Weather on May 31 at North Cascades
North Cascades National Park
Based on 55 years of data from Seattle, WA
Elevation Note: North Cascades sits at 4,200 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
May 31st in North Cascades National Park (via Seattle, WA) typically brings mild spring weather, with average highs around 69°F and lows near 52°F. Over 55 years of records, the warmest May 31st was in 1986 (72°F average), while the coldest was 1976 (51°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 31st dates historically, with the wettest May 31st recording 2.82" of rain. 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 May 31st in North Cascades? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 64°F | 52°F | 0.23" | -- |
| 2024 | 71°F | 47°F | 0" | -- |
| 2023 | 64°F | 50°F | 0" | -- |
| 2022 | 68°F | 49°F | 0" | -- |
| 2021 | 78°F | 53°F | 0" | -- |
| 2020 | 63°F | 50°F | 0.03" | -- |
| 2019 | 77°F | 56°F | 0" | -- |
| 2018 | 65°F | 50°F | 0.05" | -- |
| 2017 | 72°F | 53°F | 0.13" | -- |
| 2016 | 79°F | 54°F | 0" | -- |
| 2015 | 76°F | 57°F | 0" | -- |
| 2014 | 76°F | 50°F | 0" | -- |
| 2013 | 68°F | 53°F | 0" | -- |
| 2012 | 64°F | 55°F | 0.41" | -- |
| 2011 | 62°F | 50°F | 0.15" | -- |
| 2010 | 68°F | 53°F | 0.33" | -- |
| 2009 | 77°F | 54°F | 0" | -- |
| 2008 | 63°F | 48°F | 0.13" | -- |
| 2007 | 80°F | 57°F | 0" | -- |
| 2006 | 74°F | 56°F | 0.23" | -- |
| 2005 | 67°F | 53°F | 2.82" | -- |
| 2004 | 62°F | 51°F | 0.03" | -- |
| 2003 | 71°F | 53°F | 0" | -- |
| 2002 | 67°F | 53°F | 0" | -- |
| 2001 | 84°F | 52°F | 0" | -- |
| 2000 | 61°F | 52°F | 0.08" | -- |
| 1999 | 61°F | 51°F | 0" | -- |
| 1998 | 73°F | 51°F | 0" | 0" |
| 1997 | 67°F | 58°F | 2.74" | 0" |
| 1996 | 71°F | 45°F | 0" | 0" |
| 1995 | 74°F | 52°F | 0" | 0" |
| 1994 | 65°F | 51°F | 0.56" | 0" |
| 1993 | 63°F | 56°F | 1.4" | 0" |
| 1992 | 81°F | 53°F | 0" | 0" |
| 1991 | 65°F | 51°F | 0" | 0" |
| 1990 | 59°F | 50°F | 0.33" | 0" |
| 1989 | 71°F | 52°F | 0" | 0" |
| 1988 | 62°F | 53°F | 0.1" | 0" |
| 1987 | 62°F | 52°F | 0" | 0" |
| 1986 | 84°F | 59°F | 0" | 0" |
| 1985 | 70°F | 50°F | 0" | 0" |
| 1984 | 62°F | 46°F | 0" | 0" |
| 1983 | 66°F | 56°F | 0.33" | 0" |
| 1982 | 79°F | 53°F | 0" | 0" |
| 1981 | 67°F | 51°F | 0" | 0" |
| 1980 | 68°F | 50°F | 0.03" | 0" |
| 1979 | 74°F | 48°F | 0" | 0" |
| 1978 | 75°F | 49°F | 0" | 0" |
| 1977 | 59°F | 54°F | 2.46" | 0" |
| 1976 | 56°F | 46°F | 0.61" | 0" |
| 1975 | 79°F | 52°F | 0" | 0" |
| 1974 | 69°F | 45°F | 0" | 0" |
| 1973 | 65°F | 50°F | 0" | 0" |
| 1972 | 62°F | 50°F | 0" | 0" |
| 1971 | 57°F | 50°F | 0" | 0" |