Monongah Weather in December
Average highs run from 48°F on December 1 to 40°F on December 31, and lows from 32°F to 26°F. Normal precipitation for the month is 3.73 in over about 14 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
- 44°F
- Average low
- 29°F
- Precipitation
- 3.73 in
- Snowfall
- 3.6 in
- Record high
- 74°FDec 1, 2006
- Record low
- -14°FDec 21, 1942
- Chance of a freeze
- 100%
- Daylight
- 9 h 36 min to 9 h 26 min
- Cloud cover
- 76%
- Humidity
- 86%
- Dew point
- 28°F
- Wind
- 5.6 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 |
|---|---|---|---|---|---|---|
| Dec 1 | 48°F | 32°F | 74°F 2006 | 9°F 1947 | 41% | 8% |
| Dec 2 | 48°F | 32°F | 68°F 2018 | 9°F 1946 | 41% | 8% |
| Dec 3 | 47°F | 31°F | 64°F 1998 | 7°F 1942 | 41% | 9% |
| Dec 4 | 47°F | 31°F | 71°F 1941 | 6°F 1940 | 42% | 9% |
| Dec 5 | 47°F | 31°F | 71°F 2001 | 13°F 1944 | 42% | 9% |
| Dec 6 | 46°F | 31°F | 74°F 1998 | 4°F 2007 | 42% | 10% |
| Dec 7 | 46°F | 31°F | 73°F 2004 | 12°F 2008 | 42% | 10% |
| Dec 8 | 46°F | 30°F | 63°F 2023 | 12°F 2008 | 42% | 10% |
| Dec 9 | 45°F | 30°F | 66°F 1946 | 12°F 2002 | 43% | 11% |
| Dec 10 | 45°F | 30°F | 69°F 2008 | 18°F 1947 | 43% | 11% |
| Dec 11 | 45°F | 30°F | 70°F 2021 | 13°F 1941 | 43% | 11% |
| Dec 12 | 44°F | 30°F | 71°F 2015 | 14°F 1945 | 43% | 12% |
| Dec 13 | 44°F | 29°F | 69°F 2015 | 9°F 1945 | 43% | 12% |
| Dec 14 | 44°F | 29°F | 71°F 2015 | 5°F 2025 | 43% | 13% |
| Dec 15 | 44°F | 29°F | 65°F 2008 | 1°F 2025 | 43% | 13% |
| Dec 16 | 43°F | 29°F | 70°F 2021 | 0°F 1943 | 43% | 13% |
| Dec 17 | 43°F | 28°F | 66°F 2016 | 6°F 1943 | 44% | 14% |
| Dec 18 | 43°F | 28°F | 68°F 2016 | 13°F 1945 | 44% | 14% |
| Dec 19 | 43°F | 28°F | 68°F 1939 | 8°F 2004 | 44% | 14% |
| Dec 20 | 42°F | 28°F | 62°F 2013 | -9°F 1942 | 44% | 14% |
| Dec 21 | 42°F | 28°F | 70°F 2013 | -14°F 1942 | 44% | 15% |
| Dec 22 | 42°F | 28°F | 73°F 2013 | 1°F 2000 | 44% | 15% |
| Dec 23 | 42°F | 27°F | 69°F 2015 | 1°F 2022 | 45% | 15% |
| Dec 24 | 42°F | 27°F | 71°F 2015 | 0°F 1943 | 45% | 16% |
| Dec 25 | 41°F | 27°F | 67°F 1940 | 4°F 2000 | 45% | 16% |
| Dec 26 | 41°F | 27°F | 69°F 2016 | -2°F 2000 | 45% | 16% |
| Dec 27 | 41°F | 27°F | 73°F 2015 | 9°F 2017 | 45% | 17% |
| Dec 28 | 41°F | 26°F | 67°F 2005 | 4°F 2017 | 45% | 17% |
| Dec 29 | 41°F | 26°F | 70°F 2024 | 4°F 1947 | 45% | 17% |
| Dec 30 | 41°F | 26°F | 71°F 2022 | 9°F 2009 | 46% | 18% |
| Dec 31 | 40°F | 26°F | 67°F 2018 | 2°F 2017 | 46% | 18% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:22 AM, sunset 4:58 PM
- December 31
- sunrise 7:41 AM, sunset 5:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00462920 (Fairmont), public domain. Records: NOAA GHCN-Daily, station USW00003802, 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.