Umatilla Weather in January
Average highs run from 40°F on January 1 to 42°F on January 31, and lows from 30°F to 31°F. Normal precipitation for the month is 0.88 in over about 13 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
- 41°F
- Average low
- 30°F
- Precipitation
- 0.88 in
- Snowfall
- 1.2 in
- Record high
- 68°FJan 13, 2021
- Record low
- -12°FJan 13, 2017
- Chance of a freeze
- 100%
- Daylight
- 8 h 44 min to 9 h 42 min
- Cloud cover
- 75%
- Humidity
- 81%
- Dew point
- 29°F
- Wind
- 8.3 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 | 40°F | 30°F | 59°F 2020 | -10°F 2022 | 43% | 4% |
| Jan 2 | 40°F | 30°F | 60°F 2007 | 3°F 2022 | 43% | 4% |
| Jan 3 | 40°F | 30°F | 58°F 2003 | 6°F 2011 | 43% | 4% |
| Jan 4 | 40°F | 30°F | 58°F 2008 | -7°F 2004 | 43% | 4% |
| Jan 5 | 41°F | 30°F | 58°F 2001 | -4°F 2017 | 43% | 3% |
| Jan 6 | 41°F | 30°F | 60°F 2020 | -2°F 2017 | 43% | 3% |
| Jan 7 | 41°F | 30°F | 67°F 2002 | -1°F 2017 | 42% | 3% |
| Jan 8 | 41°F | 30°F | 60°F 2002 | 10°F 2004 | 42% | 3% |
| Jan 9 | 41°F | 30°F | 61°F 2006 | 15°F 2017 | 42% | 3% |
| Jan 10 | 41°F | 30°F | 62°F 2006 | 16°F 2004 | 42% | 3% |
| Jan 11 | 41°F | 30°F | 61°F 2014 | -4°F 2017 | 42% | 3% |
| Jan 12 | 41°F | 30°F | 67°F 2021 | -11°F 2017 | 42% | 3% |
| Jan 13 | 41°F | 30°F | 68°F 2021 | -12°F 2017 | 42% | 2% |
| Jan 14 | 41°F | 30°F | 63°F 1999 | -4°F 2024 | 42% | 2% |
| Jan 15 | 41°F | 30°F | 55°F 2014 | -6°F 2024 | 42% | 2% |
| Jan 16 | 41°F | 30°F | 61°F 2011 | -5°F 2024 | 42% | 2% |
| Jan 17 | 41°F | 30°F | 57°F 2011 | -1°F 2017 | 42% | 2% |
| Jan 18 | 41°F | 30°F | 64°F 2010 | 13°F 2007 | 42% | 2% |
| Jan 19 | 41°F | 30°F | 60°F 2010 | 16°F 2007 | 41% | 2% |
| Jan 20 | 41°F | 30°F | 60°F 2010 | 16°F 2025 | 41% | 2% |
| Jan 21 | 41°F | 30°F | 58°F 2010 | 7°F 2008 | 41% | 2% |
| Jan 22 | 41°F | 30°F | 58°F 2016 | 4°F 2008 | 41% | 2% |
| Jan 23 | 41°F | 30°F | 59°F 2011 | 5°F 2008 | 41% | 1% |
| Jan 24 | 42°F | 30°F | 62°F 2015 | 5°F 2008 | 41% | 1% |
| Jan 25 | 42°F | 30°F | 60°F 2020 | 5°F 2008 | 41% | 1% |
| Jan 26 | 42°F | 31°F | 67°F 2003 | -3°F 2009 | 41% | 1% |
| Jan 27 | 42°F | 31°F | 57°F 2003 | 1°F 2009 | 40% | 1% |
| Jan 28 | 42°F | 31°F | 58°F 1999 | 7°F 2008 | 40% | 1% |
| Jan 29 | 42°F | 31°F | 61°F 2004 | 9°F 2023 | 40% | 1% |
| Jan 30 | 42°F | 31°F | 60°F 2006 | 5°F 2023 | 40% | 1% |
| Jan 31 | 42°F | 31°F | 68°F 2020 | 15°F 2017 | 40% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:39 AM, sunset 4:23 PM
- January 31
- sunrise 7:20 AM, sunset 5:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00355392 (Mcnary Dam #2), public domain. Records: NOAA GHCN-Daily, station USW00004113, 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.