Weather on March 17
Fullerton, CA
55 Years of Data
About This Date
March 17th in Fullerton, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 50°F. Over 56 years of records, the warmest March 17th was in 2026 (81°F average), while the coldest was 1982 (48°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 17th dates historically, with the wettest March 17th recording 2.26" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for March 17th in Fullerton, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 100° | 62° | 81° | — | — |
| 2025 | 66° | 51° | 59° | 0.01" | — |
| 2024 | 69° | 49° | 59° | — | — |
| 2023 | 75° | 48° | 62° | — | — |
| 2022 | 89° | 54° | 71° | — | — |
| 2021 | 73° | 45° | 59° | — | — |
| 2020 | 63° | 47° | 55° | 0.3" | — |
| 2019 | 87° | 54° | 70° | — | — |
| 2018 | 63° | 53° | 58° | 0.04" | — |
| 2017 | 82° | 55° | 69° | — | — |
| 2016 | 88° | 56° | 72° | — | — |
| 2015 | 86° | 59° | 73° | — | — |
| 2014 | 89° | 53° | 71° | — | — |
| 2013 | 71° | 53° | 62° | — | — |
| 2012 | 60° | 49° | 54° | 0.56" | — |
| 2011 | 73° | 54° | 63° | — | — |
| 2010 | 90° | 57° | 73° | — | — |
| 2009 | 78° | 49° | 63° | — | — |
| 2008 | 74° | 42° | 58° | — | — |
| 2007 | 79° | 56° | 67° | — | — |
| 2006 | 60° | 46° | 53° | 0.16" | — |
| 2005 | 73° | 50° | 62° | — | — |
| 2004 | 85° | 54° | 69° | — | — |
| 2003 | 67° | 52° | 59° | — | — |
| 2002 | 61° | 41° | 51° | — | — |
| 2001 | 73° | 47° | 60° | — | — |
| 2000 | 77° | 55° | 66° | — | — |
| 1999 | 60° | 44° | 52° | — | — |
| 1998 | 67° | 57° | 62° | — | — |
| 1997 | 71° | 48° | 60° | — | — |
| 1996 | 69° | 53° | 61° | — | — |
| 1995 | 72° | 58° | 65° | — | — |
| 1994 | 75° | 53° | 64° | — | — |
| 1993 | 75° | 59° | 67° | — | — |
| 1992 | 67° | 52° | 59° | — | — |
| 1991 | 68° | 43° | 55° | — | — |
| 1990 | 79° | 53° | 66° | — | — |
| 1989 | 69° | 52° | 60° | — | — |
| 1988 | 80° | 47° | 63° | — | — |
| 1987 | 70° | 46° | 58° | 0.32" | — |
| 1986 | 65° | 42° | 53° | 0.01" | — |
| 1985 | 68° | 46° | 57° | — | — |
| 1984 | 67° | 50° | 58° | — | — |
| 1983 | 65° | 52° | 58° | 0.7" | — |
| 1982coldest | 56° | 41° | 48° | 2.26" | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 80° | 49° | 64° | — | — |
| 1979 | 64° | 42° | 53° | 0.72" | — |
| 1978 | 91° | 66° | 79° | — | — |
| 1977 | 62° | 35° | 49° | 0.31" | — |
| 1976 | 81° | 54° | 67° | — | — |
| 1975 | 67° | 34° | 50° | — | — |
| 1974 | 77° | 47° | 62° | — | — |
| 1973 | 64° | 41° | 53° | — | — |
| 1972 | 64° | 52° | 58° | — | — |
| 1971 | 72° | 43° | 57° | — | — |
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
Most pleasant months in Fullerton, CA: January, February, March, April, May, June, October, November, December.
What to expect on March 17th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
March 17th outlook →