月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
根室（根室地方) 1997年（月ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 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 | ||||||||||||||
| -2.3 | 0.0 | 5.0 | 14 | -3.2 | 12 | -5.2 | -9.9 | 13 | -0.6 | 05 | 26 | 0 | 31 | 0 | 14 | 0 | 0 | 0 | 3.7 | 70 | 34 | 15 | |
| -3.0 | -0.6 | 5.7 | 25 | -3.5 | 27* | -5.8 | -9.2 | 06 | -1.0 | 17 | 26 | 0 | 28 | 0 | 19 | 0 | 0 | 0 | 3.5 | 71 | 37 | 15 | |
| -1.7 | 1.5 | 8.5 | 29 | -3.9 | 16 | -4.9 | -9.3 | 03 | -0.1 | 30 | 22 | 0 | 31 | 0 | 10 | 0 | 0 | 0 | 4.0 | 71 | 35 | 23* | |
| 4.3 | 8.3 | 18.8 | 28 | 1.4 | 24 | 1.1 | -3.5 | 03 | 7.5 | 28 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 6.1 | 74 | 24 | 13 | |
| 5.7 | 9.2 | 18.7 | 14 | 3.9 | 11 | 3.3 | 0.6 | 27 | 6.0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 84 | 27 | 05 | |
| 9.2 | 12.6 | 22.0 | 20 | 7.0 | 07 | 6.8 | 2.8 | 09 | 10.7 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.6 | 90 | 52 | 22 | |
| 16.2 | 20.4 | 26.5 | 31 | 14.4 | 07 | 12.9 | 8.5 | 01 | 18.1 | 28 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 16.6 | 89 | 56 | 21 | |
| 13.9 | 16.8 | 28.1 | 06 | 12.3 | 16 | 11.9 | 8.6 | 17 | 16.7 | 04 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 14.7 | 92 | 53 | 06 | |
| 14.7 | 17.4 | 24.3 | 05 | 12.4 | 28 | 12.6 | 9.1 | 25* | 15.8 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.4 | 86 | 46 | 10 | |
| 10.9 | 13.8 | 17.1 | 18 | 9.0 | 27 | 7.5 | 2.2 | 26 | 13.0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.1 | 76 | 36 | 22 | |
| 7.1 | 10.4 | 15.8 | 04 | 3.8 | 24 | 3.4 | -0.9 | 25 | 8.4 | 05 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 7.9 | 75 | 32 | 11 | |
| 0.4 | 3.3 | 9.8 | 20 | -2.4 | 03 | -3.1 | -8.0 | 24 | 3.9 | 09 | 15 | 0 | 26 | 0 | 4 | 0 | 0 | 0 | 4.5 | 68 | 24 | 03 | |