January weather in Ironwood, MI
The average temperature in Ironwood in January is 11.2°F (2.0°F–20.3°F). Average precipitation: inches.
January is a winter month in Ironwood, and is cooler than the annual average of 40.2°F. Daily temperatures swing about 18.3°F between overnight low and afternoon high. Daylight averages about 8h 47m. For travel, January is cold.
Avg High
20.3°F
Avg Low
2.0°F
Precipitation
in
Daylight
8h 47m
January records in Ironwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 30.9°F (2023) | -2.9°F (2022) | 0.22 in (2019) |
| January 2 | 32.0°F (2023) | -14.1°F (2022) | 0.06 in (2025) |
| January 3 | 32.0°F (2020) | -9.0°F (2022) | 0.09 in (2024) |
| January 4 | 35.1°F (2019) | -2.0°F (2025) | 0.33 in (2023) |
| January 5 | 45.0°F (2019) | -4.0°F (2025) | 0.35 in (2023) |
| January 6 | 36.0°F (2019) | 1.9°F (2025) | 0.38 in (2022) |
| January 7 | 34.0°F (2020) | -15.0°F (2022) | 0.35 in (2022) |
| January 8 | 35.1°F (2019) | -16.1°F (2022) | 0.16 in (2020) |
| January 9 | 35.1°F (2026) | -7.1°F (2022) | 0.38 in (2019) |
| January 10 | 33.1°F (2023) | -15.0°F (2022) | 0.12 in (2019) |
| January 11 | 33.1°F (2023) | -20.9°F (2022) | 0.05 in (2025) |
| January 12 | 33.1°F (2023) | -2.0°F (2022) | 0.18 in (2025) |
| January 13 | 39.9°F (2026) | -2.9°F (2025) | 0.25 in (2024) |
| January 14 | 42.1°F (2021) | -7.1°F (2025) | 0.25 in (2026) |
| January 15 | 33.1°F (2021) | -11.9°F (2022) | 0.15 in (2021) |
| January 16 | 36.0°F (2023) | -9.0°F (2022) | 0.24 in (2021) |
| January 17 | 33.1°F (2023) | -16.1°F (2020) | 0.38 in (2026) |
| January 18 | 37.0°F (2025) | -2.0°F (2024) | 0.29 in (2020) |
| January 19 | 32.0°F (2022) | -17.0°F (2025) | 0.58 in (2020) |
| January 20 | 28.9°F (2023) | -20.0°F (2025) | 0.45 in (2023) |
| January 21 | 33.1°F (2021) | -27.0°F (2025) | 0.00 in (2019) |
| January 22 | 30.9°F (2021) | -27.9°F (2025) | 0.10 in (2021) |
| January 23 | 30.9°F (2020) | -27.0°F (2026) | 0.24 in (2025) |
| January 24 | 32.0°F (2020) | -27.9°F (2026) | 0.20 in (2020) |
| January 25 | 33.1°F (2020) | -27.0°F (2026) | 0.32 in (2019) |
| January 26 | 37.0°F (2024) | -23.1°F (2019) | 0.15 in (2023) |
| January 27 | 37.0°F (2024) | -20.9°F (2019) | 0.23 in (2026) |
| January 28 | 37.9°F (2024) | -15.0°F (2019) | 0.05 in (2020) |
| January 29 | 37.9°F (2024) | -8.0°F (2019) | 0.19 in (2025) |
| January 30 | 36.0°F (2024) | -22.0°F (2019) | 0.30 in (2019) |
| January 31 | 43.0°F (2025) | -27.0°F (2019) | 0.57 in (2026) |