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Long Beach, CA Weather on April 20
April 20th in Long Beach, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 54°F. Over 55 years of records, the warmest April 20th was in 2009 (81°F average), while the coldest was 2001 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 11% of April 20th dates historically, with the wettest April 20th recording 1.22" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
What to Expect on April 20
Planning for April 20th in Long Beach, CA? Great weather for outdoor activities.
April 20 Weather Records for Long Beach
- •The all-time record high for April 20th in Long Beach, CA is 100°F, set in 2009.
- •The coldest April 20th on record dropped to 45°F in 1972.
- •Temperatures have reached 90°F or higher on April 20th in 3 of the last 55 years.
- •Last year (1971), April 20th was 10°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest April 20 ever in Long Beach?
The warmest April 20 in Long Beach, CA reached 100°F in 2009. That is 26°F above the long-term average high of 74°F.
What was the coldest April 20 ever in Long Beach?
The coldest April 20 in Long Beach, CA dropped to 45°F in 1972. That is 9°F below the long-term average low of 54°F.
What is the average temperature on April 20 in Long Beach?
On April 20, Long Beach averages a high of 74°F and a low of 54°F based on 55 years of NOAA weather observations from LONG BEACH AQUARIUM.
How many years of weather data are available for April 20 in Long Beach?
We have 55 years of weather records for April 20 in Long Beach, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 20 Weather History in Long Beach
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 73°F | 52°F | 0" | -- |
| 2024 | 71°F | 60°F | 0" | -- |
| 2023 | 81°F | 52°F | 0" | -- |
| 2022 | 67°F | 56°F | 0" | -- |
| 2021 | 64°F | 57°F | 0" | -- |
| 2020 | 67°F | 57°F | 0" | -- |
| 2019 | 67°F | 58°F | 0" | -- |
| 2018 | 75°F | 52°F | 0" | -- |
| 2017 | 78°F | 56°F | 0" | -- |
| 2016 | 88°F | 58°F | 0" | -- |
| 2015 | 70°F | 58°F | 0" | -- |
| 2014 | 76°F | 58°F | 0" | -- |
| 2013 | 81°F | 55°F | 0" | -- |
| 2012 | 79°F | 58°F | 0" | -- |
| 2011 | 70°F | 57°F | 0" | -- |
| 2010 | 66°F | 54°F | 0.08" | -- |
| 2009 | 100°F | 62°F | 0" | -- |
| 2008 | 64°F | 49°F | 0" | -- |
| 2007 | 59°F | 53°F | 1.22" | -- |
| 2006 | 76°F | 52°F | 0" | -- |
| 2005 | 69°F | 50°F | 0" | -- |
| 2004 | 70°F | 51°F | 0" | -- |
| 2003 | 77°F | 51°F | 0" | -- |
| 2002 | 67°F | 51°F | 0" | -- |
| 2001 | 64°F | 49°F | 0.1" | -- |
| 2000 | 79°F | 52°F | 0" | -- |
| 1999 | 70°F | 55°F | 0" | -- |
| 1998 | 85°F | 55°F | 0" | -- |
| 1997 | 78°F | 59°F | 0" | -- |
| 1996 | 73°F | 51°F | 0" | -- |
| 1995 | 65°F | 49°F | 0" | -- |
| 1994 | 69°F | 58°F | 0" | -- |
| 1993 | 86°F | 55°F | 0" | -- |
| 1992 | 83°F | 57°F | 0" | -- |
| 1991 | 67°F | 54°F | 0" | -- |
| 1990 | 74°F | 58°F | 0" | -- |
| 1989 | 77°F | 60°F | 0" | -- |
| 1988 | 62°F | 52°F | 1.07" | -- |
| 1987 | 90°F | 51°F | 0" | -- |
| 1986 | 93°F | 53°F | 0" | -- |
| 1985 | 65°F | 50°F | 0" | -- |
| 1984 | 73°F | 55°F | 0" | -- |
| 1983 | 65°F | 55°F | 0.53" | -- |
| 1982 | 87°F | 56°F | 0" | -- |
| 1981 | 69°F | 46°F | 0.03" | -- |
| 1980 | 69°F | 55°F | 0" | -- |
| 1979 | 81°F | 50°F | 0" | -- |
| 1978 | 71°F | 52°F | 0" | -- |
| 1977 | 71°F | 54°F | 0" | -- |
| 1976 | 84°F | 52°F | 0" | -- |
| 1975 | 74°F | 48°F | 0" | -- |
| 1974 | 68°F | 52°F | 0" | -- |
| 1973 | 73°F | 47°F | 0" | -- |
| 1972 | 72°F | 45°F | 0" | -- |
| 1971 | 64°F | 58°F | 0" | -- |
Based on 55 years of data from NOAA station: LONG BEACH AQUARIUM
Monthly Climate Averages
Historical temperature and precipitation averages for Long Beach, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.