬 | 9.9 | 5.2 | 9.5 | 1.4 | 2.2 | 50.5 | /// | /// |
| 中旬 | 16.7 | 5.9 | 10.3 | 1.9 | 2.1 | 51.3 | /// | /// | |
| 下旬 | 16.7 | 6.7 | 11.3 | 2.4 | 2.0 | 44.0 | /// | /// | |
| 3月 | 上旬 | 24.9 | 7.6 | 12.2 | 3.4 | 2.1 | 53.0 | /// | /// |
| 中旬 | 22.8 | 8.7 | 13.6 | 4.0 | 2.1 | 59.0 | /// | /// | |
| 下旬 | 30.0 | 10.0 | 14.8 | 5.4 | 2.0 | 65.5 | /// | /// | |
| 4月 | 上旬 | 27.4 | 12.2 | 17.3 | 7.4 | 2.0 | 64.8 | /// | /// |
| 中旬 | 26.0 | 13.9 | 19.0 | 9.2 | 2.0 | 65.2 | /// | /// | |
| 下旬 | 25.6 | 15.4 | 20.5 | 10.8 | 1.9 | 68.4 | /// | /// | |
| 5月 | 上旬 | 29.0 | 17.5 | 22.6 | 12.9 | 1.9 | 66.3 | /// | /// |
| 中旬 | 40.1 | 18.2 | 23.2 | 13.7 | 1.8 | 66.2 | /// | /// | |
| 下旬 | 44.8 | 19.7 | 24.8 | 15.3 | 1.8 | 76.2 | /// | /// | |
| 6月 | 上旬 | 29.8 | 20.8 | 25.7 | 16.7 | 1.7 | 63.3 | /// | /// |
| 中旬 | 57.7 | 22.1 | 26.6 | 18.5 | 1.6 | 54.1 | /// | /// | |
| 下旬 | 72.9 | 23.3 | 27.5 | 20.2 | 1.5 | 42.6 | /// | /// | |
| 7月 | 上旬 | 68.4 | 24.8 | 29.1 | 21.7 | 1.5 | 48.2 | /// | /// |
| 中旬 | 59.9 | 26.0 | 30.5 | 22.7 | 1.6 | 57.7 | /// | /// | |
| 下旬 | 36.5 | 27.3 | 32.0 | 23.8 | 1.7 | 83.4 | /// | /// | |
| 8月 | 上旬 | 55.3 | 27.8 | 32.8 | 24.3 | 1.8 | 77.9 | /// | /// |
| 中旬 | 26.1 | 27.7 | 32.5 | 24.2 | 1.8 | 70.9 | /// | /// | |
| 下旬 | 33.4 | 26.9 | 31.6 | 23.4 | 1.7 | 74.2 | /// | /// | |
| 9月 | 上旬 | 48.5 | 25.7 | 30.4 | 22.3 | 1.8 | 56.3 | /// | /// |
| 中旬 | 62.8 | 24.2 | 28.7 | 20.7 | 1.8 | 51.9 | /// | /// | |
| 下旬 | 64.3 | 22.1 | 26.4 | 18.5 | 1.8 | 47.2 | /// | /// | |
| 10月 | 上旬 | 40.6 | 20.6 | 25.0 | 17.1 | 1.8 | 50.3 | /// | /// |
| 中旬 | 41.9 | 18.7 | 23.3 | 14.8 | 1.9 | 54.8 | /// | /// | |
| 下旬 | 36.1 | 16.7 | 21.1 | 12.8 | 1.9 | 58.0 | /// | /// | |
| 11月 | 上旬 | 17.0 | 15.1 | 19.5 | 11.1 | 1.9 | 54.6 | /// | /// |
| 中旬 | 22.8 | 13.1 | 17.3 | 9.3 | 2.0 | 47.3 | /// | /// | |
| 下旬 | 14.7 | 11.4 | 15.7 | 7.5 | 2.0 | 48.2 | /// | /// | |
| 12月 | 上旬 | 15.6 | 9.6 | 13.6 | 5.9 | 2.1 | 50.2 | /// | /// |
| 中旬 | 12.7 | 7.8 | 11.8 | 4.2 | 2.2 | 46.5 | /// | /// | |
| 下旬 | 14.6 | 7.1 | 11.1 | 3.4 | 2.3 | 54.6 | /// | /// | |