Exeter Weather in December
Average highs run from 60°F on December 1 to 56°F on December 31, and lows from 38°F to 36°F. Normal precipitation for the month is 1.93 in over about 7 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
- 57°F
- Average low
- 36°F
- Precipitation
- 1.93 in
- Record high
- 86°FDec 17, 1906
- Record low
- 20°FDec 4, 1905
- Chance of a freeze
- 87%
- Daylight
- 9 h 52 min to 9 h 44 min
- Cloud cover
- 54%
- Humidity
- 58%
- Dew point
- 21°F
- Wind
- 4.3 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 |
|---|---|---|---|---|---|---|
| Dec 1 | 60°F | 38°F | 78°F 1924 | 24°F 1911 | 19% | 0% |
| Dec 2 | 60°F | 37°F | 80°F 1926 | 24°F 1905 | 20% | 0% |
| Dec 3 | 60°F | 37°F | 78°F 1954 | 23°F 1905 | 20% | 0% |
| Dec 4 | 59°F | 37°F | 79°F 1906 | 20°F 1905 | 20% | 0% |
| Dec 5 | 59°F | 37°F | 75°F 1908 | 24°F 1903 | 20% | 0% |
| Dec 6 | 59°F | 37°F | 79°F 1908 | 23°F 1903 | 21% | 0% |
| Dec 7 | 59°F | 37°F | 79°F 1908 | 23°F 1916 | 21% | 0% |
| Dec 8 | 58°F | 36°F | 80°F 1910 | 22°F 1916 | 21% | 0% |
| Dec 9 | 58°F | 36°F | 81°F 1906 | 23°F 1903 | 22% | 0% |
| Dec 10 | 58°F | 36°F | 82°F 1910 | 24°F 1903 | 22% | 0% |
| Dec 11 | 58°F | 36°F | 85°F 1906 | 22°F 1901 | 22% | 0% |
| Dec 12 | 58°F | 36°F | 81°F 1906 | 22°F 1901 | 23% | 0% |
| Dec 13 | 57°F | 36°F | 82°F 1906 | 24°F 1901 | 23% | 0% |
| Dec 14 | 57°F | 36°F | 85°F 1906 | 21°F 1916 | 23% | 0% |
| Dec 15 | 57°F | 36°F | 82°F 1906 | 22°F 1967 | 23% | 0% |
| Dec 16 | 57°F | 36°F | 80°F 1906 | 21°F 1901 | 24% | 0% |
| Dec 17 | 57°F | 36°F | 86°F 1906 | 20°F 1904 | 24% | 0% |
| Dec 18 | 57°F | 36°F | 78°F 1910 | 23°F 1916 | 24% | 0% |
| Dec 19 | 57°F | 36°F | 79°F 1908 | 24°F 1911 | 24% | 0% |
| Dec 20 | 57°F | 36°F | 78°F 1910 | 20°F 1901 | 24% | 0% |
| Dec 21 | 56°F | 35°F | 75°F 1910 | 24°F 2007 | 25% | 0% |
| Dec 22 | 56°F | 35°F | 75°F 1910 | 21°F 1990 | 25% | 0% |
| Dec 23 | 56°F | 35°F | 75°F 1910 | 21°F 1990 | 25% | 0% |
| Dec 24 | 56°F | 35°F | 75°F 1905 | 21°F 1990 | 25% | 0% |
| Dec 25 | 56°F | 36°F | 76°F 1905 | 22°F 1910 | 25% | 0% |
| Dec 26 | 56°F | 36°F | 71°F 1928 | 20°F 1911 | 25% | 0% |
| Dec 27 | 56°F | 36°F | 75°F 1908 | 20°F 1911 | 26% | 0% |
| Dec 28 | 56°F | 36°F | 79°F 1908 | 22°F 1904 | 26% | 0% |
| Dec 29 | 56°F | 36°F | 80°F 1908 | 22°F 1930 | 26% | 0% |
| Dec 30 | 56°F | 36°F | 81°F 1908 | 22°F 1916 | 26% | 0% |
| Dec 31 | 56°F | 36°F | 80°F 1908 | 22°F 1900 | 27% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:50 AM, sunset 4:42 PM
- December 31
- sunrise 7:08 AM, sunset 4:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00044957 (Lindsay), public domain. Records: NOAA GHCN-Daily, station USC00049367, 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.