Lisbon Weather in December
Average highs run from 40°F on December 1 to 31°F on December 31, and lows from 22°F to 11°F. Normal precipitation for the month is 4.54 in over about 13 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
- 35°F
- Average low
- 16°F
- Precipitation
- 4.54 in
- Snowfall
- 16.2 in
- Record high
- 67°FDec 4, 1982
- Record low
- -27°FDec 30, 1917
- Chance of a freeze
- 100%
- Daylight
- 9 h 08 min to 8 h 57 min
- Cloud cover
- 65%
- Humidity
- 88%
- Dew point
- 23°F
- Wind
- 6.0 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 | 40°F | 22°F | 63°F 1908 | 6°F 1936 | 40% | 15% |
| Dec 2 | 40°F | 21°F | 59°F 1970 | 4°F 1936 | 40% | 15% |
| Dec 3 | 39°F | 21°F | 58°F 1932 | -2°F 1940 | 40% | 16% |
| Dec 4 | 39°F | 20°F | 67°F 1982 | -13°F 1940 | 40% | 16% |
| Dec 5 | 39°F | 20°F | 59°F 2001 | -2°F 1906 | 40% | 17% |
| Dec 6 | 38°F | 20°F | 67°F 2001 | -8°F 1901 | 40% | 17% |
| Dec 7 | 38°F | 19°F | 67°F 1998 | -2°F 1901 | 40% | 18% |
| Dec 8 | 38°F | 19°F | 56°F 1953 | -14°F 1902 | 40% | 18% |
| Dec 9 | 37°F | 19°F | 57°F 1987 | -14°F 1902 | 40% | 19% |
| Dec 10 | 37°F | 18°F | 52°F 1907 | -9°F 1902 | 40% | 19% |
| Dec 11 | 37°F | 18°F | 61°F 1911 | -4°F 1917 | 40% | 20% |
| Dec 12 | 36°F | 17°F | 65°F 1979 | -13°F 1917 | 40% | 20% |
| Dec 13 | 36°F | 17°F | 56°F 1923 | -10°F 1902 | 40% | 20% |
| Dec 14 | 36°F | 17°F | 50°F 1913 | -21°F 1893 | 40% | 21% |
| Dec 15 | 35°F | 16°F | 54°F 1901 | -4°F 1905 | 40% | 21% |
| Dec 16 | 35°F | 16°F | 54°F 1982 | -11°F 1943 | 40% | 22% |
| Dec 17 | 35°F | 16°F | 55°F 1984 | -11°F 1919 | 41% | 22% |
| Dec 18 | 34°F | 15°F | 51°F 1966 | -12°F 1919 | 41% | 22% |
| Dec 19 | 34°F | 15°F | 53°F 1895 | -12°F 1922 | 41% | 23% |
| Dec 20 | 34°F | 15°F | 56°F 1895 | -22°F 1922 | 41% | 23% |
| Dec 21 | 34°F | 14°F | 58°F 1957 | -10°F 1924 | 41% | 23% |
| Dec 22 | 33°F | 14°F | 59°F 1949 | -8°F 1904 | 41% | 24% |
| Dec 23 | 33°F | 13°F | 58°F 1990 | -8°F 1943 | 41% | 24% |
| Dec 24 | 33°F | 13°F | 52°F 1957 | -12°F 1914 | 41% | 24% |
| Dec 25 | 33°F | 13°F | 54°F 1994 | -14°F 1904 | 41% | 24% |
| Dec 26 | 32°F | 12°F | 59°F 1982 | -17°F 1980 | 40% | 25% |
| Dec 27 | 32°F | 12°F | 52°F 1895 | -14°F 1914 | 40% | 25% |
| Dec 28 | 32°F | 12°F | 54°F 1949 | -22°F 1933 | 40% | 25% |
| Dec 29 | 32°F | 11°F | 58°F 1982 | -22°F 1933 | 40% | 26% |
| Dec 30 | 31°F | 11°F | 50°F 1984 | -27°F 1917 | 40% | 26% |
| Dec 31 | 31°F | 11°F | 54°F 1895 | -20°F 1917 | 40% | 26% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 6:55 AM, sunset 4:03 PM
- December 31
- sunrise 7:15 AM, sunset 4:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00172048 (Durham), public domain. Records: NOAA GHCN-Daily, station USC00174566, 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.