平年値（旬ごとの値）
 |
 |  |
 |  |  |  |
南大東（南大東島）（沖縄県) 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～ 2016 | |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 26 | |
| 1月 | 上旬 | 1019.6 | 21.7 | 18.3 | 21.5 | 14.8 | 69 | 4.4 | 40.4 | 10.2 | --- | --- | 7.1 @ |
| 中旬 | 1019.2 | 28.0 | 18.2 | 21.3 | 14.8 | 69 | 4.6 | 39.0 | 10.5 | --- | --- | 7.2 @ | |
| 下旬 | 1019.3 | 27.4 | 17.7 | 20.7 | 14.4 | 69 | 4.7 | 42.0 | 10.7 | --- | --- | 7.2 @ | |
| 2月 | 上旬 | 1019.1 | 31.2 | 17.6 | 20.7 | 14.0 | 70 | 4.5 | 39.9 | 11.4 | --- | --- | 7.0 @ |
| 中旬 | 1018.9 | 29.4 | 18.2 | 21.3 | 14.9 | 71 | 4.7 | 41.9 | 12.4 | --- | --- | 7.2 @ | |
| 下旬 | 1018.8 | 19.3 | 18.7 | 21.8 | 15.7 | 72 | 4.5 | 38.5 | 14.0 | --- | --- | 6.6 @ | |
| 3月 | 上旬 | 1017.6 | 26.7 | 18.8 | 22.0 | 15.6 | 72 | 4.6 | 44.3 | 14.1 | --- | --- | 6.9 @ |
| 中旬 | 1017.5 | 30.9 | 19.4 | 22.5 | 16.3 | 74 | 4.5 | 50.4 | 15.5 | --- | --- | 6.6 @ | |
| 下旬 | 1016.7 | 26.6 | 20.2 | 23.2 | 17.2 | 75 | 4.5 | 59.3 | 16.7 | --- | --- | 6.8 @ | |
| 4月 | 上旬 | 1015.9 | 32.9 | 20.7 | 23.8 | 17.8 | 76 | 4.5 | 51.7 | 17.1 | --- | --- | 7.0 @ |
| 中旬 | 1014.7 | 48.5 | 21.5 | 24.6 | 18.7 | 79 | 4.5 | 53.6 | 17.7 | --- | --- | 7.0 @ | |
| 下旬 | 1014.2 | 32.2 | 22.5 | 25.5 | 20.0 | 80 | 4.5 | 48.2 | 17.5 | --- | --- | 7.6 @ | |
| 5月 | 上旬 | 1013.0 | 39.7 | 23.4 | 26.4 | 20.7 | 82 | 4.3 | 61.8 | 19.7 | --- | --- | 7.0 @ |
| 中旬 | 1011.7 | 63.6 | 24.1 | 27.0 | 21.4 | 84 | 4.2 | 53.7 | 18.4 | --- | --- | 7.3 @ | |
| 下旬 | 1010.1 | 118.8 | 24.6 | 27.3 | 22.3 | 85 | 4.2 | 54.9 | 18.0 | --- | --- | 7.9 @ | |
| 6月 | 上旬 | 1009.2 | 97.1 | 25.8 | 28.4 | 23.7 | 88 | 4.2 | 56.8 | 19.2 | --- | --- | 7.9 @ |
| 中旬 | 1009.9 | 87.5 | 26.9 | 29.4 | 24.9 | 88 | 4.5 | 65.5 | 20.0 | --- | --- | 7.8 @ | |
| 下旬 | 1011.1 | 15.0 | 28.2 | 31.0 | 26.0 | 85 | 4.2 | 96.9 | 24.9 | --- | --- | 5.9 @ | |
| 7月 | 上旬 | 1010.4 | 27.2 | 28.7 | 31.7 | 26.2 | 82 | 4.6 | 95.6 | 24.5 | --- | --- | 6.0 @ |
| 中旬 | 1009.8 | 36.9 | 28.6 | 31.7 | 25.8 | 81 | 4.3 | 89.8 | 23.2 | --- | --- | 6.1 @ | |
| 下旬 | 1008.6 | 53.9 | 28.7 | 31.8 | 25.8 | 80 | 4.5 | 93.4 | 22.5 | --- | --- | 6.0 @ | |
| 8月 | 上旬 | 1006.9 | 71.5 | 28.6 | 31.5 | 25.9 | 82 | 5.3 | 74.4 | 20.6 | --- | --- | 6.7 @ |
| 中旬 | 1008.1 | 39.1 | 28.6 | 31.8 | 26.0 | 81 | 4.3 | 85.9 | 22.3 | --- | --- | 5.9 @ | |
| 下旬 | 1008.4 | 40.5 | 28.5 | 31.6 | 25.7 | 80 | 4.4 | 88.9 | 21.1 | --- | --- | 5.7 @ | |
| 9月 | 上旬 | 1008.4 | 65.8 | 28.2 | 31.4 | 25.4 | 81 | 4.6 | 76.7 | 20.1 | --- | --- | 5.7 @ |
| 中旬 | 1008.9 | 56.9 | 28.0 | 31.1 | 25.1 | 80 | 4.8 | 74.5 | 19.3 | --- | --- | 6.0 @ | |
| 下旬 | 1010.6 | 45.3 | 27.4 | 30.5 | 24.5 | 79 | 4.7 | 69.2 | 18.2 | --- | --- | 6.1 @ | |
| 10月 | 上旬 | 1011.4 | 54.1 | 26.7 | 29.9 | 23.8 | 79 | 4.6 | 62.9 | 16.5 | --- | --- | 6.3 @ |
| 中旬 | 1012.5 | 52.8 | 25.9 | 28.8 | 23.3 | 78 | 4.9 | 54.5 | 14.8 | --- | --- | 6.6 @ | |
| 下旬 | 1014.0 | 73.7 | 24.9 | 27.8 | 22.1 | 76 | 4.9 | 61.8 | 14.2 | --- | --- | 6.3 @ | |
| 11月 | 上旬 | 1016.3 | 26.3 | 24.1 | 26.9 | 21.6 | 75 | 4.9 | 50.2 | 12.9 | --- | --- | 6.5 @ |
| 中旬 | 1017.1 | 45.9 | 23.0 | 25.7 | 20.3 | 74 | 4.7 | 42.7 | 11.1 | --- | --- | 7.1 @ | |
| 下旬 | 1017.6 | 48.8 | 22.1 | 24.8 | 19.3 | 73 | 5.0 | 43.5 | 10.8 | --- | --- | 6.7 @ | |
| 12月 | 上旬 | 1018.7 | 38.0 | 20.9 | 23.6 | 18.0 | 70 | 5.0 | 39.9 | 10.0 | --- | --- | 6.6 @ |
| 中旬 | 1019.7 | 37.5 | 19.7 | 22.5 | 16.7 | 71 | 4.8 | 36.5 | 9.3 | --- | --- | 7.2 @ | |
| 下旬 | 1019.2 | 49.2 | 18.7 | 21.8 | 15.2 | 70 | 4.5 | 44.4 | 9.8 | --- | --- | 6.7 @ | |
- 「@」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。