| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-02-01 | 阴 | 3°/-7° | 0.0 mm |
| 2026-02-02 | 阴 | 3°/-5° | 0.0 mm |
| 2026-02-03 | 阴 | 2°/-5° | 0.0 mm |
| 2026-02-04 | 阴 | 9°/-4° | 0.0 mm |
| 2026-02-05 | 阴 | 9°/-1° | 0.0 mm |
| 2026-02-06 | 阴 | 9°/-2° | 0.0 mm |
| 2026-02-07 | 小雪 | -1°/-4° | 2.3 mm |
| 2026-02-08 | 中雪 | -2°/-10° | 6.3 mm |
| 2026-02-09 | 阴 | 0°/-12° | 0.0 mm |
| 2026-02-10 | 阴 | 9°/-7° | 0.0 mm |
| 2026-02-11 | 小雪 | 4°/-1° | 10.9 mm |
| 2026-02-12 | 阴 | 4°/-4° | 0.0 mm |
| 2026-02-13 | 晴天 | 6°/-5° | 0.0 mm |
| 2026-02-14 | 阴 | 12°/-2° | 0.0 mm |
| 2026-02-15 | 阴 | 14°/0° | 0.0 mm |
| 2026-02-16 | 雾 | 7°/-2° | 0.0 mm |
| 2026-02-17 | 中雪 | 6°/-4° | 1.3 mm |
| 2026-02-18 | 小毛毛雨 | 8°/-2° | 0.2 mm |
| 2026-02-19 | 阴 | 3°/-5° | 0.0 mm |
| 2026-02-20 | 阴 | 7°/-4° | 0.0 mm |
| 2026-02-21 | 多云 | 11°/-1° | 0.0 mm |
| 2026-02-22 | 晴天 | 15°/1° | 0.0 mm |
| 2026-02-23 | 阴 | 16°/5° | 0.0 mm |
| 2026-02-24 | 阴 | 14°/3° | 0.0 mm |
| 2026-02-25 | 小雨 | 8°/4° | 10.3 mm |
| 2026-02-26 | 雾 | 10°/4° | 0.0 mm |
| 2026-02-27 | 阴 | 12°/3° | 0.0 mm |
| 2026-02-28 | 阴 | 9°/1° | 0.0 mm |
2026年02月佐久市共记录 28 天，平均最高 7℃、最低 -2℃，降水日 6 天。