January weather in Friday Harbor, WA
The average temperature in Friday Harbor in January is 42.1°F (37.1°F–47.1°F). Average precipitation: 2.69 inches.
January is a winter month in Friday Harbor, and is cooler than the annual average of 50.9°F. Daily temperatures swing about 10°F between overnight low and afternoon high. Expect about 17 days with precipitation. Daylight averages about 8h 31m. For travel, January is cool.
Avg High
47.1°F
Avg Low
37.1°F
Precipitation
2.69 in
Daylight
8h 31m
January records in Friday Harbor
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 53.1°F (2006) | 22.1°F (2011) | 0.37 in (2000) |
| January 2 | 55.0°F (2012) | 24.3°F (2011) | 0.87 in (2021) |
| January 3 | 54.0°F (2020) | 17.1°F (2004) | 0.61 in (2019) |
| January 4 | 55.0°F (2003) | 10.9°F (2004) | 0.93 in (2010) |
| January 5 | 55.0°F (2006) | 12.0°F (2004) | 1.14 in (2007) |
| January 6 | 54.0°F (2003) | 24.1°F (2004) | 0.68 in (2011) |
| January 7 | 55.0°F (2002) | 28.9°F (1998) | 0.86 in (2009) |
| January 8 | 52.0°F (2002) | 27.0°F (1998) | 0.52 in (2024) |
| January 9 | 55.0°F (2004) | 23.0°F (1998) | 0.64 in (1999) |
| January 10 | 54.0°F (2010) | 19.0°F (1998) | 0.47 in (2009) |
| January 11 | 59.0°F (2010) | 15.1°F (1998) | 0.71 in (2026) |
| January 12 | 55.0°F (2019) | 10.2°F (2024) | 0.80 in (2026) |
| January 13 | 55.9°F (2023) | 14.2°F (2024) | 0.26 in (1999) |
| January 14 | 55.9°F (2011) | 19.2°F (2007) | 1.05 in (1999) |
| January 15 | 57.0°F (2025) | 21.2°F (2007) | 0.35 in (2011) |
| January 16 | 57.9°F (2025) | 25.0°F (2001) | 0.45 in (2005) |
| January 17 | 60.1°F (2005) | 24.3°F (2012) | 1.23 in (2005) |
| January 18 | 54.0°F (2005) | 20.1°F (2012) | 0.57 in (2005) |
| January 19 | 57.0°F (2005) | 23.2°F (2012) | 0.96 in (2005) |
| January 20 | 54.0°F (2010) | 31.1°F (2012) | 0.20 in (2022) |
| January 21 | 55.9°F (2005) | 24.3°F (2008) | 0.56 in (2011) |
| January 22 | 55.9°F (2016) | 23.2°F (2008) | 0.58 in (2002) |
| January 23 | 55.9°F (2005) | 22.1°F (2008) | 0.17 in (2011) |
| January 24 | 55.0°F (2015) | 25.0°F (1999) | 1.06 in (2002) |
| January 25 | 55.9°F (2015) | 26.1°F (2026) | 0.35 in (2002) |
| January 26 | 57.0°F (2003) | 19.2°F (2009) | 0.39 in (2003) |
| January 27 | 57.0°F (2024) | 28.2°F (2008) | 0.49 in (2024) |
| January 28 | 61.0°F (2024) | 25.0°F (2002) | 0.57 in (1999) |
| January 29 | 62.1°F (2024) | 25.2°F (2023) | 0.60 in (2004) |
| January 30 | 59.0°F (2024) | 24.3°F (2023) | 0.61 in (2003) |
| January 31 | 60.1°F (2024) | 27.1°F (2011) | 0.48 in (2020) |