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Corona, CA Weather on April 20
April 20th in Corona, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 46°F — a 32°F daily swing. Over 46 years of records, the warmest April 20th was in 2009 (81°F average), while the coldest was 2007 (49°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 20th dates historically, with the wettest April 20th recording 1.78" of rain. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on April 20
Planning for April 20th in Corona, CA? Great weather for outdoor activities.
April 20 Weather Records for Corona
- •The all-time record high for April 20th in Corona, CA is 102°F, set in 2009.
- •The coldest April 20th on record dropped to 35°F in 2013.
- •Temperatures have reached 90°F or higher on April 20th in 5 of the last 46 years.
- •Last year (1971), April 20th was 17°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest April 20 ever in Corona?
The warmest April 20 in Corona, CA reached 102°F in 2009. That is 24°F above the long-term average high of 78°F.
What was the coldest April 20 ever in Corona?
The coldest April 20 in Corona, CA dropped to 35°F in 2013. That is 11°F below the long-term average low of 46°F.
What is the average temperature on April 20 in Corona?
On April 20, Corona averages a high of 78°F and a low of 46°F based on 46 years of NOAA weather observations from CORONA CALIFORNIA.
How many years of weather data are available for April 20 in Corona?
We have 46 years of weather records for April 20 in Corona, 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 Corona
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 80°F | 39°F | 0" | -- |
| 2024 | 75°F | 51°F | 0" | -- |
| 2023 | 84°F | 40°F | 0" | -- |
| 2022 | 73°F | 51°F | 0" | -- |
| 2021 | 77°F | 51°F | 0" | -- |
| 2020 | 69°F | 53°F | 0" | -- |
| 2019 | 67°F | 53°F | 0" | -- |
| 2018 | 79°F | 38°F | 0" | -- |
| 2017 | 79°F | 45°F | 0" | -- |
| 2016 | 89°F | 40°F | 0" | -- |
| 2015 | 74°F | 44°F | 0" | -- |
| 2014 | 83°F | 47°F | 0" | -- |
| 2013 | 91°F | 35°F | 0" | -- |
| 2012 | 99°F | 56°F | 0" | -- |
| 2011 | 72°F | 58°F | -- | -- |
| 2010 | 76°F | 50°F | -- | -- |
| 2009 | 102°F | 61°F | -- | -- |
| 2008 | 69°F | 49°F | -- | -- |
| 2007 | 53°F | 45°F | 1.17" | -- |
| 2006 | 83°F | 51°F | -- | -- |
| 2005 | 74°F | 47°F | -- | -- |
| 2004 | 73°F | 49°F | -- | -- |
| 2003 | 80°F | 51°F | -- | -- |
| 2002 | 74°F | 44°F | -- | -- |
| 2001 | 65°F | 41°F | 0" | -- |
| 2000 | 83°F | 47°F | 0" | -- |
| 1999 | 82°F | 50°F | 0" | -- |
| 1998 | 92°F | 47°F | 0" | -- |
| 1988 | 71°F | 47°F | 1.78" | -- |
| 1987 | 88°F | 52°F | 0" | -- |
| 1986 | 95°F | 42°F | 0" | -- |
| 1985 | 68°F | 47°F | 0" | -- |
| 1984 | 75°F | 44°F | 0" | -- |
| 1983 | 67°F | 51°F | 1.45" | -- |
| 1982 | 85°F | 46°F | 0" | -- |
| 1981 | 72°F | 43°F | 0.08" | -- |
| 1980 | 80°F | 48°F | 0" | -- |
| 1979 | 78°F | 42°F | 0" | -- |
| 1978 | 69°F | 47°F | 0" | -- |
| 1977 | 83°F | 42°F | 0" | -- |
| 1976 | 88°F | 49°F | 0" | -- |
| 1975 | 79°F | 40°F | 0" | -- |
| 1974 | 70°F | 41°F | 0" | -- |
| 1973 | 72°F | 40°F | 0" | -- |
| 1972 | 74°F | 36°F | 0" | -- |
| 1971 | 61°F | 45°F | 0" | -- |
Based on 46 years of data from NOAA station: CORONA CALIFORNIA
Monthly Climate Averages
Historical temperature and precipitation averages for Corona, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.