Weather on December 22
Hillsboro, OR
55 Years of Data
Avg High
44°F
Avg Low
33°F
Warmest
1972
52°F avg
Coldest
1990
13°F avg
About This Date
December 22nd in Hillsboro, OR typically brings chilly winter weather, with average highs around 44°F and lows near 33°F. Over 55 years of records, the warmest December 22nd was in 1972 (52°F average), while the coldest was 1990 (13°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 73% of December 22nd dates historically, with the wettest December 22nd recording 2.13" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for December 22nd in Hillsboro, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 34° | 43° | 0.56" | — |
| 2024 | 52° | 40° | 46° | 0.56" | — |
| 2023 | 49° | 30° | 40° | 0.43" | — |
| 2022 | 24° | 20° | 22° | 0.05" | — |
| 2021 | 48° | 41° | 45° | 0.97" | — |
| 2020 | 49° | 31° | 40° | 0.08" | — |
| 2019 | 46° | 40° | 43° | 0.56" | — |
| 2018 | 45° | 28° | 37° | 1.17" | — |
| 2017 | 37° | 31° | 34° | 0.64" | — |
| 2016 | 35° | 28° | 32° | 0.15" | — |
| 2015 | 44° | 32° | 38° | 0.84" | — |
| 2014 | 54° | 42° | 48° | 0.08" | — |
| 2013 | 52° | 41° | 46° | — | — |
| 2012 | 46° | 40° | 43° | 0.58" | — |
| 2011 | 42° | 21° | 32° | — | — |
| 2010 | 49° | 37° | 43° | — | — |
| 2009 | 42° | 26° | 34° | 0.03" | — |
| 2008 | 28° | 24° | 26° | — | — |
| 2007 | 43° | 32° | 37° | 0.51" | — |
| 2006 | 41° | 34° | 37° | 0.15" | — |
| 2005 | 55° | 44° | 50° | 2.01" | — |
| 2004 | 46° | 34° | 40° | 0.03" | — |
| 2003 | 48° | 33° | 41° | 0.03" | — |
| 2002 | 45° | 40° | 42° | 0.1" | — |
| 2001 | 42° | 27° | 34° | — | — |
| 2000 | 51° | 44° | 48° | 1.32" | — |
| 1999 | 61° | 38° | 49° | — | — |
| 1998 | 27° | 10° | 18° | — | — |
| 1997 | 37° | 33° | 35° | 0.38" | — |
| 1996 | 44° | 35° | 40° | 0.56" | — |
| 1995 | 48° | 29° | 38° | — | — |
| 1994 | 46° | 41° | 44° | — | — |
| 1993 | 48° | 25° | 36° | — | — |
| 1992 | 49° | 39° | 44° | — | — |
| 1991 | 43° | 37° | 40° | 1.6" | — |
| 1990coldest | 19° | 6° | 13° | — | — |
| 1989 | 45° | 29° | 37° | — | — |
| 1988 | 45° | 38° | 41° | 0.71" | — |
| 1987 | 38° | 34° | 36° | 0.38" | — |
| 1986 | 46° | 38° | 42° | 0.3" | — |
| 1985 | 42° | 20° | 31° | — | — |
| 1984 | 40° | 30° | 35° | 0.1" | — |
| 1983 | 24° | 14° | 19° | — | — |
| 1982 | 47° | 39° | 43° | 1.52" | — |
| 1981 | 50° | 33° | 42° | 0.13" | — |
| 1980 | 57° | 45° | 51° | 2.13" | — |
| 1979 | 50° | 33° | 42° | 0.08" | — |
| 1978 | 48° | 37° | 43° | 0.08" | — |
| 1977 | 45° | 32° | 38° | 0.13" | — |
| 1976 | 41° | 32° | 37° | 0.2" | — |
| 1975 | 42° | 35° | 39° | 0.33" | — |
| 1974 | 43° | 33° | 38° | 0.1" | — |
| 1973 | 50° | 41° | 46° | 0.53" | — |
| 1972warmest | 57° | 46° | 52° | 1.19" | — |
| 1971 | 47° | 36° | 41° | 1.57" | — |
55 years of data from HILLSBORO