January weather in Hermiston, OR
The average temperature in Hermiston in January is 36.0°F (28.7°F–43.3°F). Average precipitation: 1.14 inches.
January is a winter month in Hermiston, and is cooler than the annual average of 53.9°F. Daily temperatures swing about 14.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 51m. For travel, January is cold.
Avg High
43.3°F
Avg Low
28.7°F
Precipitation
1.14 in
Daylight
8h 51m
January records in Hermiston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 59.0°F (2020) | -9.8°F (2022) | 0.31 in (2009) |
| January 2 | 61.0°F (2004) | 3.2°F (2022) | 0.52 in (2009) |
| January 3 | 57.9°F (2003) | 6.3°F (2011) | 0.58 in (2025) |
| January 4 | 57.9°F (2008) | -7.1°F (2004) | 0.13 in (2003) |
| January 5 | 57.9°F (2001) | -3.8°F (2017) | 0.22 in (2022) |
| January 6 | 60.1°F (2020) | -1.8°F (2017) | 0.25 in (2004) |
| January 7 | 66.9°F (2002) | -0.8°F (2017) | 0.29 in (2013) |
| January 8 | 60.1°F (2002) | 10.0°F (2004) | 0.29 in (2008) |
| January 9 | 61.0°F (2006) | 15.3°F (2017) | 0.13 in (2018) |
| January 10 | 62.1°F (2006) | 16.0°F (2004) | 0.22 in (2024) |
| January 11 | 61.0°F (2014) | -3.8°F (2017) | 0.17 in (2018) |
| January 12 | 66.9°F (2021) | -10.8°F (2017) | 0.29 in (2003) |
| January 13 | 68.0°F (2021) | -11.7°F (2017) | 0.38 in (2006) |
| January 14 | 63.0°F (1999) | -3.8°F (2024) | 0.34 in (2006) |
| January 15 | 55.0°F (2014) | -5.8°F (2024) | 0.29 in (2011) |
| January 16 | 61.0°F (2011) | -4.9°F (2024) | 0.28 in (2006) |
| January 17 | 57.0°F (2011) | -0.8°F (2017) | 0.19 in (2015) |
| January 18 | 64.0°F (2010) | 13.1°F (2007) | 0.51 in (2017) |
| January 19 | 60.1°F (2010) | 16.2°F (2007) | 0.29 in (2012) |
| January 20 | 60.1°F (2010) | 16.2°F (2025) | 0.47 in (2019) |
| January 21 | 57.9°F (2010) | 7.2°F (2008) | 0.13 in (2011) |
| January 22 | 57.9°F (2016) | 4.1°F (2008) | 0.39 in (2019) |
| January 23 | 59.0°F (2011) | 5.2°F (2008) | 0.47 in (2004) |
| January 24 | 62.1°F (2015) | 5.2°F (2008) | 0.22 in (2012) |
| January 25 | 60.1°F (2020) | 5.2°F (2008) | 0.13 in (2013) |
| January 26 | 66.9°F (2003) | -2.7°F (2009) | 0.27 in (2010) |
| January 27 | 57.0°F (2003) | 1.2°F (2009) | 0.74 in (2008) |
| January 28 | 57.9°F (1999) | 7.2°F (2008) | 0.28 in (2004) |
| January 29 | 61.0°F (2004) | 9.1°F (2023) | 0.26 in (2014) |
| January 30 | 60.1°F (2006) | 5.2°F (2023) | 0.39 in (2003) |
| January 31 | 68.0°F (2020) | 15.3°F (2017) | 0.49 in (2003) |