Weather on May 12
Hillsboro, OR
55 Years of Data
Avg High
68°F
Avg Low
43°F
Warmest
2023
68°F avg
Coldest
2001
25°F avg
About This Date
May 12th in Hillsboro, OR typically brings mild spring weather, with average highs around 68°F and lows near 43°F — a 25°F daily swing. Over 55 years of records, the warmest May 12th was in 2023 (68°F average), while the coldest was 2001 (25°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 12th dates historically, with the wettest May 12th recording 2.18" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for May 12th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 45° | 53° | 0.23" | — |
| 2024 | 80° | 46° | 63° | — | — |
| 2023warmest | 87° | 48° | 68° | — | — |
| 2022 | 55° | 36° | 45° | 0.46" | — |
| 2021 | 79° | 43° | 61° | — | — |
| 2020 | 61° | 46° | 53° | 0.33" | — |
| 2019 | 74° | 44° | 59° | — | — |
| 2018 | 81° | 43° | 62° | — | — |
| 2017 | 54° | 43° | 48° | 0.18" | — |
| 2016 | 82° | 44° | 63° | — | — |
| 2015 | 56° | 48° | 52° | 0.51" | — |
| 2014 | 77° | 41° | 59° | — | — |
| 2013 | 70° | 58° | 64° | 0.05" | — |
| 2012 | 81° | 38° | 59° | — | — |
| 2011 | 60° | 34° | 47° | — | — |
| 2010 | 66° | 45° | 55° | — | — |
| 2009 | 57° | 37° | 47° | 0.41" | — |
| 2008 | 58° | 37° | 47° | — | — |
| 2007 | 62° | 42° | 52° | — | — |
| 2006 | 61° | 39° | 50° | — | — |
| 2005 | 69° | 52° | 60° | — | — |
| 2004 | 63° | 46° | 54° | — | — |
| 2003 | 66° | 50° | 58° | — | — |
| 2002 | 71° | 40° | 55° | — | — |
| 2001coldest | 74° | -23° | 25° | — | — |
| 2000 | 65° | 52° | 58° | — | — |
| 1999 | 57° | 41° | 49° | 0.18" | — |
| 1998 | 55° | 51° | 53° | 1.52" | — |
| 1997 | 85° | 50° | 67° | — | — |
| 1996 | 64° | 55° | 60° | 2.18" | — |
| 1995 | 62° | 43° | 52° | — | — |
| 1994 | 75° | 51° | 63° | — | — |
| 1993 | 73° | 51° | 62° | — | — |
| 1992 | 61° | 38° | 49° | — | — |
| 1991 | 58° | 48° | 53° | 0.08" | — |
| 1990 | 58° | 46° | 52° | 0.05" | — |
| 1989 | 64° | 42° | 53° | — | — |
| 1988 | 85° | 50° | 67° | — | — |
| 1987 | 82° | 51° | 67° | 1.04" | — |
| 1986 | 55° | 40° | 47° | 0.03" | — |
| 1985 | 58° | 30° | 44° | — | — |
| 1984 | 65° | 45° | 55° | 0.08" | — |
| 1983 | 68° | 39° | 54° | — | — |
| 1982 | 69° | 46° | 58° | — | — |
| 1981 | 65° | 35° | 50° | — | — |
| 1980 | 63° | 50° | 56° | — | — |
| 1979 | 73° | 44° | 59° | — | — |
| 1978 | 61° | 42° | 51° | 0.23" | — |
| 1977 | 67° | 33° | 50° | — | — |
| 1976 | 81° | 41° | 61° | — | — |
| 1975 | 73° | 37° | 55° | — | — |
| 1974 | 59° | 42° | 51° | — | — |
| 1973 | 85° | 43° | 64° | — | — |
| 1972 | 83° | 47° | 65° | — | — |
| 1971 | 86° | 49° | 67° | 0.08" | — |
55 years of data from HILLSBORO