Hillsboro Weather in January
Average highs run from 34°F on January 1 to 34°F on January 31, and lows from 18°F to 15°F. Normal precipitation for the month is 2.33 in over about 9 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 33°F
- Average low
- 16°F
- Precipitation
- 2.33 in
- Snowfall
- 8.1 in
- Record high
- 67°FJan 30, 2013
- Record low
- -31°FJan 19, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 23 min to 10 h 09 min
- Cloud cover
- 72%
- Humidity
- 87%
- Dew point
- 22°F
- Wind
- 11.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 34°F | 18°F | 58°F 2007 | -14°F 2018 | 30% | 17% |
| Jan 2 | 34°F | 18°F | 59°F 2000 | -19°F 2018 | 30% | 18% |
| Jan 3 | 34°F | 18°F | 63°F 2004 | -17°F 2018 | 30% | 18% |
| Jan 4 | 34°F | 18°F | 61°F 1997 | -14°F 2014 | 30% | 18% |
| Jan 5 | 34°F | 17°F | 64°F 1997 | -26°F 1999 | 30% | 18% |
| Jan 6 | 34°F | 17°F | 57°F 1998 | -26°F 1999 | 30% | 18% |
| Jan 7 | 33°F | 17°F | 62°F 2008 | -17°F 2014 | 30% | 18% |
| Jan 8 | 33°F | 17°F | 65°F 2008 | -16°F 2014 | 29% | 19% |
| Jan 9 | 33°F | 16°F | 64°F 2026 | -10°F 2015 | 29% | 19% |
| Jan 10 | 33°F | 16°F | 60°F 2026 | -20°F 1999 | 29% | 19% |
| Jan 11 | 33°F | 16°F | 62°F 2020 | -4°F 1997 | 29% | 19% |
| Jan 12 | 33°F | 16°F | 60°F 2013 | -11°F 1997 | 29% | 19% |
| Jan 13 | 33°F | 16°F | 65°F 1995 | -15°F 1997 | 28% | 19% |
| Jan 14 | 33°F | 16°F | 61°F 1995 | -12°F 1997 | 28% | 19% |
| Jan 15 | 33°F | 15°F | 55°F 1995 | -12°F 1994 | 28% | 19% |
| Jan 16 | 33°F | 15°F | 57°F 1986 | -17°F 2009 | 28% | 19% |
| Jan 17 | 32°F | 15°F | 64°F 1990 | -16°F 2009 | 28% | 19% |
| Jan 18 | 32°F | 15°F | 62°F 1990 | -17°F 1994 | 28% | 19% |
| Jan 19 | 32°F | 15°F | 63°F 1996 | -31°F 1994 | 27% | 19% |
| Jan 20 | 32°F | 15°F | 55°F 2006 | -25°F 1985 | 27% | 19% |
| Jan 21 | 32°F | 15°F | 61°F 1986 | -26°F 1994 | 27% | 19% |
| Jan 22 | 33°F | 15°F | 52°F 1999 | -25°F 1994 | 27% | 19% |
| Jan 23 | 33°F | 15°F | 56°F 1999 | -5°F 2003 | 27% | 19% |
| Jan 24 | 33°F | 15°F | 60°F 1999 | -10°F 2003 | 27% | 19% |
| Jan 25 | 33°F | 15°F | 55°F 1989 | -12°F 2000 | 27% | 19% |
| Jan 26 | 33°F | 15°F | 56°F 1989 | -6°F 1985 | 27% | 19% |
| Jan 27 | 33°F | 15°F | 54°F 2018 | -25°F 2003 | 27% | 19% |
| Jan 28 | 33°F | 15°F | 62°F 1999 | -14°F 2003 | 27% | 19% |
| Jan 29 | 33°F | 15°F | 65°F 2002 | -12°F 2026 | 27% | 19% |
| Jan 30 | 33°F | 15°F | 67°F 2013 | -12°F 2004 | 27% | 19% |
| Jan 31 | 34°F | 15°F | 56°F 1988 | -27°F 2004 | 27% | 19% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 8:11 AM, sunset 5:34 PM
- January 31
- sunrise 7:58 AM, sunset 6:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00120331 (Attica 2E), public domain. Records: NOAA GHCN-Daily, station USC00121873, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.