旬ごとの値
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岩見沢（空知地方) 1998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 | -7.7 | -4.8 | -0.2 | 03 | -9.4 | 08 | -10.9 | -15.3 | 09 | -6.8 | 01 | 10 | 0 | 10 | 0 | 10 | 0 | 0 | 0 | 2.9 | 82 | 52 | 06 | |
| 中旬 | -7.8 | -4.1 | 0.4 | 19 | -7.6 | 12 | -12.2 | -15.2 | 17* | -8.8 | 18 | 10 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | 2.8 | 80 | 44 | 19 | |
| 下旬 | -8.4 | -4.7 | 0.3 | 31 | -7.4 | 24 | -13.2 | -19.1 | 24 | -7.5 | 31 | 11 | 0 | 11 | 0 | 10 | 0 | 0 | 0 | 2.7 | 81 | 46 | 27 | |
| 上旬 | -7.1 | -3.8 | -0.3 | 09 | -9.0 | 07 | -11.9 | -23.0 | 07 | -6.4 | 10* | 10 | 0 | 10 | 0 | 10 | 0 | 0 | 0 | 2.9 | 79 | 48 | 04 | |
| 中旬 | -5.0 | -0.8 | 4.1 | 19 | -4.5 | 15 | -10.8 | -17.0 | 18 | -4.2 | 13 | 10 | 0 | 10 | 0 | 6 | 0 | 0 | 0 | 3.3 | 76 | 46 | 20* | |
| 下旬 | -4.2 | 0.6 | 4.3 | 26 | -6.4 | 21 | -9.9 | -17.2 | 22 | -1.6 | 27 | 6 | 0 | 8 | 0 | 3 | 0 | 0 | 0 | 3.5 | 72 | 36 | 21 | |
| 上旬 | -2.0 | 2.6 | 5.2 | 06 | 0.0 | 10* | -7.9 | -10.5 | 10 | -5.9 | 06 | 9 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 4.1 | 76 | 46 | 10 | |
| 中旬 | -0.3 | 3.7 | 7.4 | 20 | -2.0 | 16 | -4.8 | -10.3 | 16 | 1.1 | 13 | 5 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | 4.6 | 74 | 39 | 15 | |
| 下旬 | 2.2 | 6.8 | 13.9 | 29 | 1.5 | 22 | -2.2 | -5.3 | 23 | 1.6 | 29 | 4 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 4.9 | 68 | 21 | 26 | |
| 上旬 | 4.8 | 10.8 | 18.6 | 07 | 3.8 | 01 | -0.7 | -3.4 | 03 | 1.2 | 08 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 5.7 | 68 | 16 | 09 | |
| 中旬 | 7.8 | 13.8 | 22.1 | 20 | 8.2 | 16 | 2.6 | -2.6 | 12 | 7.0 | 13 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 7.7 | 74 | 22 | 12 | |
| 下旬 | 10.6 | 16.5 | 24.7 | 22 | 9.8 | 26 | 5.8 | 0.7 | 28 | 13.8 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 72 | 19 | 29 | |
| 上旬 | 10.3 | 16.4 | 23.2 | 06 | 8.5 | 08 | 3.7 | 0.8 | 01 | 6.2 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 66 | 15 | 01 | |
| 中旬 | 13.2 | 19.3 | 27.8 | 16 | 14.2 | 13 | 7.8 | -0.2 | 11 | 15.6 | 18 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 11.6 | 77 | 25 | 16* | |
| 下旬 | 13.6 | 20.4 | 23.7 | 26 | 14.9 | 25 | 7.1 | 4.5 | 22 | 10.3 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.1 | 73 | 26 | 26 | |
| 上旬 | 12.0 | 17.9 | 22.1 | 10 | 12.8 | 04 | 7.3 | 4.2 | 02 | 11.6 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.6 | 76 | 39 | 06 | |
| 中旬 | 15.2 | 19.7 | 26.3 | 19 | 15.1 | 20 | 11.5 | 9.5 | 20* | 13.7 | 15 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 13.7 | 81 | 37 | 19 | |
| 下旬 | 17.2 | 22.7 | 25.7 | 28* | 18.1 | 21 | 12.8 | 8.7 | 24 | 18.1 | 27 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 16.0 | 81 | 45 | 23 | |
| 上旬 | 19.4 | 23.3 | 27.2 | 06 | 19.8 | 03 | 16.5 | 14.8 | 04 | 18.4 | 09 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 19.8 | 88 | 51 | 06 | |
| 中旬 | 17.9 | 24.1 | 27.5 | 19 | 18.9 | 12 | 13.7 | 10.4 | 13 | 16.4 | 19 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 16.5 | 81 | 45 | 19 | |
| 下旬 | 21.0 | 25.3 | 30.8 | 27 | 21.0 | 31 | 18.0 | 15.7 | 31 | 20.6 | 25 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 0 | 21.9 | 88 | 48 | 22 | |
| 上旬 | 19.8 | 24.6 | 28.8 | 05 | 22.2 | 03 | 16.4 | 12.9 | 09 | 19.4 | 05 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 19.3 | 83 | 49 | 09 | |
| 中旬 | 19.7 | 23.3 | 27.1 | 20 | 17.5 | 16 | 17.2 | 15.3 | 15 | 18.8 | 20 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 20.1 | 88 | 57 | 18 | |
| 下旬 | 21.0 | 25.0 | 27.6 | 24 | 20.8 | 30 | 18.0 | 15.3 | 23 | 20.8 | 25 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 21.6 | 87 | 46 | 21 | |
| 上旬 | 20.1 | 25.2 | 27.5 | 10 | 22.8 | 08 | 16.3 | 14.2 | 05 | 18.5 | 08 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 19.1 | 82 | 41 | 10 | |
| 中旬 | 18.1 | 22.7 | 28.1 | 11 | 17.9 | 16 | 13.5 | 8.2 | 14 | 17.9 | 15 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 17.1 | 83 | 36 | 20 | |
| 下旬 | 16.9 | 22.3 | 27.3 | 21 | 19.4 | 24 | 12.0 | 6.2 | 29 | 16.5 | 21 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16.2 | 83 | 36 | 28 | |
| 上旬 | 12.2 | 17.1 | 20.1 | 06 | 13.1 | 08 | 7.7 | 4.0 | 07 | 12.0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.7 | 83 | 37 | 07 | |
| 中旬 | 13.9 | 19.2 | 21.4 | 13 | 13.3 | 20 | 8.8 | 4.8 | 11 | 15.5 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.0 | 81 | 40 | 12 | |
| 下旬 | 9.8 | 15.0 | 16.3 | 29 | 12.5 | 23 | 5.5 | 2.8 | 23 | 7.2 | 29* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 79 | 40 | 30 | |
| 上旬 | 6.2 | 10.8 | 15.5 | 04 | 2.8 | 10 | 2.0 | -2.0 | 06 | 5.4 | 01 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 7.7 | 80 | 40 | 02 | |
| 中旬 | 1.1 | 4.3 | 12.2 | 13 | -2.1 | 19 | -2.2 | -10.5 | 20 | 1.7 | 16 | 3 | 0 | 7 | 0 | 2 | 0 | 0 | 0 | 5.7 | 83 | 37 | 14 | |
| 下旬 | -1.9 | 0.9 | 4.0 | 25 | -2.3 | 21 | -5.2 | -8.6 | 21 | -2.5 | 27 | 9 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | 4.7 | 88 | 51 | 21 | |
| 上旬 | -4.3 | -0.9 | 7.2 | 08 | -5.5 | 03 | -7.7 | -12.2 | 07 | -1.0 | 08 | 9 | 0 | 10 | 0 | 8 | 0 | 0 | 0 | 3.8 | 83 | 53 | 08 | |
| 中旬 | -1.0 | 2.0 | 6.1 | 16 | -3.8 | 11 | -3.9 | -8.9 | 18 | 1.0 | 13 | 5 | 0 | 7 | 0 | 3 | 0 | 0 | 0 | 4.8 | 82 | 58 | 17* | |
| 下旬 | -4.2 | -1.4 | 2.3 | 29 | -4.5 | 31 | -8.2 | -12.3 | 29 | -3.6 | 23 | 11 | 0 | 11 | 0 | 9 | 0 | 0 | 0 | 4.0 | 88 | 58 | 30 | |