Weather on January 15 at Mount Rainier
Mount Rainier National Park
Based on 56 years of data from Seattle, WA
Elevation Note: Mount Rainier sits at 5,400 ft. Expect temperatures 19°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
January 15th in Mount Rainier National Park (via Seattle, WA) typically brings chilly winter weather, with average highs around 48°F and lows near 37°F. Over 56 years of records, the warmest January 15th was in 1974 (54°F average), while the coldest was 2024 (27°F) — a 27°F range across recorded history. Precipitation has occurred on 46% of recorded January 15th dates, with snow falling 2% of the time (heaviest snowfall: 4"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for January 15th in Mount Rainier? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 51°F | 45°F | 0" | -- |
| 2025 | 42°F | 36°F | 0" | -- |
| 2024 | 36°F | 18°F | 0" | -- |
| 2023 | 49°F | 40°F | 0.46" | -- |
| 2022 | 45°F | 40°F | 0" | -- |
| 2021 | 54°F | 39°F | 0.08" | -- |
| 2020 | 43°F | 32°F | 0" | -- |
| 2019 | 48°F | 28°F | 0" | -- |
| 2018 | 62°F | 38°F | 0.18" | -- |
| 2017 | 44°F | 23°F | 0" | -- |
| 2016 | 48°F | 30°F | 0.1" | -- |
| 2015 | 48°F | 34°F | 1.09" | -- |
| 2014 | 53°F | 45°F | 0" | -- |
| 2013 | 45°F | 33°F | 0" | -- |
| 2012 | 37°F | 25°F | 0.58" | -- |
| 2011 | 55°F | 49°F | 1.17" | -- |
| 2010 | 52°F | 45°F | 1.32" | -- |
| 2009 | 41°F | 36°F | 0" | -- |
| 2008 | 42°F | 28°F | 0" | -- |
| 2007 | 37°F | 19°F | 0" | -- |
| 2006 | 46°F | 34°F | 0" | -- |
| 2005 | 36°F | 25°F | 0.56" | -- |
| 2004 | 51°F | 47°F | 0.1" | -- |
| 2003 | 47°F | 31°F | 0" | -- |
| 2002 | 44°F | 37°F | 0" | -- |
| 2001 | 51°F | 33°F | 0" | -- |
| 2000 | 45°F | 33°F | 0.03" | -- |
| 1999 | 48°F | 41°F | 0.56" | -- |
| 1998 | 50°F | 40°F | 0" | 0" |
| 1997 | 44°F | 25°F | 0" | 0" |
| 1996 | 53°F | 44°F | 2.84" | 0" |
| 1995 | 48°F | 41°F | 0" | 0" |
| 1994 | 51°F | 45°F | 0" | 0" |
| 1993 | 53°F | 33°F | 0" | 0" |
| 1992 | 53°F | 42°F | 0.15" | 0" |
| 1991 | 50°F | 45°F | 0.51" | 0" |
| 1990 | 48°F | 44°F | 0.25" | 0" |
| 1989 | 47°F | 40°F | 0" | 0" |
| 1988 | 49°F | 41°F | 0.33" | 0" |
| 1987 | 39°F | 28°F | 0" | 0" |
| 1986 | 49°F | 43°F | 0.84" | 0" |
| 1985 | 50°F | 41°F | 0" | 0" |
| 1984 | 44°F | 25°F | 0" | 0" |
| 1983 | 47°F | 32°F | 0" | 0" |
| 1982 | 47°F | 45°F | 1.45" | 0" |
| 1981 | 56°F | 34°F | 0" | 0" |
| 1980 | 50°F | 43°F | 0.25" | 0" |
| 1979 | 40°F | 34°F | 0" | 0" |
| 1978 | 52°F | 39°F | 0" | 0" |
| 1977 | 52°F | 46°F | 0.38" | 0" |
| 1976 | 55°F | 51°F | 0.33" | 0" |
| 1975 | 43°F | 37°F | 0.1" | 0" |
| 1974 | 57°F | 51°F | 2.18" | 0" |
| 1973 | 55°F | 47°F | 0.71" | 0" |
| 1972 | 47°F | 38°F | 0" | 0" |
| 1971 | 52°F | 38°F | 4.17" | 4" |