Weather on May 20
Chula Vista, CA
55 Years of Data
About This Date
May 20th in Chula Vista, CA typically brings mild spring weather, with average highs around 69°F and lows near 58°F. Over 56 years of records, the warmest May 20th was in 2001 (70°F average), while the coldest was 1974 (53°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 20th dates historically. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Chula Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 79° | 51° | 65° | — | — |
| 2025 | 76° | 58° | 67° | — | — |
| 2024 | 67° | 59° | 63° | — | — |
| 2023 | 66° | 60° | 63° | — | — |
| 2022 | 67° | 57° | 62° | — | — |
| 2021 | 65° | 58° | 61° | — | — |
| 2020 | 71° | 54° | 62° | — | — |
| 2019 | 67° | 57° | 62° | 0.15" | — |
| 2018 | 64° | 59° | 62° | — | — |
| 2017 | 83° | 58° | 70° | — | — |
| 2016 | 65° | 59° | 62° | — | — |
| 2015 | 69° | 61° | 65° | — | — |
| 2014 | 70° | 60° | 65° | — | — |
| 2013 | 71° | 59° | 65° | — | — |
| 2012 | 75° | 60° | 68° | — | — |
| 2011 | 66° | 57° | 62° | — | — |
| 2010 | 70° | 57° | 63° | — | — |
| 2009 | 74° | 61° | 67° | — | — |
| 2008 | 73° | 63° | 68° | — | — |
| 2007 | 69° | 56° | 62° | — | — |
| 2006 | 76° | 57° | 66° | — | — |
| 2005 | 77° | 56° | 66° | — | — |
| 2004 | 69° | 61° | 65° | — | — |
| 2003 | 67° | 56° | 61° | — | — |
| 2002 | 66° | — | — | — | — |
| 2001warmest | 73° | 67° | 70° | — | — |
| 2000 | 69° | 60° | 65° | — | — |
| 1999 | 65° | 58° | 61° | — | — |
| 1998 | 67° | 55° | 61° | — | — |
| 1997 | 72° | 59° | 65° | — | — |
| 1996 | 72° | 63° | 67° | — | — |
| 1995 | 67° | 61° | 64° | — | — |
| 1994 | 69° | 50° | 60° | — | — |
| 1993 | 71° | 64° | 68° | — | — |
| 1992 | 71° | 63° | 67° | — | — |
| 1991 | 65° | 56° | 60° | — | — |
| 1990 | 69° | 57° | 63° | — | — |
| 1989 | 74° | 54° | 64° | — | — |
| 1988 | 78° | 57° | 68° | — | — |
| 1987 | 69° | 59° | 64° | — | — |
| 1986 | 70° | 60° | 65° | — | — |
| 1985 | 71° | 59° | 65° | — | — |
| 1984 | 71° | 54° | 62° | — | — |
| 1983 | 73° | 54° | 63° | — | — |
| 1982 | 66° | 59° | 63° | — | — |
| 1981 | 66° | 58° | 62° | 0.05" | — |
| 1980 | 65° | 57° | 61° | — | — |
| 1979 | 65° | 58° | 61° | — | — |
| 1978 | 76° | 63° | 69° | — | — |
| 1977 | 64° | 52° | 58° | — | — |
| 1976 | 64° | 57° | 61° | — | — |
| 1975 | 60° | 54° | 57° | 0.08" | — |
| 1974coldest | 61° | 46° | 53° | — | — |
| 1973 | 63° | 57° | 60° | — | — |
| 1972 | 64° | 51° | 58° | 0.18" | — |
| 1971 | 70° | 54° | 62° | — | — |
Chula Vista, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Chula Vista, CA Monthly Precipitation
Average rainfall per month, in inches.
Chula Vista, 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 Chula Vista, CA
Most pleasant months in Chula Vista, CA: June.