旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
倶知安（後志地方) 1979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 | 1.4 | 5.4 | 08 | -3.8 | 06 | -8.8 | -12.9 | 04 | -4.7 | 07 | 8 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | 3.5 | 72 | 46 | 05 | |
| 中旬 | -8.6 | -6.9 | -1.4 | 17 | -11.6 | 12 | -10.1 | -14.0 | 11 | -5.6 | 18 | 10 | 0 | 10 | 0 | 10 | 0 | 0 | 0 | 2.5 | 78 | 43 | 17 | |
| 下旬 | -7.8 | -3.8 | 2.1 | 26 | -9.4 | 28 | -13.7 | -20.4 | 29 | -7.0 | 31 | 11 | 0 | 11 | 0 | 9 | 0 | 0 | 0 | 2.7 | 75 | 45 | 24 | |
| 上旬 | -4.4 | -0.7 | 4.7 | 01 | -6.0 | 08 | -10.2 | -16.9 | 09 | -3.0 | 01 | 9 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | 3.6 | 79 | 47 | 07 | |
| 中旬 | -5.7 | -2.1 | 5.0 | 11 | -8.3 | 16 | -9.9 | -14.2 | 14 | -6.7 | 11 | 10 | 0 | 10 | 0 | 7 | 0 | 0 | 0 | 3.1 | 76 | 45 | 20 | |
| 下旬 | -3.0 | 1.8 | 6.2 | 21 | -2.9 | 22 | -8.0 | -17.0 | 24 | -3.1 | 27 | 7 | 0 | 8 | 0 | 1 | 0 | 0 | 0 | 3.6 | 72 | 32 | 24 | |
| 上旬 | -2.5 | 0.8 | 2.9 | 09 | -1.7 | 01 | -6.2 | -9.9 | 03 | -2.6 | 09 | 9 | 0 | 10 | 0 | 5 | 0 | 0 | 0 | 3.8 | 74 | 40 | 07 | |
| 中旬 | -4.0 | 0.7 | 3.9 | 20 | -2.9 | 12 | -10.3 | -16.6 | 15 | -3.8 | 11 | 10 | 0 | 10 | 0 | 3 | 0 | 0 | 0 | 3.6 | 75 | 43 | 17 | |
| 下旬 | -1.1 | 3.3 | 7.1 | 30 | -1.2 | 22 | -6.1 | -15.5 | 23 | -1.5 | 27* | 6 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | 4.2 | 72 | 27 | 29 | |
| 上旬 | 0.6 | 5.5 | 11.4 | 08 | -0.4 | 03 | -5.4 | -11.3 | 02 | 1.8 | 09 | 6 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | 4.7 | 72 | 30 | 10 | |
| 中旬 | 2.1 | 6.3 | 10.3 | 20 | 3.2 | 12 | -2.5 | -5.8 | 19 | 0.4 | 17 | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 4.9 | 67 | 29 | 15 | |
| 下旬 | 4.9 | 9.2 | 11.3 | 29 | 7.3 | 23 | 0.5 | -2.3 | 21 | 3.3 | 24 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 6.6 | 76 | 37 | 21 | |
| 上旬 | 9.4 | 15.5 | 21.0 | 06 | 9.4 | 02 | 3.3 | -0.6 | 08 | 6.9 | 09 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7.8 | 68 | 19 | 08 | |
| 中旬 | 7.3 | 11.6 | 14.4 | 13 | 9.1 | 16 | 3.4 | -1.5 | 12 | 5.5 | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7.7 | 75 | 26 | 11 | |
| 下旬 | 11.1 | 16.9 | 24.0 | 27 | 9.2 | 30* | 4.8 | 0.0 | 31 | 7.6 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 67 | 27 | 27 | |
| 上旬 | 15.5 | 21.0 | 25.0 | 07 | 17.4 | 10 | 10.4 | 2.2 | 02 | 16.4 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 12.2 | 70 | 26 | 03* | |
| 中旬 | 16.3 | 21.5 | 25.4 | 20 | 10.8 | 12 | 9.9 | 3.2 | 14 | 16.2 | 17 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 13.7 | 73 | 20 | 14 | |
| 下旬 | 16.7 | 21.2 | 24.4 | 22 | 17.3 | 26 | 12.9 | 7.3 | 25 | 17.3 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.2 | 80 | 30 | 24 | |
| 上旬 | 16.4 | 21.8 | 28.1 | 10 | 16.2 | 04 | 11.9 | 5.0 | 06 | 15.5 | 07 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 14.8 | 80 | 34 | 06 | |
| 中旬 | 17.2 | 23.7 | 28.7 | 11 | 18.7 | 16 | 10.5 | 7.3 | 20 | 13.6 | 15 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 14.1 | 71 | 42 | 17 | |
| 下旬 | 20.5 | 25.4 | 29.2 | 31 | 18.5 | 25 | 16.9 | 13.1 | 21 | 19.8 | 30 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 19.6 | 82 | 46 | 21 | |
| 上旬 | 19.2 | 23.3 | 25.5 | 03 | 19.9 | 06 | 15.2 | 10.2 | 04 | 19.9 | 01 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 18.0 | 81 | 45 | 04 | |
| 中旬 | 22.9 | 28.6 | 31.2 | 17 | 23.8 | 20 | 18.0 | 12.2 | 20 | 21.7 | 17 | 0 | 2 | 0 | 0 | 0 | 8 | 3 | 0 | 21.1 | 75 | 43 | 19 | |
| 下旬 | 17.9 | 24.2 | 29.0 | 22 | 22.3 | 29 | 11.4 | 6.2 | 25 | 17.6 | 27 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 15.0 | 73 | 27 | 24 | |
| 上旬 | 17.0 | 22.8 | 25.2 | 01 | 19.9 | 09 | 11.9 | 8.5 | 01 | 18.9 | 02 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14.8 | 77 | 28 | 08 | |
| 中旬 | 14.1 | 20.2 | 23.1 | 12 | 17.3 | 16 | 7.5 | 2.9 | 17 | 13.3 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.8 | 79 | 35 | 12 | |
| 下旬 | 12.3 | 18.5 | 22.8 | 21 | 15.5 | 27 | 6.2 | 0.8 | 26 | 11.5 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.9 | 75 | 41 | 29* | |
| 上旬 | 12.2 | 17.7 | 21.5 | 04 | 14.6 | 07 | 7.1 | 1.1 | 10 | 14.2 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.8 | 81 | 41 | 02 | |
| 中旬 | 11.4 | 17.9 | 20.1 | 18 | 13.2 | 19 | 6.1 | 0.3 | 13 | 10.0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.8 | 80 | 30 | 12 | |
| 下旬 | 8.1 | 12.8 | 18.9 | 27 | 3.9 | 31 | 3.6 | -0.7 | 31 | 9.1 | 24 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.1 | 73 | 33 | 27 | |
| 上旬 | 5.2 | 10.2 | 17.0 | 05 | 4.3 | 07 | -0.2 | -4.8 | 09 | 9.5 | 05 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6.5 | 70 | 23 | 09 | |
| 中旬 | 0.3 | 3.3 | 15.2 | 11 | -3.5 | 14 | -2.7 | -7.2 | 14 | 5.2 | 11 | 4 | 0 | 9 | 0 | 2 | 0 | 0 | 0 | 5.3 | 80 | 44 | 17* | |
| 下旬 | 3.1 | 7.3 | 12.5 | 29 | 1.9 | 24 | -1.2 | -10.4 | 21 | 4.6 | 29* | 3 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6.0 | 75 | 50 | 22 | |
| 上旬 | 1.5 | 4.4 | 10.8 | 06 | -0.6 | 02 | -1.3 | -4.4 | 10 | 3.0 | 05 | 2 | 0 | 8 | 0 | 1 | 0 | 0 | 0 | 5.7 | 82 | 54 | 03 | |
| 中旬 | -0.6 | 3.2 | 10.0 | 20 | -0.1 | 13 | -5.0 | -13.4 | 18 | 1.1 | 20 | 8 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | 4.8 | 80 | 51 | 20 | |
| 下旬 | -4.9 | -1.1 | 2.9 | 31 | -7.0 | 23 | -8.6 | -13.8 | 24 | -3.7 | 21 | 11 | 0 | 11 | 0 | 7 | 0 | 0 | 0 | 3.4 | 78 | 46 | 21 | |