Weather on May 21 at Redwood
Redwood National and State Parks
CAPacific West500 ft elevation
Avg High60°F
Avg Low48°F
Warmest198863°F
Coldest197149°F
Based on 55 years of data from Eureka, CA
Planning Your Visit
May 21st in Redwood National Park (via Eureka, CA) typically brings mild spring weather, with average highs around 60°F and lows near 48°F. Over 55 years of records, the warmest May 21st was in 1988 (63°F average), while the coldest was 1971 (49°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 21st dates historically, with the wettest May 21st recording 2.29" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Redwood? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 59°F | 49°F | 0" | 0" |
| 2024 | 58°F | 42°F | 0" | 0" |
| 2023 | 62°F | 52°F | 0.03" | 0" |
| 2022 | 58°F | 45°F | 0" | 0" |
| 2021 | 57°F | 44°F | 0" | 0" |
| 2020 | 62°F | 49°F | 0" | 0" |
| 2019 | 58°F | 50°F | 1.78" | 0" |
| 2018 | 59°F | 51°F | 0" | 0" |
| 2017 | 58°F | 50°F | 0" | 0" |
| 2016 | 60°F | 51°F | 0.66" | 0" |
| 2015 | 61°F | 52°F | 0" | 0" |
| 2014 | 62°F | 53°F | 0" | 0" |
| 2013 | 55°F | 46°F | 0.15" | 0" |
| 2012 | 64°F | 49°F | 0.13" | 0" |
| 2011 | 59°F | 46°F | 0" | 0" |
| 2010 | 56°F | 42°F | 0.84" | 0" |
| 2009 | 57°F | 49°F | 0" | 0" |
| 2008 | 56°F | 48°F | 0" | 0" |
| 2007 | 59°F | 47°F | 0" | 0" |
| 2006 | 66°F | 53°F | 0.18" | 0" |
| 2005 | 66°F | 47°F | 0.03" | 0" |
| 2004 | 63°F | 54°F | 0" | 0" |
| 2003 | 61°F | 49°F | 0" | 0" |
| 2002 | 60°F | 45°F | 0" | 0" |
| 2001 | 76°F | 48°F | 0" | 0" |
| 2000 | 65°F | 49°F | 0" | 0" |
| 1999 | 58°F | 46°F | 0" | 0" |
| 1998 | 59°F | 44°F | 0" | 0" |
| 1997 | 61°F | 47°F | 0" | 0" |
| 1996 | 63°F | 51°F | 1.32" | 0" |
| 1995 | 56°F | 50°F | 0.03" | 0" |
| 1994 | 60°F | 53°F | 0" | 0" |
| 1993 | 65°F | 54°F | 0.18" | 0" |
| 1992 | 61°F | 45°F | 0" | 0" |
| 1991 | 58°F | 49°F | 0" | 0" |
| 1990 | 68°F | 52°F | 2.29" | 0" |
| 1989 | 60°F | 46°F | 0" | 0" |
| 1988 | 73°F | 54°F | 0" | 0" |
| 1987 | 57°F | 51°F | 0" | 0" |
| 1986 | 59°F | 46°F | 0.3" | 0" |
| 1985 | 65°F | 47°F | 0" | 0" |
| 1984 | 59°F | 47°F | 0" | 0" |
| 1983 | 61°F | 49°F | 0" | 0" |
| 1982 | 58°F | 48°F | 0" | 0" |
| 1981 | 58°F | 50°F | 0" | 0" |
| 1980 | 60°F | 50°F | 0" | 0" |
| 1979 | 60°F | 51°F | 0" | 0" |
| 1978 | 55°F | 48°F | 0.05" | 0" |
| 1977 | 57°F | 49°F | 0" | 0" |
| 1976 | 55°F | 45°F | 0" | 0" |
| 1975 | 55°F | 43°F | 0" | 0" |
| 1974 | 58°F | 48°F | 0" | 0" |
| 1973 | 55°F | 45°F | 0" | 0" |
| 1972 | 55°F | 49°F | 0.61" | 0" |
| 1971 | 52°F | 46°F | 0" | 0" |
May 21 at Nearby Parks
Holiday Weather at Redwood
Official NPS WebsiteVisit nps.gov/redw for park information, alerts, and reservations
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