Weather on May 31 at Channel Islands
Channel Islands National Park
CAPacific West
Avg High79°F
Avg Low50°F
Warmest199777°F
Coldest198049°F
Based on 54 years of data from Ventura, CA
Planning Your Visit
May 31st in Channel Islands National Park (via Ventura, CA) typically brings pleasant spring weather, with average highs around 79°F and lows near 50°F — a 29°F daily swing. Over 54 years of records, the warmest May 31st was in 1997 (77°F average), while the coldest was 1980 (49°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 31st dates historically. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in Channel Islands? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 98°F | 51°F | 0" | -- |
| 2024 | 77°F | 51°F | 0" | -- |
| 2023 | 63°F | 54°F | 0" | -- |
| 2022 | 80°F | 42°F | 0" | -- |
| 2021 | 84°F | 41°F | 0" | -- |
| 2020 | 76°F | 47°F | 0" | -- |
| 2019 | 81°F | 50°F | 0" | -- |
| 2018 | 82°F | 53°F | 0.05" | -- |
| 2017 | 79°F | 52°F | 0" | -- |
| 2016 | 76°F | 46°F | 0" | -- |
| 2015 | 89°F | 49°F | 0" | -- |
| 2014 | 87°F | 47°F | 0" | -- |
| 2013 | 88°F | 50°F | 0" | -- |
| 2012 | 88°F | 50°F | -- | -- |
| 2011 | 72°F | 43°F | -- | -- |
| 2010 | 73°F | 50°F | -- | -- |
| 2009 | 72°F | 55°F | -- | -- |
| 2008 | 68°F | 45°F | -- | -- |
| 2007 | 70°F | 46°F | -- | -- |
| 2006 | 88°F | 52°F | -- | -- |
| 2005 | 75°F | 50°F | -- | -- |
| 2004 | 86°F | 52°F | -- | -- |
| 2003 | 79°F | 52°F | -- | -- |
| 2002 | 88°F | 55°F | -- | -- |
| 2001 | 84°F | 57°F | -- | -- |
| 2000 | 78°F | 52°F | 0" | 0" |
| 1999 | 73°F | 44°F | 0" | 0" |
| 1998 | 77°F | 45°F | 0" | 0" |
| 1997 | 89°F | 64°F | 0" | 0" |
| 1996 | 82°F | 45°F | 0" | 0" |
| 1995 | 88°F | 55°F | 0" | 0" |
| 1994 | 77°F | 53°F | 0" | 0" |
| 1992 | 85°F | 56°F | 0" | 0" |
| 1991 | -- | 49°F | 0" | 0" |
| 1990 | 72°F | 48°F | 0" | 0" |
| 1989 | 85°F | 41°F | 0" | 0" |
| 1988 | 80°F | 45°F | 0" | 0" |
| 1987 | 85°F | 50°F | 0" | 0" |
| 1986 | 70°F | 52°F | 0" | 0" |
| 1985 | 73°F | 43°F | 0" | 0" |
| 1984 | 80°F | 57°F | 0" | 0" |
| 1983 | 63°F | 57°F | 0" | 0" |
| 1982 | 71°F | 40°F | 0" | 0" |
| 1981 | 78°F | 50°F | 0" | 0" |
| 1980 | 62°F | 36°F | 0" | 0" |
| 1979 | 72°F | 48°F | 0" | 0" |
| 1978 | 82°F | 57°F | 0" | 0" |
| 1977 | 89°F | 50°F | 0" | 0" |
| 1976 | 81°F | 45°F | 0" | 0" |
| 1975 | 83°F | 51°F | 0" | 0" |
| 1974 | 67°F | 50°F | 0" | 0" |
| 1973 | 70°F | 56°F | 0" | 0" |
| 1972 | 90°F | 57°F | 0" | 0" |
| 1971 | 65°F | 47°F | 0" | 0" |
May 31 at Nearby Parks
Holiday Weather at Channel Islands
Official NPS WebsiteVisit nps.gov/chis for park information, alerts, and reservations
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