Weather on April 17
Costa Mesa, CA
55 Years of Data
Avg High
71°F
Avg Low
53°F
Warmest
2016
72°F avg
Coldest
1975
53°F avg
About This Date
April 17th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 53°F. Over 55 years of records, the warmest April 17th was in 2016 (72°F average), while the coldest was 1975 (53°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 13% of April 17th dates historically, with the wettest April 17th recording 1.5" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for April 17th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 59° | 62° | — | — |
| 2024 | 72° | 57° | 64° | — | — |
| 2023 | 64° | 56° | 60° | — | — |
| 2022 | 71° | 58° | 64° | — | — |
| 2021 | 69° | 58° | 63° | — | — |
| 2020 | 70° | 59° | 64° | — | — |
| 2019 | 73° | 54° | 63° | — | — |
| 2018 | 69° | 49° | 59° | — | — |
| 2017 | 75° | 56° | 65° | — | — |
| 2016warmest | 90° | 55° | 72° | — | — |
| 2015 | 80° | 55° | 68° | — | — |
| 2014 | 69° | 60° | 65° | — | — |
| 2013 | 71° | 50° | 61° | — | — |
| 2012 | 79° | 54° | 66° | — | — |
| 2011 | 71° | 58° | 64° | — | — |
| 2010 | 72° | 52° | 62° | — | — |
| 2009 | 72° | 49° | 60° | — | — |
| 2008 | 80° | 52° | 66° | — | — |
| 2007 | 65° | 54° | 59° | — | — |
| 2006 | 65° | 54° | 59° | 0.56" | — |
| 2005 | 67° | 56° | 61° | — | — |
| 2004 | 61° | 52° | 56° | 0.46" | — |
| 2003 | 62° | 51° | 57° | — | — |
| 2002 | 64° | 53° | 59° | — | — |
| 2001 | 75° | 49° | 62° | — | — |
| 2000 | 65° | 53° | 59° | 1.5" | — |
| 1999 | 84° | 57° | 71° | — | — |
| 1998 | 79° | 47° | 63° | — | — |
| 1997 | 76° | 56° | 66° | — | — |
| 1996 | 72° | 45° | 58° | 0.1" | — |
| 1995 | 66° | 47° | 56° | 0.03" | — |
| 1994 | 76° | 58° | 67° | — | — |
| 1993 | 74° | 58° | 66° | — | — |
| 1992 | 77° | 58° | 67° | — | — |
| 1991 | 67° | 54° | 60° | — | — |
| 1990 | 70° | 56° | 63° | — | — |
| 1989 | 73° | 59° | 66° | — | — |
| 1988 | 67° | 51° | 59° | — | — |
| 1987 | 71° | 55° | 63° | — | — |
| 1986 | 70° | 48° | 59° | — | — |
| 1985 | 67° | 55° | 61° | — | — |
| 1984 | 75° | 57° | 66° | — | — |
| 1983 | 80° | 50° | 65° | — | — |
| 1982 | 69° | 49° | 59° | — | — |
| 1981 | 70° | 56° | 63° | — | — |
| 1980 | 82° | 56° | 69° | — | — |
| 1979 | 68° | 56° | 62° | — | — |
| 1978 | 71° | 47° | 59° | — | — |
| 1977 | 77° | 57° | 67° | — | — |
| 1976 | 67° | 43° | 55° | — | — |
| 1975coldest | 62° | 44° | 53° | 0.2" | — |
| 1974 | 73° | 54° | 63° | — | — |
| 1973 | 67° | 52° | 59° | — | — |
| 1972 | 74° | 47° | 60° | — | — |
| 1971 | 63° | 46° | 54° | 0.03" | — |
55 years of data from SANTA ANA JOHN WAYNE AP