Weather on December 18
Hesperia, CA
55 Years of Data
About This Date
December 18th in Hesperia, CA typically brings mild winter weather, with average highs around 60°F and lows near 32°F — a 28°F daily swing. Over 50 years of records, the warmest December 18th was in 2025 (59°F average), while the coldest was 1984 (33°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 12% of December 18th dates historically. The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Hesperia, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 73° | 45° | 59° | — | — |
| 2020 | 61° | 29° | 45° | — | — |
| 2019 | 48° | 24° | 36° | — | — |
| 2018 | 62° | 39° | 51° | — | — |
| 2017 | 60° | 29° | 44° | — | — |
| 2016 | 48° | 24° | 36° | — | — |
| 2015 | 56° | 29° | 42° | — | — |
| 2014 | 53° | 35° | 44° | — | — |
| 2013 | 65° | 45° | 55° | — | — |
| 2012 | 51° | 40° | 45° | 0.41" | — |
| 2011 | 52° | 35° | 43° | 0.2" | — |
| 2010 | 51° | 49° | 50° | — | — |
| 2009 | 63° | 36° | 49° | — | — |
| 2007 | 61° | 37° | 49° | — | — |
| 2006 | 51° | 23° | 37° | — | — |
| 2005 | 57° | 38° | 47° | — | — |
| 2004 | 64° | 27° | 45° | — | — |
| 2003 | 58° | 33° | 45° | — | — |
| 2002 | 55° | 36° | 45° | 0.03" | — |
| 2001 | 61° | 28° | 44° | — | — |
| 2000 | 70° | 33° | 51° | — | — |
| 1999 | 72° | 29° | 50° | — | — |
| 1998 | 74° | 39° | 56° | — | — |
| 1997 | 64° | 42° | 53° | — | — |
| 1996 | 58° | 27° | 42° | — | — |
| 1995 | 57° | 23° | 40° | — | — |
| 1994 | 62° | 26° | 44° | — | — |
| 1993 | 53° | 23° | 38° | — | — |
| 1992 | 55° | 32° | 44° | — | — |
| 1991 | 59° | 42° | 51° | — | — |
| 1990 | 54° | 23° | 38° | — | — |
| 1989 | 68° | 35° | 52° | — | — |
| 1988 | 54° | 28° | 41° | — | — |
| 1987 | 39° | 31° | 35° | 0.38" | — |
| 1986 | 60° | 33° | 47° | — | — |
| 1985 | 62° | 29° | 45° | — | — |
| 1984coldest | 40° | 26° | 33° | — | — |
| 1983 | 61° | 29° | 45° | — | — |
| 1982 | 70° | 29° | 49° | — | — |
| 1981 | 67° | 31° | 49° | — | — |
| 1980 | 74° | 34° | 54° | — | — |
| 1979 | 70° | 27° | 48° | — | — |
| 1978 | 55° | 41° | 48° | 0.18" | — |
| 1977 | 64° | 44° | 54° | 0.33" | — |
| 1976 | 62° | 28° | 45° | — | — |
| 1975 | 62° | 24° | 43° | — | — |
| 1974 | 63° | 23° | 43° | — | — |
| 1973 | 75° | 31° | 53° | — | — |
| 1972 | 56° | 28° | 42° | — | — |
| 1971 | 55° | 28° | 42° | — | — |
Hesperia, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Hesperia, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Hesperia, 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 Hesperia, CA
Hesperia, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.