Weather on December 15
Gresham, OR
55 Years of Data
Avg High
47°F
Avg Low
36°F
Warmest
2025
55°F avg
Coldest
2008
24°F avg
About This Date
December 15th in Gresham, OR typically brings chilly winter weather, with average highs around 47°F and lows near 36°F. Over 55 years of records, the warmest December 15th was in 2025 (55°F average), while the coldest was 2008 (24°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 65% of December 15th dates historically, with the wettest December 15th recording 2.84" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Gresham, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 61° | 49° | 55° | 1.37" | — |
| 2024 | 50° | 41° | 46° | 0.25" | — |
| 2023 | 51° | 46° | 49° | — | — |
| 2022 | 45° | 36° | 40° | — | — |
| 2021 | 42° | 37° | 40° | 1.19" | — |
| 2020 | 53° | 42° | 48° | 0.25" | — |
| 2019 | 45° | 35° | 40° | — | — |
| 2018 | 52° | 35° | 43° | 0.08" | — |
| 2017 | 41° | 36° | 38° | 0.03" | — |
| 2016 | 32° | 28° | 30° | — | — |
| 2015 | 43° | 39° | 41° | 0.33" | — |
| 2014 | 47° | 42° | 44° | — | — |
| 2013 | 47° | 38° | 42° | 0.03" | — |
| 2012 | 42° | 34° | 38° | 0.74" | — |
| 2011 | 40° | 34° | 37° | 0.05" | — |
| 2010 | 48° | 41° | 45° | 0.08" | — |
| 2009 | 38° | 34° | 36° | 2.01" | — |
| 2008coldest | 26° | 21° | 24° | — | — |
| 2007 | 49° | 37° | 43° | 0.2" | — |
| 2006 | 61° | 29° | 45° | 0.23" | — |
| 2005 | 30° | 27° | 28° | — | — |
| 2004 | 49° | 39° | 44° | 0.03" | — |
| 2003 | 47° | 36° | 41° | — | — |
| 2002 | 52° | 47° | 49° | 1.52" | — |
| 2001 | 52° | 40° | 46° | 0.91" | — |
| 2000 | 47° | 38° | 42° | 0.18" | — |
| 1999 | 56° | 50° | 53° | 0.66" | — |
| 1998 | 48° | 34° | 41° | — | — |
| 1997 | 46° | 31° | 38° | — | — |
| 1996 | 40° | 31° | 35° | — | — |
| 1995 | 50° | 40° | 45° | 1.78" | — |
| 1994 | 41° | 34° | 37° | 0.41" | — |
| 1993 | 51° | 40° | 45° | 0.18" | — |
| 1992 | 50° | 34° | 42° | 0.33" | — |
| 1991 | 44° | 32° | 38° | — | — |
| 1990 | 45° | 37° | 41° | — | — |
| 1989 | 37° | 33° | 35° | — | — |
| 1988 | 49° | 27° | 38° | — | — |
| 1987 | 42° | 28° | 35° | 0.28" | — |
| 1986 | 42° | 34° | 38° | 0.05" | — |
| 1985 | 37° | 25° | 31° | — | — |
| 1984 | 54° | 33° | 43° | 0.79" | — |
| 1983 | 48° | 38° | 43° | — | — |
| 1982 | 44° | 40° | 42° | 1.52" | — |
| 1981 | 52° | 38° | 45° | 2.84" | — |
| 1980 | 54° | — | — | 0.03" | — |
| 1979 | 57° | 51° | 54° | 0.38" | — |
| 1978 | 50° | 34° | 42° | 0.25" | — |
| 1977 | 60° | 46° | 53° | 1.8" | — |
| 1976 | 48° | 35° | 42° | — | — |
| 1975 | 43° | 33° | 38° | 1.14" | — |
| 1974 | 50° | 43° | 46° | 1.12" | — |
| 1973 | 50° | 42° | 46° | 1.14" | — |
| 1972 | 38° | 18° | 28° | — | — |
| 1971 | 44° | 38° | 41° | 0.3" | — |
55 years of data from PORTLAND TROUTDALE AP