| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-05-01 | 阴 | 16°/2° | 0.0 mm |
| 2025-05-02 | 阴 | 17°/5° | 0.0 mm |
| 2025-05-03 | 阴 | 17°/2° | 0.0 mm |
| 2025-05-04 | 小毛毛雨 | 10°/4° | 0.5 mm |
| 2025-05-05 | 阴 | 14°/0° | 0.0 mm |
| 2025-05-06 | 阴 | 14°/0° | 0.0 mm |
| 2025-05-07 | 阴 | 13°/1° | 0.0 mm |
| 2025-05-08 | 冻毛毛雨 | 10°/0° | 0.4 mm |
| 2025-05-09 | 小毛毛雨 | 11°/-4° | 0.1 mm |
| 2025-05-10 | 阴 | 14°/-2° | 0.0 mm |
| 2025-05-11 | 阴 | 18°/1° | 0.0 mm |
| 2025-05-12 | 阴 | 15°/5° | 0.0 mm |
| 2025-05-13 | 小毛毛雨 | 17°/3° | 0.6 mm |
| 2025-05-14 | 阴 | 12°/3° | 0.0 mm |
| 2025-05-15 | 阴 | 16°/2° | 0.0 mm |
| 2025-05-16 | 小毛毛雨 | 16°/5° | 0.1 mm |
| 2025-05-17 | 小毛毛雨 | 17°/4° | 0.1 mm |
| 2025-05-18 | 阴 | 17°/3° | 0.0 mm |
| 2025-05-19 | 阴 | 20°/4° | 0.0 mm |
| 2025-05-20 | 阴 | 19°/6° | 0.0 mm |
| 2025-05-21 | 阵雨 | 13°/2° | 15.9 mm |
| 2025-05-22 | 阴 | 13°/0° | 0.0 mm |
| 2025-05-23 | 阴 | 13°/0° | 0.0 mm |
| 2025-05-24 | 阴 | 14°/0° | 0.0 mm |
| 2025-05-25 | 阴 | 17°/0° | 0.0 mm |
| 2025-05-26 | 毛毛雨 | 12°/4° | 0.8 mm |
| 2025-05-27 | 阴 | 18°/5° | 0.0 mm |
| 2025-05-28 | 晴天 | 21°/5° | 0.0 mm |
| 2025-05-29 | 中雨 | 21°/6° | 4.0 mm |
| 2025-05-30 | 中雨 | 11°/3° | 9.5 mm |
| 2025-05-31 | 中雨 | 18°/2° | 3.3 mm |
2025年05月海北藏族自治州共记录 31 天，平均最高 15℃、最低 2℃，降水日 11 天。