平年値（旬ごとの値）
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函館（渡島地方) 平年値（旬ごとの値）
| 要素 | 海面気圧 (hPa) | 降水量 (mm) | 平均気温 (℃) | 日最高気温 (℃) | 日最低気温 (℃) | 相対湿度 (%) | 平均風速 (m/s) | 日照時間 (時) | 全天日射量 (MJ/㎡) | 降雪の深さ合計 (cm) | 最深積雪 (cm) | 雲量 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | |
| 1月 | 上旬 | 1012.6 | 28.4 | -1.8 | 1.3 | -5.2 | 73 | 3.9 | 30.2 | 5.7 | 30 | 21 | 8.0 @ |
| 中旬 | 1015.3 | 21.6 | -2.8 | 0.5 | -6.5 | 73 | 3.6 | 33.3 | 6.4 | 30 | 29 | 7.5 @ | |
| 下旬 | 1013.9 | 27.4 | -2.5 | 0.8 | -6.3 | 72 | 3.8 | 39.6 | 7.2 | 32 | 31 | 7.6 @ | |
| 2月 | 上旬 | 1013.4 | 20.0 | -2.6 | 0.8 | -6.3 | 72 | 3.7 | 37.5 | 8.2 | 30 | 36 | 7.8 @ |
| 中旬 | 1014.2 | 25.1 | -1.9 | 1.6 | -5.7 | 71 | 4.0 | 40.7 | 9.4 | 28 | 37 | 7.6 @ | |
| 下旬 | 1016.2 | 19.3 | -0.6 | 3.2 | -4.7 | 70 | 3.8 | 39.6 | 10.9 | 15 | 31 | 7.2 @ | |
| 3月 | 上旬 | 1014.4 | 26.9 | 0.1 | 3.8 | -3.7 | 69 | 4.1 | 47.2 | 11.5 | 21 | 26 | 7.2 @ |
| 中旬 | 1013.8 | 19.5 | 1.9 | 5.8 | -2.1 | 68 | 4.2 | 48.5 | 12.3 | 12 | 16 | 7.3 @ | |
| 下旬 | 1013.7 | 17.6 | 3.4 | 7.7 | -0.8 | 66 | 4.2 | 63.0 | 14.1 | 8 | 8 | 6.8 @ | |
| 4月 | 上旬 | 1013.3 | 16.7 | 5.5 | 10.1 | 1.2 | 66 | 4.0 | 58.8 | 15.1 | 1 | 1 | 6.7 @ |
| 中旬 | 1012.9 | 25.9 | 7.2 | 11.8 | 2.7 | 66 | 4.1 | 62.9 | 16.1 | 1 | 0 | 6.7 @ | |
| 下旬 | 1012.3 | 29.2 | 9.3 | 14.0 | 4.6 | 68 | 3.8 | 64.4 | 16.8 | --- | --- | 6.7 @ | |
| 5月 | 上旬 | 1011.7 | 35.0 | 10.9 | 15.6 | 6.4 | 70 | 3.9 | 64.3 | 17.4 | --- | --- | 7.0 @ |
| 中旬 | 1011.4 | 24.9 | 12.1 | 16.7 | 7.8 | 73 | 3.6 | 61.0 | 17.3 | --- | --- | 7.2 @ | |
| 下旬 | 1010.8 | 29.1 | 13.8 | 18.5 | 9.6 | 75 | 3.1 | 73.3 | 18.6 | --- | --- | 7.0 @ | |
| 6月 | 上旬 | 1010.9 | 22.9 | 14.9 | 19.4 | 11.1 | 77 | 3.2 | 64.0 | 18.8 | --- | --- | 7.4 @ |
| 中旬 | 1009.1 | 32.2 | 16.2 | 20.4 | 12.7 | 80 | 3.2 | 53.0 | 17.2 | --- | --- | 7.8 @ | |
| 下旬 | 1008.2 | 24.7 | 17.5 | 21.6 | 14.1 | 80 | 3.1 | 55.6 | 17.6 | --- | --- | 7.8 @ | |
| 7月 | 上旬 | 1008.3 | 41.1 | 18.9 | 22.7 | 15.8 | 82 | 3.0 | 43.8 | 15.5 | --- | --- | 8.3 @ |
| 中旬 | 1008.6 | 36.0 | 20.1 | 23.9 | 17.2 | 82 | 3.0 | 42.9 | 15.3 | --- | --- | 8.4 @ | |
| 下旬 | 1009.4 | 46.5 | 21.7 | 25.5 | 18.8 | 82 | 3.2 | 47.7 | 15.2 | --- | --- | 8.4 @ | |
| 8月 | 上旬 | 1009.9 | 41.7 | 22.5 | 26.3 | 19.5 | 81 | 3.0 | 48.5 | 15.2 | --- | --- | 7.9 @ |
| 中旬 | 1009.9 | 51.2 | 22.1 | 25.7 | 18.9 | 82 | 3.2 | 44.0 | 13.9 | --- | --- | 8.1 @ | |
| 下旬 | 1010.7 | 63.6 | 21.7 | 25.6 | 18.2 | 79 | 3.2 | 55.5 | 14.3 | --- | --- | 7.7 @ | |
| 9月 | 上旬 | 1011.5 | 50.3 | 20.8 | 24.9 | 17.0 | 79 | 3.4 | 50.7 | 13.5 | --- | --- | 7.5 @ |
| 中旬 | 1013.4 | 48.6 | 18.9 | 23.3 | 14.7 | 76 | 3.2 | 52.3 | 12.8 | --- | --- | 7.1 @ | |
| 下旬 | 1015.5 | 51.6 | 16.8 | 21.4 | 12.2 | 74 | 3.5 | 57.8 | 12.7 | --- | --- | 6.5 @ | |
| 10月 | 上旬 | 1015.6 | 43.7 | 14.8 | 19.3 | 10.2 | 74 | 3.5 | 52.6 | 11.0 | --- | --- | 6.6 @ |
| 中旬 | 1016.7 | 33.4 | 12.4 | 17.3 | 7.5 | 73 | 3.4 | 59.2 | 10.9 | --- | --- | 5.9 @ | |
| 下旬 | 1016.7 | 28.6 | 10.6 | 15.1 | 6.0 | 72 | 3.7 | 52.2 | 8.7 | --- | --- | 6.5 @ | |
| 11月 | 上旬 | 1016.5 | 33.7 | 8.6 | 12.8 | 4.0 | 71 | 3.8 | 41.1 | 7.1 | 2 | 1 | 6.8 @ |
| 中旬 | 1016.5 | 43.0 | 5.8 | 9.8 | 1.6 | 72 | 3.8 | 35.3 | 6.2 | 6 | 4 | 7.5 @ | |
| 下旬 | 1017.3 | 34.1 | 3.6 | 7.2 | -0.2 | 72 | 3.9 | 32.9 | 5.6 | 11 | 7 | 7.5 @ | |
| 12月 | 上旬 | 1016.4 | 31.3 | 1.3 | 4.7 | -2.2 | 73 | 3.9 | 30.3 | 5.2 | 20 | 11 | 7.8 @ |
| 中旬 | 1015.2 | 30.0 | -0.5 | 2.7 | -4.0 | 74 | 3.8 | 28.7 | 5.1 | 29 | 16 | 7.7 @ | |
| 下旬 | 1013.6 | 33.3 | -1.0 | 2.2 | -4.5 | 74 | 3.9 | 32.5 | 5.2 | 30 | 18 | 7.8 @ | |
- 「@」の付いた値は、参考値です。平年差や平年比に利用できません。