Weather on August 21
Long Beach, CA
55 Years of Data
About This Date
August 21st in Long Beach, CA typically brings warm summer weather, with average highs around 83°F and lows near 65°F. Over 55 years of records, the warmest August 21st was in 1982 (85°F average), while the coldest was 2001 (68°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 21st dates historically, with the wettest August 21st recording 0.91" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Long Beach, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 68° | 81° | — | — |
| 2024 | 87° | 66° | 77° | — | — |
| 2023 | 78° | 66° | 72° | 0.91" | — |
| 2022 | 77° | 69° | 73° | — | — |
| 2021 | 75° | 65° | 70° | 0.1" | — |
| 2020 | 86° | 72° | 79° | — | — |
| 2019 | 92° | 65° | 78° | — | — |
| 2018 | 83° | 71° | 77° | — | — |
| 2017 | 81° | 68° | 74° | — | — |
| 2016 | 85° | 64° | 74° | — | — |
| 2015 | 79° | 70° | 74° | — | — |
| 2014 | 83° | 67° | 75° | — | — |
| 2013 | 83° | 63° | 73° | — | — |
| 2012 | 79° | 70° | 74° | — | — |
| 2011 | 79° | 63° | 71° | — | — |
| 2010 | 87° | 63° | 75° | — | — |
| 2009 | 76° | 62° | 69° | — | — |
| 2008 | 76° | 65° | 70° | — | — |
| 2007 | 89° | 66° | 78° | — | — |
| 2006 | 80° | 62° | 71° | — | — |
| 2005 | 83° | 62° | 72° | — | — |
| 2004 | 76° | 64° | 70° | — | — |
| 2003 | 82° | 67° | 74° | — | — |
| 2002 | 76° | 60° | 68° | — | — |
| 2001coldest | 73° | 63° | 68° | — | — |
| 2000 | 80° | 65° | 72° | — | — |
| 1999 | 84° | 61° | 72° | — | — |
| 1998 | 94° | 66° | 80° | — | — |
| 1997 | 87° | 69° | 78° | — | — |
| 1996 | 89° | 61° | 75° | — | — |
| 1995 | 83° | 65° | 74° | — | — |
| 1994 | 79° | 67° | 73° | — | — |
| 1993 | 80° | 61° | 70° | — | — |
| 1992 | 78° | 67° | 72° | — | — |
| 1991 | 78° | 62° | 70° | — | — |
| 1990 | 84° | 62° | 73° | — | — |
| 1989 | 76° | 64° | 70° | — | — |
| 1988 | 79° | 61° | 70° | — | — |
| 1987 | 83° | 61° | 72° | — | — |
| 1986 | 93° | 67° | 80° | — | — |
| 1985 | 82° | 60° | 71° | — | — |
| 1984 | 85° | 71° | 78° | — | — |
| 1983 | 81° | 67° | 74° | — | — |
| 1982warmest | 101° | 70° | 85° | — | — |
| 1981 | 94° | 63° | 78° | — | — |
| 1980 | 83° | 61° | 72° | — | — |
| 1979 | 83° | 64° | 73° | — | — |
| 1978 | 80° | 60° | 70° | — | — |
| 1977 | 79° | 68° | 73° | — | — |
| 1976 | 86° | 63° | 74° | — | — |
| 1975 | 77° | 64° | 71° | — | — |
| 1974 | 79° | 65° | 72° | — | — |
| 1973 | 90° | 68° | 79° | — | — |
| 1972 | 93° | 62° | 78° | — | — |
| 1971 | 81° | 68° | 74° | — | — |
Long Beach, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Long Beach, CA Monthly Precipitation
Average rainfall per month, in inches.
Long Beach, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Long Beach, CA
Most pleasant months in Long Beach, CA: June, July.