| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 阴 | 17°/3° | 0.0 mm |
| 2026-05-02 | 晴间多云 | 20°/2° | 0.0 mm |
| 2026-05-03 | 阴 | 26°/9° | 0.0 mm |
| 2026-05-04 | 阴 | 28°/10° | 0.0 mm |
| 2026-05-05 | 毛毛雨 | 16°/8° | 2.5 mm |
| 2026-05-06 | 小毛毛雨 | 14°/7° | 0.4 mm |
| 2026-05-07 | 阴 | 25°/4° | 0.0 mm |
| 2026-05-08 | 阴 | 24°/14° | 0.0 mm |
| 2026-05-09 | 阴 | 26°/8° | 0.0 mm |
| 2026-05-10 | 阴 | 22°/12° | 0.0 mm |
| 2026-05-11 | 多云 | 27°/8° | 0.0 mm |
| 2026-05-12 | 晴天 | 29°/14° | 0.0 mm |
| 2026-05-13 | 晴天 | 27°/12° | 0.0 mm |
| 2026-05-14 | 阴 | 31°/15° | 0.0 mm |
| 2026-05-15 | 阴 | 33°/19° | 0.0 mm |
| 2026-05-16 | 阴 | 34°/19° | 0.0 mm |
| 2026-05-17 | 小毛毛雨 | 33°/18° | 0.4 mm |
| 2026-05-18 | 强阵雨 | 28°/10° | 39.3 mm |
| 2026-05-19 | 阴 | 17°/7° | 0.0 mm |
| 2026-05-20 | 小毛毛雨 | 19°/7° | 0.4 mm |
| 2026-05-21 | 大毛毛雨 | 16°/12° | 2.6 mm |
| 2026-05-22 | 毛毛雨 | 23°/15° | 0.7 mm |
| 2026-05-23 | 阴 | 24°/11° | 0.0 mm |
| 2026-05-24 | 晴天 | 29°/11° | 0.0 mm |
| 2026-05-25 | 晴间多云 | 31°/17° | 0.0 mm |
| 2026-05-26 | 晴间多云 | 29°/16° | 0.0 mm |
| 2026-05-27 | 阴 | 28°/16° | 0.0 mm |
| 2026-05-28 | 小雨 | 22°/19° | 4.1 mm |
| 2026-05-29 | 中雨 | 29°/19° | 5.1 mm |
| 2026-05-30 | 小毛毛雨 | 31°/18° | 0.4 mm |
| 2026-05-31 | 中雨 | 29°/17° | 2.5 mm |
2026年05月渥太华共记录 31 天，平均最高 25℃、最低 12℃，降水日 11 天。