Fairmount Weather in December
Average highs run from 54°F on December 1 to 48°F on December 31, and lows from 37°F to 32°F. Normal precipitation for the month is 5.33 in over about 10 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
- 51°F
- Average low
- 35°F
- Precipitation
- 5.33 in
- Snowfall
- 0.8 in
- Record high
- 81°FDec 24, 2025
- Record low
- 0°FDec 13, 1962
- Chance of a freeze
- 100%
- Daylight
- 10 h 01 min to 9 h 54 min
- Cloud cover
- 63%
- Humidity
- 83%
- Dew point
- 36°F
- Wind
- 5.1 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 | 54°F | 37°F | 73°F 1998 | 15°F 1976 | 29% | 1% |
| Dec 2 | 54°F | 37°F | 74°F 1970 | 17°F 1964 | 29% | 1% |
| Dec 3 | 54°F | 37°F | 75°F 1961 | 13°F 1960 | 29% | 1% |
| Dec 4 | 54°F | 37°F | 76°F 1998 | 17°F 1960 | 30% | 1% |
| Dec 5 | 53°F | 36°F | 77°F 1998 | 19°F 2006 | 30% | 1% |
| Dec 6 | 53°F | 36°F | 78°F 1998 | 18°F 1949 | 30% | 1% |
| Dec 7 | 53°F | 36°F | 78°F 1951 | 13°F 1977 | 30% | 1% |
| Dec 8 | 53°F | 36°F | 78°F 1978 | 16°F 1965 | 30% | 1% |
| Dec 9 | 52°F | 36°F | 77°F 2007 | 13°F 2006 | 30% | 1% |
| Dec 10 | 52°F | 36°F | 76°F 2007 | 16°F 1977 | 31% | 1% |
| Dec 11 | 52°F | 36°F | 78°F 2007 | 11°F 1962 | 31% | 1% |
| Dec 12 | 52°F | 35°F | 74°F 2015 | 4°F 1962 | 31% | 1% |
| Dec 13 | 51°F | 35°F | 74°F 2015 | 0°F 1962 | 31% | 1% |
| Dec 14 | 51°F | 35°F | 71°F 1975 | 11°F 1960 | 31% | 1% |
| Dec 15 | 51°F | 35°F | 75°F 1971 | 13°F 1962 | 32% | 1% |
| Dec 16 | 51°F | 35°F | 73°F 2015 | 11°F 1951 | 32% | 1% |
| Dec 17 | 50°F | 35°F | 72°F 2021 | 13°F 1963 | 32% | 1% |
| Dec 18 | 50°F | 34°F | 75°F 2021 | 11°F 1953 | 32% | 1% |
| Dec 19 | 50°F | 34°F | 69°F 2006 | 8°F 1963 | 32% | 1% |
| Dec 20 | 50°F | 34°F | 73°F 1978 | 12°F 2000 | 32% | 1% |
| Dec 21 | 50°F | 34°F | 73°F 1956 | 17°F 1960 | 32% | 2% |
| Dec 22 | 49°F | 34°F | 71°F 2013 | 8°F 1960 | 33% | 2% |
| Dec 23 | 49°F | 34°F | 72°F 1970 | 10°F 2022 | 33% | 2% |
| Dec 24 | 49°F | 34°F | 81°F 2025 | 9°F 2022 | 33% | 2% |
| Dec 25 | 49°F | 33°F | 75°F 2025 | 12°F 1966 | 33% | 2% |
| Dec 26 | 49°F | 33°F | 75°F 2021 | 15°F 2022 | 33% | 2% |
| Dec 27 | 49°F | 33°F | 78°F 2025 | 17°F 1965 | 33% | 2% |
| Dec 28 | 48°F | 33°F | 75°F 2025 | 17°F 1965 | 33% | 2% |
| Dec 29 | 48°F | 33°F | 76°F 2021 | 15°F 1961 | 33% | 2% |
| Dec 30 | 48°F | 33°F | 71°F 2019 | 12°F 1961 | 33% | 2% |
| Dec 31 | 48°F | 32°F | 75°F 1974 | 15°F 1976 | 33% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:27 AM, sunset 5:28 PM
- December 31
- sunrise 7:45 AM, sunset 5:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00094648 (Jasper 1 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00093801, 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.