月ごとの値
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函館（渡島地方) 1969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 | ||||||||||||||
| -4.8 | -1.3 | 5.7 | 19 | -6.8 | 15 | -8.9 | -13.4 | 02* | -2.3 | 27 | 28 | 0 | 31 | 0 | 22 | 0 | 0 | 0 | 3.5 | 78 | 47 | 30 | |
| -4.1 | -0.6 | 9.8 | 12 | -9.1 | 22 | -8.2 | -14.6 | 25 | 2.5 | 12 | 24 | 0 | 27 | 0 | 15 | 0 | 0 | 0 | 3.6 | 74 | 43 | 28 | |
| -0.9 | 3.4 | 16.5 | 26 | -4.3 | 10 | -5.2 | -12.6 | 04 | 2.5 | 26 | 18 | 0 | 27 | 0 | 6 | 0 | 0 | 0 | 4.3 | 71 | 32 | 26 | |
| 6.4 | 10.7 | 17.8 | 29 | 2.5 | 04 | 1.8 | -4.4 | 06 | 7.7 | 21 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 7.2 | 73 | 22 | 28 | |
| 10.9 | 16.1 | 24.4 | 04 | 10.3 | 28 | 5.7 | 1.3 | 02 | 12.3 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 | 74 | 29 | 18 | |
| 14.7 | 19.3 | 26.3 | 25 | 11.0 | 03 | 10.9 | 4.4 | 02 | 15.6 | 25 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 14.2 | 84 | 41 | 10 | |
| 19.4 | 23.5 | 30.6 | 18 | 15.1 | 10 | 16.0 | 9.4 | 07 | 20.1 | 26 | 0 | 0 | 0 | 0 | 0 | 11 | 1 | 0 | 19.5 | 85 | 48 | 27 | |
| 20.9 | 25.2 | 29.3 | 04 | 22.1 | 16 | 17.4 | 14.6 | 17 | 21.0 | 04 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 21.1 | 85 | 54 | 21 | |
| 16.5 | 22.3 | 27.5 | 16* | 15.8 | 30 | 11.6 | 2.8 | 30 | 20.3 | 04 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 15.3 | 77 | 40 | 19 | |
| 10.4 | 16.0 | 20.7 | 22 | 11.5 | 29 | 4.3 | 0.0 | 12 | 11.6 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 | 73 | 36 | 12 | |
| 4.9 | 9.1 | 18.0 | 10 | -1.6 | 28 | 0.3 | -8.9 | 29 | 7.0 | 01 | 5 | 0 | 15 | 0 | 1 | 0 | 0 | 0 | 6.9 | 75 | 43 | 03 | |
| -2.9 | 0.4 | 9.6 | 01 | -7.1 | 30 | -6.5 | -12.6 | 30 | 1.7 | 01 | 22 | 0 | 28 | 0 | 15 | 0 | 0 | 0 | 4.2 | 80 | 51 | 25* | |