Weather on December 13
Hillsboro, OR
55 Years of Data
Avg High
46°F
Avg Low
34°F
Warmest
1977
55°F avg
Coldest
1972
13°F avg
About This Date
December 13th in Hillsboro, OR typically brings chilly winter weather, with average highs around 46°F and lows near 34°F. Over 55 years of records, the warmest December 13th was in 1977 (55°F average), while the coldest was 1972 (13°F) — a 42°F range across recorded history. Precipitation has occurred on 58% of recorded December 13th dates, with snow falling 2% of the time. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for December 13th in Hillsboro, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 45° | 49° | — | — |
| 2024 | 49° | 40° | 44° | 1.02" | — |
| 2023 | 54° | 37° | 45° | — | — |
| 2022 | 42° | 27° | 35° | — | — |
| 2021 | 41° | 32° | 37° | 1.52" | — |
| 2020 | 44° | 38° | 41° | 1.12" | — |
| 2019 | 47° | 35° | 41° | — | — |
| 2018 | 54° | 34° | 44° | — | — |
| 2017 | 49° | 24° | 37° | — | — |
| 2016 | 39° | 32° | 36° | — | — |
| 2015 | 47° | 39° | 43° | 1.27" | — |
| 2014 | 44° | 38° | 41° | — | — |
| 2013 | 40° | 34° | 37° | — | — |
| 2012 | 43° | 35° | 39° | — | — |
| 2011 | 43° | 21° | 32° | — | — |
| 2010 | 57° | 48° | 53° | 0.71" | — |
| 2009 | 36° | 22° | 29° | — | — |
| 2008 | 41° | 34° | 37° | 0.15" | — |
| 2007 | 35° | 27° | 31° | — | — |
| 2006 | 56° | 46° | 51° | 0.97" | — |
| 2005 | 43° | 22° | 32° | — | — |
| 2004 | 49° | 41° | 45° | 0.69" | — |
| 2003 | 48° | 39° | 44° | 3.89" | — |
| 2002 | 58° | 45° | 51° | 1.93" | — |
| 2001 | 49° | — | — | 0.58" | — |
| 2000 | 34° | 31° | 32° | 0.97" | — |
| 1999 | 49° | 44° | 46° | 1.04" | — |
| 1998 | 56° | 38° | 47° | 0.08" | — |
| 1997 | 44° | 33° | 39° | 0.15" | — |
| 1996 | 51° | 33° | 42° | 0.18" | — |
| 1995 | 49° | 45° | 47° | 1.09" | — |
| 1994 | 42° | 29° | 35° | 0.08" | — |
| 1993 | 46° | 36° | 41° | — | — |
| 1992 | 45° | 37° | 41° | 0.03" | — |
| 1991 | 53° | 31° | 42° | — | — |
| 1990 | 40° | 34° | 37° | 0.51" | — |
| 1989 | 43° | 27° | 35° | — | — |
| 1988 | 53° | 40° | 46° | — | — |
| 1987 | 41° | 26° | 34° | — | — |
| 1986 | 41° | 35° | 38° | 1.22" | — |
| 1985 | 40° | 22° | 31° | — | — |
| 1984 | 47° | 33° | 40° | 0.94" | — |
| 1983 | 47° | 40° | 43° | 1.27" | — |
| 1982 | 40° | 35° | 37° | 1.09" | — |
| 1981 | 48° | 34° | 41° | 0.71" | — |
| 1980 | 51° | 36° | 43° | 0.05" | — |
| 1979 | 46° | 39° | 43° | — | — |
| 1978 | 49° | 26° | 37° | — | — |
| 1977warmest | 61° | 49° | 55° | 4.9" | — |
| 1976 | 46° | 34° | 40° | 0.03" | — |
| 1975 | 36° | 30° | 33° | 1.02" | 0.6" |
| 1974 | 46° | 34° | 40° | 0.33" | — |
| 1973 | 47° | 40° | 43° | 1.75" | — |
| 1972coldest | 26° | 0° | 13° | — | — |
| 1971 | 40° | 34° | 37° | 0.48" | — |
55 years of data from HILLSBORO