Lewes weather in December: Lewes, Delaware: normal highs, lows, rain and records for December
Lewes in December has a normal high of 50°F and a normal low of 35°F, a daily mean of 42°F, falling from 53°F on the 1st to 47°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 4.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 10°C and low of 2°C, 106 mm of precipitation and 3 cm of snow in December.
- NOAA stationLewes
- Station IDUSC00075320
- Location38.78°N 75.16°W
- Elevation10 ft (3 m)
- Population3,702
- Jan 46° 30°
- Feb 48° 32°
- Mar 55° 38°
- Apr 66° 46°
- May 75° 56°
- Jun 83° 66°
- Jul 88° 71°
- Aug 86° 69°
- Sep 80° 64°
- Oct 69° 52°
- Nov 59° 42°
- Dec 50° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lewes in December?
The normal high is 50°F and the normal low 35°F, for a daily mean of 42.4°F. December is 8.0°F cooler than November and 4.2°F warmer than January. December is the 10th warmest month of the year in Lewes and the 6th wettest. Across the month the normal high falls 6°F, from 53°F on December 1 to 47°F on December 31. From one year to the next December's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 39°F and 46°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 53°F | 38°F | 37% | 23% |
| December 8 | 52°F | 37°F | 38% | 24% |
| December 15 | 50°F | 35°F | 38% | 24% |
| December 22 | 49°F | 34°F | 37% | 23% |
| December 31 | 47°F | 32°F | 36% | 22% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 53°F | 38°F | 37% | 23% | 9 h 40 min |
| December 2 | 53°F | 38°F | 37% | 23% | 9 h 40 min |
| December 3 | 53°F | 38°F | 38% | 23% | 9 h 40 min |
| December 4 | 53°F | 38°F | 38% | 23% | 9 h 40 min |
| December 5 | 52°F | 37°F | 38% | 23% | 9 h 40 min |
| December 6 | 52°F | 37°F | 38% | 23% | 9 h 40 min |
| December 7 | 52°F | 37°F | 38% | 23% | 9 h 30 min |
| December 8 | 52°F | 37°F | 38% | 24% | 9 h 30 min |
| December 9 | 51°F | 36°F | 38% | 24% | 9 h 30 min |
| December 10 | 51°F | 36°F | 38% | 24% | 9 h 30 min |
| December 11 | 51°F | 36°F | 38% | 24% | 9 h 30 min |
| December 12 | 51°F | 36°F | 38% | 24% | 9 h 30 min |
| December 13 | 50°F | 36°F | 38% | 24% | 9 h 30 min |
| December 14 | 50°F | 35°F | 38% | 24% | 9 h 30 min |
| December 15 | 50°F | 35°F | 38% | 24% | 9 h 30 min |
| December 16 | 50°F | 35°F | 38% | 24% | 9 h 30 min |
| December 17 | 50°F | 35°F | 38% | 23% | 9 h 30 min |
| December 18 | 49°F | 35°F | 37% | 23% | 9 h 30 min |
| December 19 | 49°F | 34°F | 37% | 23% | 9 h 30 min |
| December 20 | 49°F | 34°F | 37% | 23% | 9 h 30 min |
| December 21 | 49°F | 34°F | 37% | 23% | 9 h 30 min |
| December 22 | 49°F | 34°F | 37% | 23% | 9 h 30 min |
| December 23 | 48°F | 34°F | 37% | 23% | 9 h 30 min |
| December 24 | 48°F | 33°F | 37% | 23% | 9 h 30 min |
| December 25 | 48°F | 33°F | 36% | 23% | 9 h 30 min |
| December 26 | 48°F | 33°F | 36% | 23% | 9 h 30 min |
| December 27 | 48°F | 33°F | 36% | 23% | 9 h 30 min |
| December 28 | 48°F | 33°F | 36% | 23% | 9 h 30 min |
| December 29 | 48°F | 32°F | 36% | 23% | 9 h 30 min |
| December 30 | 47°F | 32°F | 36% | 22% | 9 h 30 min |
| December 31 | 47°F | 32°F | 36% | 22% | 9 h 30 min |
- Normal high
- 50°FDecember average
- Normal low
- 35°FDecember average
- Precipitation
- 4.17 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 1.0 inmonth total
- Nights at 32°F or colder
- 13
- Daylight
- 9 h 40 min to 9 h 30 minDecember 1 to December 31
- Days at 70°F or more
- 1
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00075320; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Lewes in December?
On a given December day the chance of 0.01 inch or more is 37% on average, highest around December 9 (38%). In all, 4.17 in falls on 12 days of a normal December, 1 of them with an inch or more.
In a normal December in Lewes, 13 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 1.0 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00075320.
What are the records for December in Lewes?
The warmest December temperature on this station's record (since 1945) is 77°F, on December 7, 1998; the coldest is 0°F, on December 16, 1958. The wettest December brought 9.32 in (1945); the snowiest, 10.3 inches (1989).
The December mean against the 1991-2020 normal of 42.4°F: 2021 46.4°F (+4.0), 2022 39.7°F (−2.7), 2023 44.6°F (+2.2), 2024 40.6°F (−1.8), 2025 36.6°F (−5.8). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.4°F | +4.0°F | 0.67 in |
| 2022 | 39.7°F | −2.7°F | 4.21 in |
| 2023 | 44.6°F | +2.2°F | 8.09 in |
| 2024 | 40.6°F | −1.8°F | 2.91 in |
| 2025 | 36.6°F | −5.8°F | 2.17 in |
Source: records: ACIS, station USC00075320; recent months: ACIS, station USC00075320. Records and recent months use complete months only.
How does December in Lewes compare across Delaware?
Across the 6 places PlainClimate covers in Delaware, December normal highs run from 46°F in Wilmington to 50°F in Georgetown; Lewes's is 50°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.