Weather on December 1
Irvine, CA
55 Years of Data
About This Date
December 1st in Irvine, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 45°F — a 26°F daily swing. Over 55 years of records, the warmest December 1st was in 2013 (71°F average), while the coldest was 1985 (50°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of December 1st dates historically, with the wettest December 1st recording 1.7" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for December 1st in Irvine, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 49° | 60° | — | — |
| 2024 | 72° | 51° | 61° | — | — |
| 2023 | 70° | 49° | 59° | — | — |
| 2022 | 62° | 53° | 58° | — | — |
| 2021 | 79° | 51° | 65° | — | — |
| 2020 | 77° | 50° | 64° | — | — |
| 2019 | 70° | 45° | 57° | — | — |
| 2018 | 70° | 51° | 60° | — | — |
| 2017 | 74° | 47° | 60° | — | — |
| 2016 | 70° | 48° | 59° | — | — |
| 2015 | 71° | 45° | 58° | — | — |
| 2014 | 71° | 52° | 61° | — | — |
| 2013warmest | 83° | 59° | 71° | — | — |
| 2012 | 67° | 49° | 58° | — | — |
| 2011 | 68° | 41° | 55° | — | — |
| 2010 | 74° | 58° | 66° | — | — |
| 2009 | 69° | 46° | 58° | — | — |
| 2008 | 74° | 46° | 60° | — | — |
| 2007 | 59° | 46° | 53° | — | — |
| 2006 | 74° | 45° | 59° | — | — |
| 2005 | 71° | 46° | 59° | — | — |
| 2004 | 63° | 44° | 53° | — | — |
| 2003 | 68° | 53° | 61° | — | — |
| 2002 | 70° | 46° | 58° | — | — |
| 2001 | 63° | 40° | 51° | — | — |
| 2000 | 62° | 44° | 53° | — | — |
| 1999 | 71° | 48° | 60° | — | — |
| 1998 | 64° | 46° | 55° | 1.7" | — |
| 1997 | 72° | 46° | 59° | 0.08" | — |
| 1996 | 72° | 37° | 54° | — | — |
| 1995 | 77° | 43° | 60° | — | — |
| 1994 | 75° | 34° | 54° | — | — |
| 1993 | 76° | 44° | 60° | — | — |
| 1992 | 74° | 33° | 53° | — | — |
| 1991 | 65° | 47° | 56° | — | — |
| 1990 | 74° | 37° | 55° | — | — |
| 1989 | 76° | 34° | 55° | — | — |
| 1988 | 82° | 45° | 63° | — | — |
| 1987 | 67° | 39° | 53° | — | — |
| 1986 | 79° | 38° | 58° | — | — |
| 1985coldest | 59° | 41° | 50° | — | — |
| 1984 | 68° | 44° | 56° | — | — |
| 1983 | 66° | 56° | 61° | — | — |
| 1982 | 58° | 44° | 51° | 1.12" | — |
| 1981 | 68° | 38° | 53° | — | — |
| 1980 | 67° | — | — | — | — |
| 1979 | 78° | 44° | 61° | — | — |
| 1978 | 66° | 46° | 56° | — | — |
| 1977 | 83° | 48° | 65° | — | — |
| 1976 | 82° | 40° | 61° | — | — |
| 1975 | 68° | 34° | 51° | — | — |
| 1974 | 65° | 44° | 54° | — | — |
| 1973 | 67° | 40° | 53° | — | — |
| 1972 | 78° | 38° | 58° | — | — |
| 1971 | 69° | 35° | 52° | — | — |
Irvine, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Irvine, CA Monthly Precipitation
Average rainfall per month, in inches.
Irvine, 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 Irvine, CA
Irvine, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.