| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 阴 | 15°/5° | 0.0 mm |
| 2026-05-02 | 小毛毛雨 | 12°/5° | 0.4 mm |
| 2026-05-03 | 阴 | 12°/3° | 0.0 mm |
| 2026-05-04 | 阴 | 21°/6° | 0.0 mm |
| 2026-05-05 | 小雨 | 25°/8° | 2.2 mm |
| 2026-05-06 | 中雨 | 14°/6° | 11.2 mm |
| 2026-05-07 | 阴 | 13°/5° | 0.0 mm |
| 2026-05-08 | 阴 | 12°/1° | 0.0 mm |
| 2026-05-09 | 小雨 | 10°/0° | 4.0 mm |
| 2026-05-10 | 小毛毛雨 | 18°/9° | 0.4 mm |
| 2026-05-11 | 阴 | 14°/2° | 0.0 mm |
| 2026-05-12 | 阴 | 16°/1° | 0.0 mm |
| 2026-05-13 | 小毛毛雨 | 12°/6° | 0.4 mm |
| 2026-05-14 | 小雨 | 11°/9° | 6.7 mm |
| 2026-05-15 | 小雨 | 17°/9° | 3.6 mm |
| 2026-05-16 | 阴 | 25°/7° | 0.0 mm |
| 2026-05-17 | 晴间多云 | 29°/14° | 0.0 mm |
| 2026-05-18 | 晴间多云 | 32°/11° | 0.0 mm |
| 2026-05-19 | 阴 | 31°/18° | 0.0 mm |
| 2026-05-20 | 阴 | 25°/16° | 0.0 mm |
| 2026-05-21 | 阴 | 16°/8° | 0.0 mm |
| 2026-05-22 | 阴 | 19°/2° | 0.0 mm |
| 2026-05-23 | 毛毛雨 | 19°/4° | 1.1 mm |
| 2026-05-24 | 中雨 | 12°/9° | 8.5 mm |
| 2026-05-25 | 中雨 | 23°/11° | 6.9 mm |
| 2026-05-26 | 雾 | 27°/9° | 0.0 mm |
| 2026-05-27 | 阴 | 27°/13° | 0.0 mm |
| 2026-05-28 | 阴 | 19°/12° | 0.0 mm |
| 2026-05-29 | 中雨 | 20°/9° | 4.4 mm |
| 2026-05-30 | 小雨 | 15°/7° | 4.4 mm |
| 2026-05-31 | 中雨 | 17°/3° | 4.3 mm |
2026年05月华盛顿共记录 31 天，平均最高 18℃、最低 7℃，降水日 14 天。