Weather on December 16
Hillsboro, OR
55 Years of Data
Avg High
48°F
Avg Low
35°F
Warmest
1999
57°F avg
Coldest
2008
22°F avg
About This Date
December 16th in Hillsboro, OR typically brings chilly winter weather, with average highs around 48°F and lows near 35°F. Over 55 years of records, the warmest December 16th was in 1999 (57°F average), while the coldest was 2008 (22°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 60% of December 16th dates historically, with the wettest December 16th recording 6.55" of rain. The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
Planning for December 16th 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 | 59° | 49° | 54° | 0.89" | — |
| 2024 | 51° | 42° | 47° | 0.89" | — |
| 2023 | 49° | 27° | 38° | — | — |
| 2022 | 48° | 25° | 37° | — | — |
| 2021 | 47° | 35° | 41° | — | — |
| 2020 | 50° | 42° | 46° | 1.19" | — |
| 2019 | 51° | 30° | 41° | — | — |
| 2018 | 50° | 42° | 46° | 0.94" | — |
| 2017 | 41° | 26° | 34° | 0.03" | — |
| 2016 | 37° | 17° | 27° | — | — |
| 2015 | 44° | 40° | 42° | 0.56" | — |
| 2014 | 50° | 41° | 46° | 0.05" | — |
| 2013 | 44° | 32° | 38° | — | — |
| 2012 | 49° | 32° | 40° | 2.21" | — |
| 2011 | 45° | 38° | 41° | — | — |
| 2010 | 43° | 33° | 38° | — | — |
| 2009 | 52° | 42° | 47° | 1.17" | — |
| 2008coldest | 32° | 12° | 22° | — | — |
| 2007 | 45° | 33° | 39° | 0.33" | — |
| 2006 | 41° | 28° | 35° | — | — |
| 2005 | 39° | 17° | 28° | — | — |
| 2004 | 49° | 30° | 39° | 0.03" | — |
| 2003 | 49° | 36° | 42° | 0.41" | — |
| 2002 | 53° | 42° | 48° | 4.32" | — |
| 2001 | 48° | 39° | 44° | 0.99" | — |
| 2000 | 54° | 39° | 46° | 0.99" | — |
| 1999warmest | 59° | 55° | 57° | 0.48" | — |
| 1998 | 51° | 35° | 43° | 0.03" | — |
| 1997 | 55° | 45° | 50° | 2.06" | — |
| 1996 | 46° | 33° | 40° | — | — |
| 1995 | 48° | 42° | 45° | 0.05" | — |
| 1994 | 56° | 46° | 51° | 2.54" | — |
| 1993 | 49° | 36° | 42° | — | — |
| 1992 | 46° | 31° | 38° | 0.08" | — |
| 1991 | 44° | 26° | 35° | — | — |
| 1990 | 47° | 29° | 38° | — | — |
| 1989 | 38° | 27° | 32° | — | — |
| 1988 | 49° | 33° | 41° | — | — |
| 1987 | 37° | 30° | 34° | 0.79" | — |
| 1986 | 49° | 30° | 39° | — | — |
| 1985 | 48° | 26° | 37° | — | — |
| 1984 | 37° | 31° | 34° | 0.08" | — |
| 1983 | 41° | 34° | 37° | 0.03" | — |
| 1982 | 54° | 46° | 50° | 6.55" | — |
| 1981 | 53° | 40° | 46° | 0.13" | — |
| 1980 | 60° | 34° | 47° | — | — |
| 1979 | 59° | 34° | 46° | — | — |
| 1978 | 33° | 31° | 32° | 0.03" | — |
| 1977 | 44° | 38° | 41° | 0.74" | — |
| 1976 | 44° | 36° | 40° | 0.05" | — |
| 1975 | 47° | 42° | 44° | 0.05" | — |
| 1974 | 60° | 47° | 53° | 0.18" | — |
| 1973 | 53° | 49° | 51° | 1.24" | — |
| 1972 | 38° | 31° | 34° | 0.81" | — |
| 1971 | 49° | 41° | 45° | — | — |
55 years of data from HILLSBORO