平年値（旬ごとの値）
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大月（山梨県) 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 | 11.2 | 2.1 | 9.2 | -3.2 | 1.5 | 67.0 | /// | /// |
| 中旬 | 18.1 | 1.6 | 8.2 | -3.3 | 1.4 | 62.6 | /// | /// | |
| 下旬 | 23.7 | 1.6 | 8.2 | -3.5 | 1.5 | 72.5 | /// | /// | |
| 2月 | 上旬 | 11.3 | 2.1 | 8.8 | -3.2 | 1.5 | 67.7 | /// | /// |
| 中旬 | 18.3 | 3.0 | 9.9 | -2.5 | 1.5 | 66.7 | /// | /// | |
| 下旬 | 13.8 | 4.2 | 10.9 | -1.3 | 1.6 | 54.6 | /// | /// | |
| 3月 | 上旬 | 35.5 | 5.3 | 11.6 | 0.0 | 1.5 | 57.3 | /// | /// |
| 中旬 | 17.8 | 6.8 | 13.6 | 0.9 | 1.6 | 64.9 | /// | /// | |
| 下旬 | 36.6 | 8.0 | 14.6 | 2.1 | 1.5 | 66.3 | /// | /// | |
| 4月 | 上旬 | 32.3 | 10.3 | 17.2 | 3.9 | 1.5 | 65.2 | /// | /// |
| 中旬 | 33.5 | 12.2 | 19.0 | 6.1 | 1.4 | 60.5 | /// | /// | |
| 下旬 | 21.9 | 13.9 | 20.9 | 7.6 | 1.3 | 64.2 | /// | /// | |
| 5月 | 上旬 | 28.1 | 15.9 | 22.9 | 9.7 | 1.2 | 64.2 | /// | /// |
| 中旬 | 31.3 | 16.6 | 23.1 | 10.9 | 1.1 | 60.5 | /// | /// | |
| 下旬 | 42.1 | 18.1 | 24.7 | 12.6 | 1.0 | 68.7 | /// | /// | |
| 6月 | 上旬 | 33.5 | 19.1 | 25.1 | 14.0 | 0.9 | 55.2 | /// | /// |
| 中旬 | 55.8 | 20.4 | 25.9 | 16.2 | 0.9 | 44.9 | /// | /// | |
| 下旬 | 54.3 | 21.6 | 26.7 | 17.8 | 0.8 | 37.0 | /// | /// | |
| 7月 | 上旬 | 61.4 | 23.2 | 28.6 | 19.1 | 0.9 | 43.4 | /// | /// |
| 中旬 | 54.1 | 24.3 | 30.2 | 20.0 | 0.9 | 50.1 | /// | /// | |
| 下旬 | 63.8 | 25.0 | 31.0 | 20.7 | 0.9 | 64.3 | /// | /// | |
| 8月 | 上旬 | 47.0 | 25.6 | 31.9 | 21.0 | 0.9 | 68.4 | /// | /// |
| 中旬 | 65.1 | 25.2 | 31.1 | 20.9 | 0.9 | 59.3 | /// | /// | |
| 下旬 | 67.2 | 24.4 | 30.2 | 20.2 | 0.9 | 60.6 | /// | /// | |
| 9月 | 上旬 | 86.8 | 23.2 | 28.8 | 19.2 | 0.9 | 50.8 | /// | /// |
| 中旬 | 73.0 | 21.3 | 26.7 | 17.3 | 0.9 | 44.3 | /// | /// | |
| 下旬 | 78.6 | 18.7 | 23.8 | 14.7 | 0.8 | 38.0 | /// | /// | |
| 10月 | 上旬 | 82.1 | 17.4 | 22.5 | 13.6 | 0.8 | 40.6 | /// | /// |
| 中旬 | 67.0 | 15.3 | 20.6 | 11.2 | 0.9 | 45.0 | /// | /// | |
| 下旬 | 55.8 | 13.1 | 18.8 | 8.6 | 0.9 | 54.1 | /// | /// | |
| 11月 | 上旬 | 18.6 | 11.2 | 17.7 | 6.3 | 1.0 | 56.8 | /// | /// |
| 中旬 | 26.7 | 9.2 | 15.6 | 4.2 | 1.1 | 51.4 | /// | /// | |
| 下旬 | 23.5 | 7.5 | 14.0 | 2.5 | 1.2 | 54.8 | /// | /// | |
| 12月 | 上旬 | 16.7 | 5.7 | 12.3 | 0.6 | 1.3 | 54.4 | /// | /// |
| 中旬 | 10.7 | 4.0 | 10.9 | -1.1 | 1.4 | 58.7 | /// | /// | |
| 下旬 | 16.2 | 2.9 | 9.9 | -2.3 | 1.4 | 68.4 | /// | /// | |