Weather on December 20
Gresham, OR
55 Years of Data
Avg High
46°F
Avg Low
35°F
Warmest
2019
55°F avg
Coldest
1990
20°F avg
About This Date
December 20th in Gresham, OR typically brings chilly winter weather, with average highs around 46°F and lows near 35°F. Over 54 years of records, the warmest December 20th was in 2019 (55°F average), while the coldest was 1990 (20°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 61% of December 20th dates historically, with the wettest December 20th recording 4.29" of rain. The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Gresham, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 41° | 46° | 0.03" | — |
| 2024 | 53° | 49° | 51° | — | — |
| 2023 | 53° | 39° | 46° | — | — |
| 2022 | 50° | 32° | 41° | 0.41" | — |
| 2021 | 41° | 39° | 40° | 0.94" | — |
| 2020 | 57° | 48° | 53° | 4.29" | — |
| 2019warmest | 60° | 50° | 55° | 0.28" | — |
| 2018 | 55° | 41° | 48° | 0.38" | — |
| 2017 | 47° | 28° | 38° | 0.03" | — |
| 2016 | 52° | 36° | 44° | 0.84" | — |
| 2015 | 49° | 38° | 43° | 0.46" | — |
| 2014 | 60° | 45° | 52° | 1.65" | — |
| 2013 | 47° | 33° | 40° | 0.43" | — |
| 2012 | 45° | 38° | 41° | 1.83" | — |
| 2011 | 42° | 36° | 39° | — | — |
| 2010 | 39° | 34° | 36° | 0.58" | — |
| 2009 | 47° | 42° | 44° | 0.48" | — |
| 2008 | 31° | 17° | 24° | — | — |
| 2007 | 45° | 35° | 40° | 0.89" | — |
| 2006 | 35° | 30° | 33° | 0.61" | — |
| 2005 | 38° | 34° | 36° | 1.17" | — |
| 2004 | 47° | 33° | 40° | — | — |
| 2003 | 46° | 38° | 42° | 0.51" | — |
| 2002 | 45° | 42° | 43° | 0.48" | — |
| 2001 | 43° | 40° | 41° | 0.69" | — |
| 2000 | 43° | 37° | 40° | 0.46" | — |
| 1999 | 49° | 44° | 46° | — | — |
| 1998 | 25° | 16° | 20° | — | — |
| 1997 | 48° | 38° | 43° | 0.89" | — |
| 1996 | 47° | 31° | 39° | 0.76" | — |
| 1995 | 45° | 40° | 42° | 0.1" | — |
| 1993 | 42° | 28° | 35° | — | — |
| 1992 | 47° | 34° | 40° | 0.91" | — |
| 1991 | 40° | 34° | 37° | 0.08" | — |
| 1990coldest | 28° | 12° | 20° | — | — |
| 1989 | 52° | 27° | 39° | — | — |
| 1988 | 49° | 40° | 44° | 0.15" | — |
| 1987 | 38° | 26° | 32° | — | — |
| 1986 | 42° | 34° | 38° | — | — |
| 1985 | 34° | — | — | — | — |
| 1984 | 25° | 17° | 21° | — | — |
| 1983 | 35° | 25° | 30° | — | — |
| 1982 | 45° | 30° | 37° | 3.3" | — |
| 1981 | 58° | 37° | 47° | — | — |
| 1980 | 45° | 39° | 42° | 0.53" | — |
| 1979 | 59° | 45° | 52° | 0.15" | — |
| 1978 | 34° | 29° | 31° | — | — |
| 1977 | 47° | 33° | 40° | — | — |
| 1976 | 52° | 34° | 43° | — | — |
| 1975 | 44° | 35° | 40° | — | — |
| 1974 | 59° | 46° | 53° | 1.47" | — |
| 1973 | 47° | 42° | 44° | 1.65" | — |
| 1972 | 60° | 48° | 54° | 0.56" | — |
| 1971 | 44° | 36° | 40° | — | — |
54 years of data from PORTLAND TROUTDALE AP