| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 阴 | 4°/-4° | 0.0 mm |
| 2026-04-02 | 阴 | 5°/-3° | 0.0 mm |
| 2026-04-03 | 阴 | 6°/-1° | 0.0 mm |
| 2026-04-04 | 小雪 | 3°/-1° | 1.0 mm |
| 2026-04-05 | 阴 | 3°/-4° | 0.0 mm |
| 2026-04-06 | 阴 | 6°/-2° | 0.0 mm |
| 2026-04-07 | 大毛毛雨 | 8°/0° | 3.3 mm |
| 2026-04-08 | 阴 | 9°/-1° | 0.0 mm |
| 2026-04-09 | 毛毛雨 | 9°/0° | 1.4 mm |
| 2026-04-10 | 阴 | 4°/-2° | 0.0 mm |
| 2026-04-11 | 小阵雪 | 1°/-3° | 3.6 mm |
| 2026-04-12 | 阴 | 1°/-5° | 0.0 mm |
| 2026-04-13 | 小毛毛雨 | 12°/-4° | 0.3 mm |
| 2026-04-14 | 小雪 | 4°/-1° | 0.5 mm |
| 2026-04-15 | 阴 | 3°/-4° | 0.0 mm |
| 2026-04-16 | 阴 | 9°/-2° | 0.0 mm |
| 2026-04-17 | 阴 | 11°/-3° | 0.0 mm |
| 2026-04-18 | 小阵雪 | 1°/-5° | 3.9 mm |
| 2026-04-19 | 阴 | 3°/-6° | 0.0 mm |
| 2026-04-20 | 小阵雪 | 6°/-3° | 0.3 mm |
| 2026-04-21 | 小毛毛雨 | 8°/-2° | 0.1 mm |
| 2026-04-22 | 小雪 | 4°/-1° | 0.2 mm |
| 2026-04-23 | 小毛毛雨 | 5°/-1° | 0.2 mm |
| 2026-04-24 | 中雪 | 12°/-2° | 0.5 mm |
| 2026-04-25 | 小雨 | 10°/0° | 2.6 mm |
| 2026-04-26 | 小雨 | 10°/3° | 5.3 mm |
| 2026-04-27 | 阴 | 15°/0° | 0.0 mm |
| 2026-04-28 | 阴 | 21°/2° | 0.0 mm |
| 2026-04-29 | 小阵雪 | 11°/3° | 3.0 mm |
| 2026-04-30 | 阴 | 14°/2° | 0.0 mm |
2026年04月伊尔库茨克共记录 30 天，平均最高 7℃、最低 -1℃，降水日 15 天。