January weather in Downey, ID
The average temperature in Downey in January is 23.3°F (14.4°F–32.1°F). Average precipitation: 1.08 inches.
January is a winter month in Downey, and is cooler than the annual average of 45.6°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Daylight averages about 9h 13m. For travel, January is cold.
Avg High
32.1°F
Avg Low
14.4°F
Precipitation
1.08 in
Daylight
9h 13m
January records in Downey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 43.0°F (2026) | -11.9°F (2015) | 0.60 in (1896) |
| January 2 | 39.9°F (2024) | -14.1°F (2016) | 0.19 in (2026) |
| January 3 | 42.1°F (2025) | -9.9°F (2016) | 0.06 in (2026) |
| January 4 | 50.0°F (2025) | 1.0°F (1896) | 0.25 in (2017) |
| January 5 | 45.0°F (1900) | -11.9°F (2017) | 0.42 in (2026) |
| January 6 | 45.0°F (1901) | -20.9°F (2017) | 0.50 in (1899) |
| January 7 | 48.0°F (2015) | -24.0°F (2017) | 0.20 in (1901) |
| January 8 | 46.9°F (2015) | -17.0°F (2017) | 0.08 in (2017) |
| January 9 | 46.0°F (2015) | 6.1°F (1896) | 0.49 in (2017) |
| January 10 | 42.1°F (2018) | -20.9°F (1898) | 0.53 in (2023) |
| January 11 | 45.0°F (1902) | -16.1°F (1898) | 0.48 in (2023) |
| January 12 | 43.0°F (1902) | -18.0°F (1898) | 0.06 in (2020) |
| January 13 | 45.0°F (1902) | -15.0°F (1898) | 0.09 in (2024) |
| January 14 | 46.0°F (2018) | -5.1°F (1898) | 0.40 in (2024) |
| January 15 | 45.0°F (2026) | -0.9°F (2019) | 0.12 in (1896) |
| January 16 | 45.0°F (1901) | -13.0°F (2024) | 0.26 in (2023) |
| January 17 | 45.0°F (1900) | -14.1°F (2024) | 0.48 in (1896) |
| January 18 | 46.0°F (2018) | -4.0°F (2017) | 0.44 in (2019) |
| January 19 | 46.0°F (2015) | -2.0°F (2025) | 0.04 in (1896) |
| January 20 | 46.9°F (2015) | 3.0°F (1896) | 0.44 in (1896) |
| January 21 | 43.0°F (1901) | -5.1°F (2025) | 0.18 in (1896) |
| January 22 | 42.1°F (1900) | -18.9°F (1898) | 0.40 in (1901) |
| January 23 | 42.1°F (1900) | -22.0°F (1898) | 0.45 in (2021) |
| January 24 | 41.0°F (1900) | -27.0°F (1898) | 0.70 in (2017) |
| January 25 | 46.0°F (1902) | -29.9°F (1898) | 0.30 in (1902) |
| January 26 | 45.0°F (1896) | -20.0°F (1898) | 0.12 in (2024) |
| January 27 | 50.0°F (1896) | -24.0°F (1902) | 0.14 in (2020) |
| January 28 | 46.9°F (1896) | -24.0°F (1902) | 0.08 in (2023) |
| January 29 | 45.0°F (2024) | -20.9°F (1902) | 0.21 in (2023) |
| January 30 | 48.0°F (2024) | -23.1°F (2023) | 0.27 in (2016) |
| January 31 | 51.1°F (2018) | -25.1°F (2023) | 0.05 in (1899) |