| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-05-01 | 毛毛雨 | 18°/7° | 0.7 mm |
| 2025-05-02 | 阴 | 20°/12° | 0.0 mm |
| 2025-05-03 | 大毛毛雨 | 11°/6° | 7.6 mm |
| 2025-05-04 | 小毛毛雨 | 12°/7° | 0.4 mm |
| 2025-05-05 | 小毛毛雨 | 20°/11° | 0.4 mm |
| 2025-05-06 | 中雨 | 19°/11° | 8.3 mm |
| 2025-05-07 | 阴 | 19°/11° | 0.0 mm |
| 2025-05-08 | 阴 | 11°/5° | 0.0 mm |
| 2025-05-09 | 晴间多云 | 16°/1° | 0.0 mm |
| 2025-05-10 | 晴天 | 20°/3° | 0.0 mm |
| 2025-05-11 | 晴天 | 17°/6° | 0.0 mm |
| 2025-05-12 | 阴 | 28°/6° | 0.0 mm |
| 2025-05-13 | 小毛毛雨 | 24°/15° | 0.4 mm |
| 2025-05-14 | 阴 | 23°/16° | 0.0 mm |
| 2025-05-15 | 阴 | 26°/15° | 0.0 mm |
| 2025-05-16 | 阴 | 25°/17° | 0.0 mm |
| 2025-05-17 | 阴 | 21°/13° | 0.0 mm |
| 2025-05-18 | 阴 | 17°/11° | 0.0 mm |
| 2025-05-19 | 阴 | 15°/8° | 0.0 mm |
| 2025-05-20 | 阴 | 16°/3° | 0.0 mm |
| 2025-05-21 | 小雨 | 12°/9° | 6.5 mm |
| 2025-05-22 | 中雨 | 12°/10° | 14.3 mm |
| 2025-05-23 | 小毛毛雨 | 11°/8° | 1.2 mm |
| 2025-05-24 | 阴 | 13°/8° | 0.0 mm |
| 2025-05-25 | 阴 | 17°/6° | 0.0 mm |
| 2025-05-26 | 雾 | 21°/6° | 0.0 mm |
| 2025-05-27 | 阴 | 23°/7° | 0.0 mm |
| 2025-05-28 | 毛毛雨 | 16°/10° | 1.1 mm |
| 2025-05-29 | 阴 | 19°/13° | 0.0 mm |
| 2025-05-30 | 阴 | 21°/12° | 0.0 mm |
| 2025-05-31 | 阴 | 13°/8° | 0.0 mm |
2025年05月尼亚加拉共记录 31 天，平均最高 17℃、最低 9℃，降水日 10 天。