Weather on December 21
Fremont, CA
55 Years of Data
Avg High
57°F
Avg Low
42°F
Warmest
2005
61°F avg
Coldest
1990
34°F avg
About This Date
December 21st in Fremont, CA typically brings cool winter weather, with average highs around 57°F and lows near 42°F. Over 55 years of records, the warmest December 21st was in 2005 (61°F average), while the coldest was 1990 (34°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 21st dates historically, with the wettest December 21st recording 4.5" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for December 21st in Fremont, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 58° | 60° | — | — |
| 2024 | 59° | 45° | 52° | — | — |
| 2023 | 56° | 44° | 50° | 0.03" | — |
| 2022 | 55° | 35° | 45° | — | — |
| 2021 | 55° | 37° | 46° | — | — |
| 2020 | 58° | 35° | 46° | — | — |
| 2019 | 58° | 44° | 51° | — | — |
| 2018 | 59° | 43° | 51° | 0.08" | — |
| 2017 | 56° | 33° | 44° | — | — |
| 2016 | 64° | 42° | 53° | — | — |
| 2015 | 57° | 50° | 54° | 1.7" | — |
| 2014 | 62° | 54° | 58° | — | — |
| 2013 | 60° | 36° | 48° | — | — |
| 2012 | 58° | 49° | 53° | 0.41" | — |
| 2011 | 61° | 35° | 48° | — | — |
| 2010 | 59° | 48° | 54° | 0.03" | — |
| 2009 | 59° | 51° | 55° | 0.36" | — |
| 2008 | 51° | 41° | 46° | 0.23" | — |
| 2007 | 52° | 34° | 43° | — | — |
| 2006 | 49° | 40° | 44° | 0.76" | — |
| 2005warmest | 66° | 56° | 61° | 0.3" | — |
| 2004 | 63° | 39° | 51° | — | — |
| 2003 | 58° | 49° | 53° | 0.43" | — |
| 2002 | 60° | 47° | 53° | 0.38" | — |
| 2001 | 53° | 41° | 47° | 0.51" | — |
| 2000 | 60° | 40° | 50° | — | — |
| 1999 | 70° | 46° | 58° | — | — |
| 1998 | 46° | 29° | 37° | — | — |
| 1997 | 58° | 40° | 49° | — | — |
| 1996 | 50° | 49° | 49° | 4.5" | — |
| 1995 | 60° | 40° | 50° | — | — |
| 1994 | 53° | 39° | 46° | — | — |
| 1993 | 50° | 28° | 39° | — | — |
| 1992 | 58° | 40° | 49° | — | — |
| 1991 | 58° | 34° | 46° | — | — |
| 1990coldest | 45° | 24° | 34° | — | — |
| 1989 | 53° | 38° | 45° | — | — |
| 1988 | 52° | 38° | 45° | 1.98" | — |
| 1987 | 55° | 37° | 46° | — | — |
| 1986 | 57° | 41° | 49° | — | — |
| 1985 | 58° | 38° | 48° | — | — |
| 1984 | 55° | 40° | 47° | — | — |
| 1983 | 54° | 43° | 48° | — | — |
| 1982 | 60° | 53° | 57° | 0.48" | — |
| 1981 | 64° | 54° | 59° | 0.2" | — |
| 1980 | 61° | 51° | 56° | — | — |
| 1979 | 57° | 45° | 51° | 0.2" | — |
| 1978 | 52° | 36° | 44° | — | — |
| 1977 | 64° | 43° | 53° | 0.03" | — |
| 1976 | 67° | 38° | 52° | — | — |
| 1975 | 56° | 39° | 47° | — | — |
| 1974 | 53° | 38° | 45° | — | — |
| 1973 | 61° | 45° | 53° | 0.25" | — |
| 1972 | 58° | 51° | 54° | — | — |
| 1971 | 50° | 33° | 42° | — | — |
55 years of data from FREMONT