Weather on December 27
Hillsboro, OR
55 Years of Data
Avg High
45°F
Avg Low
34°F
Warmest
1980
54°F avg
Coldest
2021
28°F avg
About This Date
December 27th in Hillsboro, OR typically brings chilly winter weather, with average highs around 45°F and lows near 34°F. Over 55 years of records, the warmest December 27th was in 1980 (54°F average), while the coldest was 2021 (28°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 65% of December 27th dates historically, with the wettest December 27th recording 4.65" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for December 27th in Hillsboro, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 44° | 33° | 39° | 0.03" | — |
| 2024 | 52° | 45° | 48° | 1.19" | — |
| 2023 | 50° | 40° | 45° | 0.81" | — |
| 2022 | 56° | 41° | 48° | 2.51" | — |
| 2021coldest | 31° | 24° | 28° | 0.1" | — |
| 2020 | 52° | 32° | 42° | 0.05" | — |
| 2019 | 42° | 37° | 40° | — | — |
| 2018 | 47° | 36° | 41° | — | — |
| 2017 | 38° | 31° | 35° | — | — |
| 2016 | 45° | 31° | 38° | 0.64" | — |
| 2015 | 37° | 32° | 35° | 0.99" | — |
| 2014 | 46° | 38° | 42° | 0.36" | — |
| 2013 | 34° | 29° | 32° | — | — |
| 2012 | 42° | 33° | 38° | — | — |
| 2011 | 50° | 43° | 46° | 1.45" | — |
| 2010 | 47° | 38° | 42° | 2.24" | — |
| 2009 | 38° | 25° | 32° | — | — |
| 2008 | 48° | 38° | 43° | 0.41" | — |
| 2007 | 39° | 31° | 35° | 1.14" | — |
| 2006 | 47° | 27° | 37° | 0.13" | — |
| 2005 | 53° | 46° | 50° | 2.08" | — |
| 2004 | 54° | 32° | 43° | — | — |
| 2003 | 41° | 35° | 38° | 1.78" | — |
| 2002 | 53° | 39° | 46° | 1.98" | — |
| 2001 | 41° | 39° | 40° | 0.1" | — |
| 2000 | 48° | 30° | 39° | 0.25" | — |
| 1999 | 52° | 30° | 41° | — | — |
| 1998 | 55° | 40° | 47° | 4.65" | — |
| 1997 | 48° | 37° | 43° | — | — |
| 1996 | 45° | 32° | 38° | — | — |
| 1995 | 40° | 35° | 37° | 0.15" | — |
| 1994 | 58° | 36° | 47° | 0.1" | — |
| 1993 | 37° | 25° | 31° | — | — |
| 1992 | 46° | 37° | 42° | 0.3" | — |
| 1991 | 46° | 38° | 42° | 0.18" | — |
| 1990 | 39° | 30° | 35° | 0.05" | — |
| 1989 | 44° | 26° | 35° | — | — |
| 1988 | 36° | 32° | 34° | — | — |
| 1987 | 40° | 24° | 32° | — | — |
| 1986 | 54° | 39° | 46° | 0.03" | — |
| 1985 | 39° | 19° | 29° | — | — |
| 1984 | 43° | 35° | 39° | 0.46" | — |
| 1983 | 34° | 28° | 31° | 0.08" | — |
| 1982 | 46° | 29° | 37° | — | — |
| 1981 | 43° | 32° | 37° | 0.58" | — |
| 1980warmest | 60° | 49° | 54° | 0.38" | — |
| 1979 | 53° | 29° | 41° | — | — |
| 1978 | 37° | 23° | 30° | 0.03" | — |
| 1977 | 43° | 30° | 36° | — | — |
| 1976 | 47° | 34° | 40° | 0.05" | — |
| 1975 | 48° | 35° | 42° | 0.18" | — |
| 1974 | 51° | 34° | 42° | 2.44" | — |
| 1973 | 50° | 36° | 43° | 2.08" | — |
| 1972 | 52° | 41° | 46° | 0.51" | — |
| 1971 | 40° | 27° | 33° | — | — |
55 years of data from HILLSBORO