Ledyard weather in December

In December, Ledyard sees average daytime highs of 42°F and overnight lows near 29°F, with 4.5 in of precipitation across 10.6 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 46°F in the first days to 40°F by the end. The sky is clear or mostly clear about 33% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Ledyard's 8th-clearest and 4th-windiest month. For the whole year in context, see Ledyard's year-round climate.

Daytime high
42°
10th warmest
Overnight low
29°
3rd coldest
Precipitation
4.5 in
10.6 wet days
Daylight
9 hours
7:14 AM – 4:15 PM
Cloud cover
59%
8th clearest
Wind
8 mph
4th windiest
Solar energy
1.69 kWh/m²
Travel score
0.4
out of 10

Ledyard is town in New London County, Connecticut, United States.

Founded
1836

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 46°F in the first days to 40°F by the end.

A typical December day in Ledyard reaches about 42°F in the afternoon and slips back to 29°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 31°F and 55°F. Set against its neighbours, December runs about 9°F cooler than November and about 5°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14733
24633
34633
44632
54532
64532
74431
84431
94431
104331
114330
124330
134330
144230
154229
164229
174229
184229
194229
204129
214128
224128
234128
244128
254128
264028
274027
284027
294027
304027
314027

How December really feels in Ledyard

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Ledyard weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 24°3.69.759.30.0
Feb39° / 25°3.28.84.610.30.0
Mar46° / 32°4.410.43.911.71.4
Apr58° / 41°3.910.90.813.14.1
May67° / 50°3.210.5014.36.0
Jun76° / 60°3.810.5014.96.6
Jul82° / 66°3.510.2014.76.0
Aug80° / 65°4.210.3013.76.5
Sep73° / 58°4.08.7012.37.0
Oct63° / 47°4.29.10.110.95.6
Nov52° / 37°3.78.70.79.72.8
Dec42° / 29°4.510.63.59.10.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35050
44951
55050
65050
75050
84951
94951
104852
114753
124753
134654
144654
154753
164753
174753
184753
194753
204753
214753
224852
234852
244852
254951
265050
274951
284951
294951
305050
314951

Chance of precipitation in December

Any precipitationSnow

Ledyard gets around 4.5 in of rain and snow over 10.6 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 35% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1338
2339
3349
43410
53410
63511
73511
83512
93512
103512
113512
123512
133412
143412
153412
163311
173311
183311
193311
203311
213311
223211
233211
243211
253211
263211
273311
283312
293312
303313
313314

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 8 mph in December.

Across December, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:01 AM to 7:20 AM, and sunset from 4:15 PM to 4:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:014:15
29.27:024:14
39.27:034:14
49.27:044:14
59.17:054:14
69.17:064:14
79.17:074:14
89.17:084:14
99.17:084:14
109.17:094:14
119.17:104:14
129.17:114:14
139.07:124:14
149.07:124:14
159.07:134:15
169.07:144:15
179.07:144:15
189.07:154:15
199.07:154:16
209.07:164:16
219.07:174:17
229.07:174:17
239.07:184:17
249.07:184:18
259.07:184:19
269.07:194:19
279.07:194:20
289.07:194:20
299.07:204:21
309.07:204:22
319.07:204:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.69 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 6.18 kWh/m² in June across the year — December's 1.69 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.8Dim
Planning a trip in December

Hazard calendar for Ledyard

In seasonPeak

None of Ledyard's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ledyard sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ledyard?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Ledyard.

What to pack for Ledyard in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Ledyard sees daytime highs around 42°F and nights near 29°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Ledyard in December

The nearest coast averages about 48°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 mi away) is warmest in August at about 69°F and coldest in February near 39°F.

It's comfortable for a long swim from Jul 29 to Aug 30 — about 1.1 months when the water holds above 68°F.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan43Bracing
Feb39Bracing
Mar40Bracing
Apr44Bracing
May51Bracing
Jun60Cool
Jul67Cool
Aug69Refreshing
Sep67Cool
Oct62Cool
Nov55Bracing
Dec48Bracing

UV index in Ledyard in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ledyard peaks around July 10 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 10UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Ledyard in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Ledyard is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1515 µg/m³Nov 206 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep10Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Ledyard?

Ledyard sits at 41.4°N, 72.0°W, 292 ft above sea level, in United States. The nearest listed city is Norwich, 6.8 mi away.

Topography around Ledyard

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Ledyard.

Within 2 miles, the terrain around Ledyard has only modest variations in elevation — a maximum elevation change of 361 ft around an average of 259 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 656 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,325 ft.

The land around Ledyard is covered by trees (89%) within 2 miles, trees (77%) within 10 miles, and trees (52%) and water (40%) within 50 miles.

2 miles
361 ft
10 miles
656 ft
50 miles
1,325 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Norwich 6.8 mi · New London 7.5 mi · Montville Center 7.5 mi · Waterford 9.3 mi · Westerly 11 mi · Plainfield 17 mi · Windham 19 mi · Willimantic 21 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ledyard (41.4398°, -72.0142°, elevation 292 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).