平年値（旬ごとの値）
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今岡（岡山県) 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 | 1991～ 2020 | 1991～ 2020 | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
| 1月 | 上旬 | 22.5 | 1.9 | 6.9 | -1.9 | 0.9 | 35.9 | 11 | 6 |
| 中旬 | 23.8 | 1.8 | 6.8 | -2.3 | 1.0 | 34.7 | 11 | 8 | |
| 下旬 | 27.6 | 1.2 | 6.1 | -2.8 | 1.0 | 37.1 | 18 | 11 | |
| 2月 | 上旬 | 24.1 | 1.4 | 6.5 | -2.8 | 1.1 | 39.4 | 18 | 10 |
| 中旬 | 29.3 | 2.5 | 7.8 | -2.0 | 1.2 | 40.1 | 9 | 7 | |
| 下旬 | 28.3 | 3.5 | 9.2 | -1.5 | 1.3 | 37.7 | 9 | 4 | |
| 3月 | 上旬 | 37.8 | 4.7 | 10.4 | -0.2 | 1.3 | 45.3 | 2 | 2 |
| 中旬 | 36.6 | 5.9 | 12.3 | 0.2 | 1.5 | 52.7 | 1 | 1 | |
| 下旬 | 42.1 | 7.3 | 13.6 | 1.4 | 1.4 | 58.1 | 1 | 1 | |
| 4月 | 上旬 | 38.0 | 9.8 | 16.6 | 3.4 | 1.5 | 61.7 | 0 | 0 |
| 中旬 | 46.5 | 11.7 | 18.5 | 5.1 | 1.5 | 64.9 | 0 | 0 | |
| 下旬 | 42.5 | 13.4 | 20.2 | 6.9 | 1.5 | 67.2 | 0 | 0 | |
| 5月 | 上旬 | 49.7 | 15.7 | 22.5 | 9.3 | 1.5 | 64.6 | 0 | 0 |
| 中旬 | 65.1 | 16.5 | 23.1 | 10.2 | 1.4 | 66.4 | 0 | 0 | |
| 下旬 | 50.0 | 18.1 | 24.6 | 12.2 | 1.4 | 73.9 | 0 | 0 | |
| 6月 | 上旬 | 40.8 | 19.5 | 25.6 | 13.9 | 1.3 | 62.3 | 0 | 0 |
| 中旬 | 65.7 | 20.9 | 26.3 | 16.1 | 1.2 | 50.7 | 0 | 0 | |
| 下旬 | 87.1 | 22.2 | 27.0 | 18.3 | 1.1 | 36.4 | 0 | 0 | |
| 7月 | 上旬 | 109.5 | 23.6 | 28.3 | 19.8 | 1.1 | 37.8 | 0 | 0 |
| 中旬 | 90.1 | 24.6 | 29.7 | 20.7 | 1.1 | 45.4 | 0 | 0 | |
| 下旬 | 53.1 | 25.8 | 31.5 | 21.6 | 1.2 | 67.3 | 0 | 0 | |
| 8月 | 上旬 | 57.2 | 26.2 | 32.2 | 21.9 | 1.3 | 65.7 | 0 | 0 |
| 中旬 | 52.1 | 25.7 | 31.5 | 21.5 | 1.2 | 59.8 | 0 | 0 | |
| 下旬 | 54.3 | 24.7 | 30.6 | 20.3 | 1.1 | 62.7 | 0 | 0 | |
| 9月 | 上旬 | 66.9 | 23.3 | 29.0 | 19.0 | 1.2 | 52.9 | 0 | 0 |
| 中旬 | 56.9 | 21.7 | 27.3 | 17.2 | 1.1 | 49.7 | 0 | 0 | |
| 下旬 | 68.5 | 19.3 | 25.0 | 14.5 | 1.1 | 48.1 | 0 | 0 | |
| 10月 | 上旬 | 35.4 | 17.5 | 23.4 | 12.5 | 1.1 | 50.6 | 0 | 0 |
| 中旬 | 33.0 | 15.3 | 21.7 | 10.0 | 1.1 | 53.1 | 0 | 0 | |
| 下旬 | 40.8 | 13.0 | 19.3 | 7.7 | 1.0 | 56.4 | 0 | 0 | |
| 11月 | 上旬 | 24.5 | 11.2 | 17.6 | 5.9 | 1.0 | 50.1 | 0 | 0 |
| 中旬 | 29.5 | 9.2 | 15.0 | 4.3 | 1.0 | 41.6 | 0 | 0 | |
| 下旬 | 16.9 | 7.1 | 13.2 | 2.1 | 1.0 | 42.9 | 0 | 0 | |
| 12月 | 上旬 | 25.1 | 5.2 | 11.0 | 0.5 | 1.0 | 44.0 | 2 | 1 |
| 中旬 | 20.6 | 3.6 | 8.8 | -0.7 | 0.9 | 38.5 | 4 | 3 | |
| 下旬 | 30.1 | 2.7 | 7.8 | -1.3 | 0.9 | 38.9 | 13 | 10 | |