旬ごとの値
 |  |
 |  |
 |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
東京（東京都) 1988年（旬ごとの値） 詳細（気温・蒸気圧・湿度）
| 月 | 旬 | 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 | |||||||||||||||
| 上旬 | 6.8 | 10.8 | 14.1 | 08 | 5.8 | 07 | 3.5 | 0.6 | 07 | 7.8 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 60 | 26 | 10 | |
| 中旬 | 7.8 | 11.9 | 14.9 | 14 | 8.3 | 19 | 3.8 | 0.8 | 11 | 8.3 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 49 | 20 | 11 | |
| 下旬 | 8.4 | 12.4 | 16.9 | 22 | 9.0 | 24 | 3.9 | 0.9 | 25 | 7.4 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 47 | 22 | 24 | |
| 上旬 | 5.8 | 10.6 | 19.7 | 05 | 6.8 | 03 | 1.3 | -1.6 | 04 | 4.9 | 06 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4.3 | 44 | 18 | 08 | |
| 中旬 | 4.1 | 7.8 | 11.5 | 20 | 5.2 | 12 | 0.4 | -1.2 | 18 | 2.4 | 14 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 3.4 | 42 | 20 | 15 | |
| 下旬 | 4.9 | 8.1 | 12.0 | 23 | 5.0 | 27 | 1.8 | -1.7 | 22 | 4.2 | 24 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4.5 | 53 | 19 | 28 | |
| 上旬 | 6.6 | 10.1 | 12.6 | 10 | 6.4 | 02 | 3.1 | 1.3 | 04 | 4.7 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 57 | 22 | 04 | |
| 中旬 | 10.4 | 14.3 | 21.3 | 12 | 8.1 | 17 | 5.7 | 1.9 | 16 | 8.3 | 14* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 55 | 17 | 16 | |
| 下旬 | 8.1 | 11.5 | 17.7 | 23 | 8.0 | 31 | 4.9 | 1.4 | 26 | 9.5 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 65 | 20 | 24 | |
| 上旬 | 9.9 | 13.7 | 19.7 | 06 | 6.8 | 08 | 6.1 | 0.7 | 08 | 10.9 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 61 | 26 | 09 | |
| 中旬 | 15.9 | 19.6 | 23.6 | 20 | 17.6 | 11 | 11.7 | 7.0 | 11 | 14.0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.3 | 56 | 12 | 16 | |
| 下旬 | 16.9 | 21.0 | 27.7 | 30 | 17.0 | 24 | 12.8 | 9.1 | 24 | 16.1 | 29 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 12.1 | 62 | 25 | 24 | |
| 上旬 | 17.5 | 21.4 | 27.0 | 02 | 17.6 | 08 | 13.6 | 10.6 | 09 | 18.6 | 04 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 10.9 | 53 | 17 | 05 | |
| 中旬 | 20.3 | 24.7 | 29.2 | 19 | 19.5 | 12 | 15.9 | 11.9 | 13 | 19.7 | 20 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 13.3 | 58 | 17 | 14 | |
| 下旬 | 17.0 | 20.5 | 24.8 | 29 | 14.0 | 23 | 13.7 | 9.8 | 24 | 16.6 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.2 | 73 | 29 | 29 | |
| 上旬 | 23.0 | 26.4 | 29.9 | 08 | 22.7 | 02 | 19.4 | 17.2 | 01 | 21.4 | 04 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 0 | 18.1 | 66 | 27 | 05 | |
| 中旬 | 22.6 | 26.2 | 28.8 | 16 | 21.3 | 12 | 19.6 | 17.6 | 11 | 21.0 | 20 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 19.6 | 72 | 40 | 17 | |
| 下旬 | 21.4 | 24.1 | 26.8 | 23 | 22.0 | 25 | 19.2 | 18.1 | 30 | 20.5 | 26 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 20.0 | 79 | 45 | 23 | |
| 上旬 | 23.6 | 27.4 | 32.6 | 09 | 23.2 | 03 | 20.4 | 17.2 | 04 | 25.0 | 09 | 0 | 4 | 0 | 1 | 0 | 8 | 1 | 0 | 21.1 | 73 | 51 | 09* | |
| 中旬 | 22.7 | 24.7 | 29.5 | 12 | 22.3 | 14 | 21.0 | 19.7 | 14 | 23.5 | 11 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 22.1 | 80 | 49 | 12 | |
| 下旬 | 21.1 | 23.7 | 30.7 | 31 | 20.6 | 24 | 19.0 | 18.0 | 25 | 21.2 | 21 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 19.4 | 78 | 37 | 31 | |
| 上旬 | 27.1 | 30.6 | 32.4 | 08 | 26.2 | 02 | 24.2 | 21.8 | 01 | 25.9 | 05 | 0 | 8 | 0 | 3 | 0 | 10 | 7 | 0 | 25.3 | 71 | 32 | 01 | |
| 中旬 | 26.0 | 29.2 | 31.2 | 13 | 26.2 | 16 | 23.7 | 21.6 | 16 | 25.9 | 14 | 0 | 8 | 0 | 1 | 0 | 10 | 4 | 0 | 26.9 | 81 | 52 | 20 | |
| 下旬 | 27.7 | 30.9 | 32.9 | 23* | 28.4 | 26 | 25.4 | 24.0 | 30 | 27.1 | 24 | 0 | 11 | 0 | 6 | 0 | 11 | 7 | 0 | 27.8 | 75 | 51 | 23* | |
| 上旬 | 24.1 | 26.8 | 29.6 | 01 | 22.9 | 06 | 21.9 | 20.3 | 07 | 23.2 | 01 | 0 | 3 | 0 | 0 | 0 | 8 | 0 | 0 | 22.5 | 75 | 44 | 09 | |
| 中旬 | 23.9 | 26.7 | 31.2 | 16 | 22.6 | 17 | 21.4 | 18.1 | 15 | 25.4 | 12 | 0 | 2 | 0 | 1 | 0 | 7 | 1 | 0 | 22.1 | 75 | 48 | 16 | |
| 下旬 | 20.2 | 22.0 | 26.9 | 21 | 20.2 | 30 | 18.7 | 17.5 | 26 | 21.9 | 21 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 20.1 | 85 | 59 | 21 | |
| 上旬 | 19.4 | 22.1 | 24.1 | 01 | 19.8 | 06 | 16.7 | 14.7 | 09 | 18.3 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.1 | 72 | 39 | 10 | |
| 中旬 | 17.6 | 20.7 | 23.0 | 11 | 17.8 | 17 | 14.2 | 11.3 | 14 | 17.5 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.9 | 59 | 24 | 13 | |
| 下旬 | 15.8 | 19.7 | 24.9 | 22 | 15.8 | 29 | 12.5 | 8.8 | 31 | 15.8 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 51 | 24 | 29 | |
| 上旬 | 13.9 | 18.7 | 22.5 | 10 | 15.2 | 08 | 9.1 | 8.0 | 09* | 10.8 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 51 | 25 | 10 | |
| 中旬 | 11.5 | 15.6 | 20.5 | 13 | 9.6 | 20 | 7.7 | 6.2 | 18 | 10.4 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 60 | 26 | 11 | |
| 下旬 | 8.8 | 12.6 | 15.1 | 23 | 7.9 | 29 | 4.9 | 2.4 | 27 | 7.6 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 57 | 24 | 26 | |
| 上旬 | 10.0 | 14.3 | 17.9 | 05 | 11.8 | 03 | 6.1 | 4.3 | 02 | 7.7 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 52 | 26 | 01 | |
| 中旬 | 8.8 | 12.9 | 17.2 | 14 | 9.5 | 17 | 4.4 | 0.8 | 17 | 8.0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 46 | 16 | 16 | |
| 下旬 | 6.7 | 10.5 | 12.0 | 21 | 9.0 | 27 | 3.1 | 1.3 | 31 | 5.9 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 44 | 23 | 26 | |