Weather on February 18
Fullerton, CA
55 Years of Data
About This Date
February 18th in Fullerton, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 47°F. Over 56 years of records, the warmest February 18th was in 1982 (70°F average), while the coldest was 1994 (47°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 20% of February 18th dates historically, with the wettest February 18th recording 5.21" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for February 18th in Fullerton, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 58° | 50° | 54° | 0.48" | — |
| 2025 | 69° | 52° | 60° | — | — |
| 2024 | 67° | 52° | 59° | — | — |
| 2023 | 73° | 47° | 60° | — | — |
| 2022 | 77° | 49° | 63° | — | — |
| 2021 | 75° | 53° | 64° | — | — |
| 2020 | 74° | 49° | 61° | — | — |
| 2019 | 61° | 37° | 49° | — | — |
| 2018 | 74° | 48° | 61° | — | — |
| 2017 | 61° | 53° | 57° | 3.28" | — |
| 2016 | 72° | 56° | 64° | 1.32" | — |
| 2015 | 75° | 53° | 64° | — | — |
| 2014 | 74° | 55° | 64° | — | — |
| 2013 | 67° | 49° | 58° | — | — |
| 2012 | 64° | 44° | 54° | — | — |
| 2011 | 63° | 47° | 55° | 0.2" | — |
| 2010 | 74° | 47° | 60° | — | — |
| 2009 | 68° | 45° | 56° | — | — |
| 2008 | 70° | 47° | 58° | — | — |
| 2007 | 82° | 57° | 70° | — | — |
| 2006 | 61° | 43° | 52° | — | — |
| 2005 | 64° | 56° | 60° | 1.09" | — |
| 2004 | 73° | 48° | 61° | 1.07" | — |
| 2003 | 72° | 50° | 61° | — | — |
| 2002 | 62° | 40° | 51° | 0.03" | — |
| 2001 | 66° | 49° | 57° | — | — |
| 2000 | 74° | 43° | 58° | — | — |
| 1999 | 66° | 51° | 59° | — | — |
| 1998 | 65° | 41° | 53° | — | — |
| 1997 | 79° | 46° | 62° | — | — |
| 1996 | 68° | 58° | 63° | — | — |
| 1995 | 81° | 49° | 65° | — | — |
| 1994coldest | 59° | 36° | 47° | — | — |
| 1993 | 70° | 55° | 62° | 1.19" | — |
| 1992 | 69° | 47° | 58° | — | — |
| 1991 | 74° | 45° | 59° | — | — |
| 1990 | 53° | 42° | 48° | 1.42" | — |
| 1989 | 64° | 47° | 55° | — | — |
| 1988 | 70° | 47° | 58° | — | — |
| 1987 | 71° | 43° | 57° | — | — |
| 1986 | 70° | 56° | 63° | — | — |
| 1985 | 69° | 53° | 61° | — | — |
| 1984 | 73° | 40° | 56° | — | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982warmest | 82° | 57° | 70° | — | — |
| 1981 | 87° | 48° | 68° | — | — |
| 1980 | 68° | 55° | 62° | 5.21" | — |
| 1979 | 70° | 42° | 56° | — | — |
| 1978 | 73° | 40° | 56° | — | — |
| 1977 | 74° | 43° | 58° | — | — |
| 1976 | 74° | 42° | 58° | — | — |
| 1975 | 66° | 32° | 49° | — | — |
| 1974 | 64° | 38° | 51° | — | — |
| 1973 | 73° | 41° | 57° | — | — |
| 1972 | 74° | 46° | 60° | — | — |
| 1971 | 65° | 43° | 54° | 0.03" | — |
Fullerton, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fullerton, CA Monthly Precipitation
Average rainfall per month, in inches.
Fullerton, 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 Fullerton, CA
Fullerton, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.