January weather in Mill Creek, WA
The average temperature in Mill Creek in January is 41.2°F (36.6°F–45.8°F). Average precipitation: 3.89 inches.
January is a winter month in Mill Creek, and is cooler than the annual average of 51.4°F. Daily temperatures swing about 9.2°F between overnight low and afternoon high. Expect about 19 days with precipitation. Daylight averages about 8h 36m. For travel, January is cool.
Avg High
45.8°F
Avg Low
36.6°F
Precipitation
3.89 in
Daylight
8h 36m
January records in Mill Creek
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 52.0°F (2012) | 16.0°F (1952) | 0.74 in (1948) |
| January 2 | 55.9°F (2003) | 10.0°F (1950) | 1.64 in (2022) |
| January 3 | 57.9°F (2020) | 10.0°F (1950) | 0.58 in (2001) |
| January 4 | 54.0°F (2001) | 17.1°F (2004) | 0.94 in (2021) |
| January 5 | 55.9°F (2023) | 18.0°F (2004) | 0.92 in (2006) |
| January 6 | 59.0°F (2003) | 21.0°F (2004) | 0.79 in (2022) |
| January 7 | 57.9°F (2002) | 26.2°F (2017) | 0.65 in (2009) |
| January 8 | 53.1°F (2012) | 18.0°F (1949) | 0.62 in (2000) |
| January 9 | 55.0°F (2004) | 15.1°F (1949) | 1.16 in (2013) |
| January 10 | 53.1°F (2010) | 16.0°F (1949) | 0.57 in (2006) |
| January 11 | 57.9°F (2019) | 21.9°F (1949) | 1.01 in (2014) |
| January 12 | 59.0°F (2019) | 14.2°F (2024) | 0.85 in (2021) |
| January 13 | 55.9°F (2021) | 9.0°F (1950) | 0.46 in (2016) |
| January 14 | 59.0°F (2018) | 5.0°F (1950) | 0.66 in (1951) |
| January 15 | 62.1°F (2018) | 9.0°F (1950) | 0.60 in (1951) |
| January 16 | 55.9°F (2011) | 14.0°F (1950) | 0.55 in (2006) |
| January 17 | 55.0°F (2018) | 12.0°F (1950) | 0.69 in (1999) |
| January 18 | 60.1°F (2009) | 6.1°F (1950) | 0.56 in (2023) |
| January 19 | 63.0°F (2005) | 21.0°F (1950) | 0.47 in (1950) |
| January 20 | 55.0°F (2005) | 19.0°F (1949) | 0.48 in (2012) |
| January 21 | 61.0°F (2005) | 19.9°F (1949) | 1.69 in (2016) |
| January 22 | 55.9°F (2005) | 21.9°F (1949) | 0.56 in (1948) |
| January 23 | 57.0°F (2005) | 17.1°F (1949) | 0.61 in (2018) |
| January 24 | 59.0°F (2005) | 10.0°F (1950) | 0.77 in (2004) |
| January 25 | 63.0°F (2015) | 3.0°F (1950) | 0.65 in (2002) |
| January 26 | 63.0°F (2015) | 18.0°F (1950) | 0.31 in (2013) |
| January 27 | 55.9°F (2024) | 17.1°F (1951) | 0.61 in (2016) |
| January 28 | 59.0°F (2024) | 12.0°F (1950) | 0.96 in (1999) |
| January 29 | 64.9°F (2024) | 10.0°F (1950) | 1.14 in (2004) |
| January 30 | 61.0°F (2024) | 10.9°F (1950) | 0.96 in (2006) |
| January 31 | 59.0°F (2024) | 8.1°F (1950) | 0.37 in (2021) |