Weather on January 18
Murrieta, CA
55 Years of Data
Avg High
67°F
Avg Low
44°F
Warmest
1994
70°F avg
Coldest
1990
42°F avg
About This Date
January 18th in Murrieta, CA typically brings mild winter weather, with average highs around 67°F and lows near 44°F. Over 56 years of records, the warmest January 18th was in 1994 (70°F average), while the coldest was 1990 (42°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 5% of January 18th dates historically, with the wettest January 18th recording 4.19" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for January 18th in Murrieta, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 78° | 56° | 67° | — | — |
| 2025 | 61° | 41° | 51° | — | — |
| 2024 | 66° | 45° | 55° | — | — |
| 2023 | 55° | 37° | 46° | — | — |
| 2022 | 58° | 49° | 53° | — | — |
| 2021 | 78° | 47° | 62° | — | — |
| 2020 | 67° | 45° | 56° | — | — |
| 2019 | 59° | 48° | 54° | — | — |
| 2018 | 76° | 56° | 66° | — | — |
| 2017 | 57° | 44° | 51° | — | — |
| 2016 | 58° | 47° | 52° | — | — |
| 2015 | 72° | 53° | 62° | — | — |
| 2014 | 81° | 56° | 68° | — | — |
| 2013 | 74° | 51° | 62° | — | — |
| 2012 | 63° | 40° | 51° | — | — |
| 2011 | 79° | 59° | 69° | — | — |
| 2010 | 50° | 46° | 48° | — | — |
| 2009 | 75° | 55° | 65° | — | — |
| 2008 | 61° | 41° | 51° | — | — |
| 2007 | 62° | 37° | 50° | — | — |
| 2006 | 65° | 45° | 55° | — | — |
| 2005 | 75° | 57° | 66° | — | — |
| 2004 | 63° | 42° | 52° | — | — |
| 2003 | 76° | 56° | 66° | — | — |
| 2002 | 62° | 38° | 50° | — | — |
| 2001 | 61° | 37° | 49° | — | — |
| 2000 | 79° | 58° | 68° | — | — |
| 1999 | 65° | 46° | 55° | — | — |
| 1998 | 73° | 49° | 61° | — | — |
| 1997 | 70° | 51° | 60° | — | — |
| 1996 | 62° | 42° | 52° | — | — |
| 1995 | 66° | 40° | 53° | — | — |
| 1994warmest | 83° | 57° | 70° | — | — |
| 1993 | 54° | 46° | 50° | 4.11" | — |
| 1992 | 64° | 38° | 51° | — | — |
| 1991 | 68° | 38° | 53° | — | — |
| 1990coldest | 52° | 33° | 42° | — | — |
| 1989 | 73° | 37° | 55° | — | — |
| 1988 | 54° | 38° | 46° | 4.19" | — |
| 1987 | 59° | 35° | 47° | — | — |
| 1986 | 83° | 46° | 64° | — | — |
| 1985 | 68° | 34° | 51° | — | — |
| 1984 | 62° | 31° | 46° | — | — |
| 1983 | 65° | 42° | 53° | — | — |
| 1982 | 58° | 37° | 47° | — | — |
| 1981 | 76° | 40° | 58° | — | — |
| 1980 | 55° | 46° | 51° | — | — |
| 1979 | 58° | 40° | 49° | 0.28" | — |
| 1978 | 60° | 43° | 51° | — | — |
| 1977 | 80° | 48° | 64° | — | — |
| 1976 | 80° | 37° | 59° | — | — |
| 1975 | 85° | 35° | 60° | — | — |
| 1974 | 74° | 39° | 56° | — | — |
| 1973 | 62° | 35° | 49° | — | — |
| 1972 | 67° | 28° | 47° | — | — |
| 1971 | 87° | 45° | 66° | — | — |
56 years of data from SANTA ROSA PLATEAU CALIFORNIA