平年値（旬ごとの値）
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院内（大分県) 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 | 13.6 | 4.4 | 10.0 | -0.6 | 1.9 | 43.6 | /// | /// |
| 中旬 | 22.8 | 4.1 | 9.3 | -0.5 | 1.8 | 38.8 | /// | /// | |
| 下旬 | 23.2 | 3.7 | 8.8 | -1.0 | 1.8 | 45.2 | /// | /// | |
| 2月 | 上旬 | 17.3 | 4.0 | 9.5 | -1.0 | 1.9 | 45.7 | /// | /// |
| 中旬 | 28.5 | 4.9 | 10.5 | -0.3 | 1.9 | 45.5 | /// | /// | |
| 下旬 | 25.2 | 5.9 | 11.8 | 0.3 | 1.9 | 40.1 | /// | /// | |
| 3月 | 上旬 | 34.1 | 7.0 | 12.6 | 1.5 | 2.0 | 47.3 | /// | /// |
| 中旬 | 32.1 | 8.2 | 14.4 | 2.2 | 2.1 | 52.3 | /// | /// | |
| 下旬 | 40.0 | 9.5 | 15.5 | 3.7 | 2.0 | 59.3 | /// | /// | |
| 4月 | 上旬 | 39.3 | 11.7 | 18.1 | 5.5 | 2.1 | 58.0 | /// | /// |
| 中旬 | 34.7 | 13.4 | 19.8 | 7.3 | 2.1 | 60.4 | /// | /// | |
| 下旬 | 40.7 | 15.1 | 21.5 | 8.7 | 2.0 | 63.4 | /// | /// | |
| 5月 | 上旬 | 41.1 | 17.3 | 23.6 | 11.4 | 2.0 | 61.6 | /// | /// |
| 中旬 | 46.7 | 18.0 | 24.3 | 12.0 | 2.0 | 63.8 | /// | /// | |
| 下旬 | 42.7 | 19.3 | 25.4 | 13.6 | 2.0 | 66.0 | /// | /// | |
| 6月 | 上旬 | 48.5 | 20.5 | 26.1 | 15.6 | 1.8 | 52.1 | /// | /// |
| 中旬 | 113.1 | 21.9 | 26.8 | 17.7 | 1.7 | 45.2 | /// | /// | |
| 下旬 | 140.8 | 23.1 | 27.6 | 19.7 | 1.5 | 30.4 | /// | /// | |
| 7月 | 上旬 | 159.6 | 24.8 | 29.6 | 21.1 | 1.6 | 39.6 | /// | /// |
| 中旬 | 87.9 | 25.9 | 31.0 | 21.9 | 1.7 | 51.9 | /// | /// | |
| 下旬 | 59.7 | 26.7 | 32.0 | 22.6 | 1.7 | 71.2 | /// | /// | |
| 8月 | 上旬 | 56.3 | 27.0 | 32.4 | 22.7 | 1.8 | 68.5 | /// | /// |
| 中旬 | 55.9 | 26.6 | 31.9 | 22.6 | 1.7 | 59.8 | /// | /// | |
| 下旬 | 66.4 | 25.6 | 31.0 | 21.6 | 1.7 | 59.5 | /// | /// | |
| 9月 | 上旬 | 84.2 | 24.3 | 29.5 | 20.4 | 1.7 | 50.3 | /// | /// |
| 中旬 | 76.3 | 22.7 | 27.7 | 18.6 | 1.7 | 47.1 | /// | /// | |
| 下旬 | 60.2 | 20.6 | 25.6 | 16.4 | 1.6 | 44.6 | /// | /// | |
| 10月 | 上旬 | 34.7 | 18.8 | 24.3 | 14.2 | 1.6 | 49.3 | /// | /// |
| 中旬 | 49.3 | 16.8 | 22.9 | 11.7 | 1.7 | 55.8 | /// | /// | |
| 下旬 | 31.7 | 14.7 | 20.8 | 9.5 | 1.6 | 56.0 | /// | /// | |
| 11月 | 上旬 | 23.1 | 13.0 | 19.4 | 7.6 | 1.5 | 52.4 | /// | /// |
| 中旬 | 26.1 | 11.0 | 17.0 | 5.7 | 1.6 | 45.0 | /// | /// | |
| 下旬 | 19.9 | 9.1 | 15.2 | 3.8 | 1.5 | 44.3 | /// | /// | |
| 12月 | 上旬 | 21.3 | 7.1 | 13.0 | 2.0 | 1.6 | 42.4 | /// | /// |
| 中旬 | 14.2 | 5.7 | 11.3 | 0.7 | 1.7 | 39.0 | /// | /// | |
| 下旬 | 18.3 | 5.0 | 10.8 | 0.0 | 1.7 | 47.5 | /// | /// | |