Klamath Weather in December
Average highs run from 56°F on December 1 to 54°F on December 31, and lows from 39°F to 38°F. Normal precipitation for the month is 15.25 in over about 18 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 54°F
- Average low
- 38°F
- Precipitation
- 15.25 in
- Record high
- 70°FDec 16, 2023
- Record low
- 25°FDec 8, 2009
- Chance of a freeze
- 87%
- Daylight
- 9 h 24 min to 9 h 13 min
- Cloud cover
- 65%
- Humidity
- 88%
- Dew point
- 37°F
- Wind
- 5.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 56°F | 39°F | 66°F 2014 | 31°F 2007 | 60% |
| Dec 2 | 55°F | 39°F | 62°F 2015 | 34°F 2009 | 60% |
| Dec 3 | 55°F | 39°F | 64°F 2019 | 33°F 2009 | 60% |
| Dec 4 | 55°F | 39°F | 66°F 2002 | 30°F 2013 | 60% |
| Dec 5 | 55°F | 38°F | 65°F 2014 | 31°F 2013 | 60% |
| Dec 6 | 55°F | 38°F | 65°F 2000 | 28°F 2009 | 60% |
| Dec 7 | 55°F | 38°F | 67°F 2017 | 30°F 1951 | 60% |
| Dec 8 | 55°F | 38°F | 65°F 2017 | 25°F 2009 | 60% |
| Dec 9 | 55°F | 38°F | 66°F 1950 | 28°F 2009 | 60% |
| Dec 10 | 55°F | 38°F | 66°F 1950 | 30°F 1949 | 60% |
| Dec 11 | 54°F | 38°F | 68°F 2017 | 29°F 1949 | 59% |
| Dec 12 | 54°F | 38°F | 61°F 2004 | 31°F 2022 | 59% |
| Dec 13 | 54°F | 38°F | 59°F 2002 | 30°F 1951 | 59% |
| Dec 14 | 54°F | 38°F | 60°F 2018 | 29°F 1951 | 59% |
| Dec 15 | 54°F | 38°F | 62°F 2023 | 30°F 1951 | 58% |
| Dec 16 | 54°F | 38°F | 70°F 2023 | 31°F 2008 | 58% |
| Dec 17 | 54°F | 38°F | 64°F 2011 | 30°F 2016 | 58% |
| Dec 18 | 54°F | 38°F | 65°F 2003 | 30°F 2022 | 57% |
| Dec 19 | 54°F | 38°F | 66°F 2005 | 29°F 1949 | 57% |
| Dec 20 | 54°F | 38°F | 68°F 2005 | 28°F 1949 | 57% |
| Dec 21 | 54°F | 38°F | 65°F 2016 | 32°F 1949 | 57% |
| Dec 22 | 54°F | 38°F | 61°F 2011 | 31°F 1949 | 57% |
| Dec 23 | 54°F | 38°F | 62°F 2024 | 34°F 2008 | 57% |
| Dec 24 | 54°F | 38°F | 65°F 2020 | 33°F 1949 | 57% |
| Dec 25 | 54°F | 38°F | 59°F 2000 | 32°F 1949 | 57% |
| Dec 26 | 54°F | 38°F | 61°F 2022 | 33°F 2003 | 57% |
| Dec 27 | 54°F | 38°F | 64°F 2023 | 32°F 1949 | 57% |
| Dec 28 | 54°F | 38°F | 63°F 2023 | 32°F 2020 | 57% |
| Dec 29 | 54°F | 38°F | 67°F 2023 | 32°F 1949 | 57% |
| Dec 30 | 54°F | 38°F | 64°F 2001 | 31°F 1949 | 58% |
| Dec 31 | 54°F | 38°F | 62°F 2025 | 32°F 1951 | 58% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:23 AM, sunset 4:47 PM
- December 31
- sunrise 7:43 AM, sunset 4:56 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00044577 (Klamath), public domain. Records: NOAA GHCN-Daily, station USW00024286, 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.