平年値（年・月ごとの値）
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南大東（南大東島）（沖縄県) 平年値（年・月ごとの値） 主な要素
| 要素 | 気圧 | 降水量 | 気温 | 蒸気圧 | 相対湿度 | 風向・風速 | 日照時間 | 全天日射量 | 雪 | 雲量 | 大気現象 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地平均 (hPa) | 海面平均 (hPa) | 合計 (mm) | 平均 (℃) | 日最高 (℃) | 日最低 (℃) | 平均 (hPa) | 平均 (％) | 平均 (m/s) | 最多風向 | 合計 (時) | 平均 (MJ/㎡) | 降雪の深さ | 最深積雪 (cm) | 平均 | 雪日数 | 霧日数 | 雷日数 | ||
| 合計 (cm) | 日合計の最大 (cm) | ||||||||||||||||||
| 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 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2016 | 1991～ 2016 | 1991～ 2016 | 1991～ 2016 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 26 | 26 | 26 | 26 |
| 1月 | 1016.9 | 1019.4 | 77.0 | 18.0 | 21.1 | 14.6 | 14.4 | 69 | 4.6 | 北 | 121.3 | 10.5 | --- | --- | --- | 7.2 @ | 0.0 @ | 0.0 @ | 0.2 @ |
| 2月 | 1016.4 | 1018.9 | 79.9 | 18.1 | 21.2 | 14.8 | 15.0 | 71 | 4.6 | 北 | 120.3 | 12.5 | --- | --- | --- | 7.0 @ | 0.0 @ | 0.2 @ | 0.4 @ |
| 3月 | 1014.8 | 1017.3 | 84.2 | 19.5 | 22.6 | 16.4 | 17.0 | 74 | 4.5 | 北 | 154.0 | 15.5 | --- | --- | --- | 6.7 @ | 0.0 @ | 0.8 @ | 0.6 @ |
| 4月 | 1012.5 | 1014.9 | 113.6 | 21.6 | 24.6 | 18.8 | 20.5 | 78 | 4.5 | 東 | 152.8 | 17.4 | --- | --- | --- | 7.2 @ | 0.0 @ | 1.4 @ | 1.7 @ |
| 5月 | 1009.2 | 1011.6 | 222.0 | 24.1 | 26.9 | 21.5 | 25.2 | 84 | 4.2 | 東北東 | 171.0 | 18.7 | --- | --- | --- | 7.4 @ | 0.0 @ | 2.2 @ | 1.8 @ |
| 6月 | 1007.7 | 1010.0 | 199.6 | 26.9 | 29.6 | 24.8 | 31.0 | 87 | 4.3 | 南南西 | 219.3 | 21.3 | --- | --- | --- | 7.2 @ | 0.0 @ | 1.4 @ | 2.6 @ |
| 7月 | 1007.2 | 1009.6 | 118.0 | 28.7 | 31.7 | 25.9 | 31.6 | 81 | 4.5 | 東南東 | 277.8 | 23.3 | --- | --- | --- | 6.0 @ | 0.0 @ | 0.2 @ | 1.6 @ |
| 8月 | 1005.5 | 1007.8 | 151.1 | 28.6 | 31.6 | 25.9 | 31.5 | 81 | 4.6 | 東 | 249.3 | 21.3 | --- | --- | --- | 6.1 @ | 0.0 @ | 0.1 @ | 2.1 @ |
| 9月 | 1006.9 | 1009.3 | 167.9 | 27.9 | 31.0 | 25.0 | 29.8 | 80 | 4.7 | 東 | 220.4 | 19.2 | --- | --- | --- | 5.9 @ | 0.0 @ | 0.1 @ | 2.1 @ |
| 10月 | 1010.3 | 1012.7 | 180.5 | 25.9 | 28.8 | 23.0 | 25.9 | 77 | 4.8 | 北東 | 178.4 | 15.1 | --- | --- | --- | 6.4 @ | 0.0 @ | 0.0 @ | 1.3 @ |
| 11月 | 1014.6 | 1017.0 | 120.9 | 23.1 | 25.8 | 20.4 | 21.0 | 74 | 4.8 | 北東 | 136.4 | 11.6 | --- | --- | --- | 6.8 @ | 0.0 @ | 0.2 @ | 0.6 @ |
| 12月 | 1016.7 | 1019.2 | 124.7 | 19.7 | 22.6 | 16.6 | 16.4 | 70 | 4.7 | 北北東 | 120.8 | 9.7 | --- | --- | --- | 6.8 @ | 0.0 @ | 0.1 @ | 0.3 @ |
| 年 | 1011.6 | 1014.0 | 1639.3 | 23.5 | 26.5 | 20.7 | 23.3 | 77 | 4.6 | 北東 | 2121.7 | 16.4 | --- | --- | --- | 6.7 @ | 0.0 @ | 6.8 @ | 15.4 @ |
- 「@」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。