旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
倶知安（後志地方) 2009年（旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 旬 | 気温(℃) | 蒸気圧 (hPa) | 湿度(％) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 日平均 | 最高気温 | 最低気温 | 各階級の日数（平均） | 各階級の日数（最低） | 各階級の日数（最高） | |||||||||||||||||||
| 平均 | 平均 | 最高 | 最低 | 平均 | 最低 | 最高 | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ＜0℃ | ≧25℃ | ≧30℃ | ≧35℃ | 平均 | 平均 | 最小 | |||||||
| 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | 値 | 日 | |||||||||||||||
| 上旬 | -3.4 | -0.2 | 2.4 | 10 | -4.0 | 05 | -6.0 | -11.4 | 06 | -0.3 | 01 | 8 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | 4.1 | 83 | 52 | 08 | |
| 中旬 | -3.2 | 0.0 | 4.6 | 19 | -3.3 | 16 | -6.7 | -12.8 | 12 | -0.8 | 19 | 9 | 0 | 10 | 0 | 4 | 0 | 0 | 0 | 4.1 | 84 | 57 | 12 | |
| 下旬 | -4.0 | 0.0 | 8.7 | 23 | -5.5 | 27 | -9.8 | -18.8 | 26 | -1.5 | 29 | 9 | 0 | 11 | 0 | 7 | 0 | 0 | 0 | 3.8 | 79 | 48 | 30* | |
| 上旬 | -4.4 | -0.5 | 2.6 | 09 | -3.4 | 01 | -9.1 | -14.1 | 07 | -6.0 | 08 | 10 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | 3.4 | 77 | 45 | 02 | |
| 中旬 | -3.9 | -0.3 | 5.8 | 14 | -7.0 | 16 | -8.8 | -16.6 | 11 | 0.2 | 14 | 8 | 0 | 9 | 0 | 4 | 0 | 0 | 0 | 3.8 | 80 | 37 | 15 | |
| 下旬 | -3.8 | -0.7 | 2.3 | 27 | -3.0 | 26* | -7.3 | -12.4 | 23 | -3.8 | 25 | 8 | 0 | 8 | 0 | 5 | 0 | 0 | 0 | 3.6 | 75 | 40 | 28 | |
| 上旬 | -2.2 | 2.6 | 6.8 | 09 | -2.7 | 02 | -7.6 | -9.5 | 05 | -3.8 | 07 | 8 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | 3.8 | 72 | 34 | 08 | |
| 中旬 | 0.9 | 4.4 | 9.4 | 18 | -2.7 | 11 | -3.6 | -7.2 | 11 | 1.5 | 19 | 3 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | 5.1 | 77 | 40 | 18 | |
| 下旬 | -0.7 | 3.8 | 7.0 | 22 | -0.1 | 24 | -5.0 | -10.9 | 25 | -0.6 | 22 | 8 | 0 | 11 | 0 | 1 | 0 | 0 | 0 | 4.3 | 73 | 34 | 21 | |
| 上旬 | 3.3 | 8.5 | 12.1 | 09 | 4.9 | 01 | -3.1 | -6.3 | 08 | 2.6 | 05 | 1 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 5.2 | 69 | 31 | 07 | |
| 中旬 | 5.8 | 11.2 | 18.0 | 13 | 6.1 | 16 | 0.9 | -2.2 | 20 | 3.7 | 14 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5.6 | 62 | 18 | 20 | |
| 下旬 | 5.6 | 10.3 | 22.0 | 30 | 4.7 | 26 | 1.1 | -2.8 | 29 | 5.0 | 22 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 6.4 | 73 | 14 | 30 | |
| 上旬 | 12.7 | 19.7 | 23.2 | 07 | 15.6 | 01 | 5.2 | -0.1 | 06 | 11.4 | 04 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 9.0 | 63 | 13 | 09* | |
| 中旬 | 9.9 | 15.8 | 21.9 | 20 | 11.7 | 15 | 4.5 | -0.3 | 16 | 9.0 | 18 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.2 | 69 | 18 | 19 | |
| 下旬 | 13.3 | 18.9 | 27.6 | 21 | 13.7 | 31 | 8.3 | 3.6 | 21 | 13.6 | 22 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 10.9 | 73 | 18 | 21 | |
| 上旬 | 15.0 | 19.5 | 22.2 | 03 | 15.3 | 01 | 11.3 | 9.0 | 02 | 13.1 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.4 | 79 | 55 | 10* | |
| 中旬 | 13.8 | 17.7 | 22.8 | 12 | 12.9 | 14 | 11.2 | 9.4 | 19 | 13.0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.6 | 81 | 39 | 12 | |
| 下旬 | 19.6 | 25.2 | 29.3 | 28 | 20.2 | 30 | 14.9 | 13.1 | 25 | 17.1 | 29 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 16.3 | 72 | 38 | 28 | |
| 上旬 | 18.5 | 22.6 | 28.8 | 07 | 16.5 | 03 | 14.9 | 12.3 | 07 | 17.5 | 08 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 17.5 | 83 | 44 | 07 | |
| 中旬 | 17.8 | 21.3 | 25.5 | 12 | 18.1 | 18 | 14.7 | 10.9 | 17 | 17.0 | 15 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17.1 | 85 | 51 | 17 | |
| 下旬 | 19.5 | 23.9 | 27.0 | 31 | 18.6 | 21 | 16.9 | 13.3 | 21 | 19.5 | 26 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 19.8 | 87 | 62 | 30 | |
| 上旬 | 20.6 | 26.9 | 29.9 | 10 | 19.6 | 02 | 16.5 | 13.6 | 08 | 17.8 | 10 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 19.7 | 82 | 47 | 08 | |
| 中旬 | 21.0 | 25.3 | 30.1 | 11 | 21.2 | 19 | 18.0 | 16.8 | 16 | 19.1 | 14 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 20.3 | 82 | 51 | 12 | |
| 下旬 | 18.2 | 22.6 | 28.0 | 21 | 19.9 | 30 | 13.8 | 9.8 | 30 | 17.9 | 28* | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 16.0 | 77 | 34 | 29 | |
| 上旬 | 17.4 | 22.4 | 26.3 | 02 | 18.5 | 09 | 12.8 | 8.7 | 02 | 16.8 | 07 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 15.3 | 78 | 38 | 01 | |
| 中旬 | 14.7 | 20.9 | 24.1 | 12 | 17.9 | 20 | 9.2 | 5.8 | 18 | 11.8 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.1 | 80 | 38 | 20 | |
| 下旬 | 14.0 | 19.9 | 23.8 | 23 | 16.5 | 21 | 8.1 | 5.0 | 27 | 10.3 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.5 | 79 | 25 | 23 | |
| 上旬 | 11.3 | 16.8 | 21.0 | 01 | 11.8 | 08 | 6.0 | 2.0 | 10 | 12.6 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.6 | 79 | 39 | 01 | |
| 中旬 | 10.1 | 15.5 | 18.6 | 17 | 10.8 | 11 | 4.3 | -0.4 | 12 | 10.8 | 18 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 9.8 | 79 | 45 | 12 | |
| 下旬 | 8.2 | 12.6 | 16.2 | 26 | 5.1 | 31 | 3.3 | -0.5 | 31 | 7.3 | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.5 | 77 | 47 | 31* | |
| 上旬 | 5.6 | 10.4 | 18.2 | 08 | 1.6 | 02 | 1.1 | -4.8 | 02 | 9.0 | 08 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 7.9 | 83 | 49 | 06 | |
| 中旬 | 1.8 | 4.4 | 10.0 | 15 | 0.0 | 20 | -0.5 | -3.8 | 20 | 5.4 | 14 | 3 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 5.9 | 84 | 55 | 12 | |
| 下旬 | 1.1 | 4.2 | 8.2 | 24 | 0.4 | 21 | -2.0 | -4.5 | 25 | 1.1 | 23 | 2 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 5.4 | 81 | 50 | 24 | |
| 上旬 | -0.4 | 3.1 | 7.6 | 06 | 0.2 | 07* | -4.3 | -10.5 | 10 | -0.6 | 09 | 6 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 4.7 | 78 | 48 | 10 | |
| 中旬 | -5.0 | -2.1 | 5.5 | 12 | -6.0 | 15 | -8.6 | -14.4 | 18 | 1.3 | 12 | 9 | 0 | 9 | 0 | 7 | 0 | 0 | 0 | 3.6 | 82 | 55 | 13* | |
| 下旬 | -3.8 | -0.3 | 4.5 | 28 | -2.9 | 21 | -8.4 | -17.8 | 25 | -2.9 | 31 | 11 | 0 | 11 | 0 | 6 | 0 | 0 | 0 | 4.0 | 83 | 56 | 22* | |