Wilton weather in December

In December, Wilton sees average daytime highs of 35°F and overnight lows near 22°F, with 4.0 in of precipitation across 10.6 wet days and about 8.9 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 39°F in the first days to 32°F by the end. The sky is clear or mostly clear about 19% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 hours at the start of December to 8 h 48 min by month's end. Set against the rest of the year, December is Wilton's 12th-clearest and 6th-windiest month. For the whole year in context, see Wilton's year-round climate.

Daytime high
35°
10th warmest
Overnight low
22°
3rd coldest
Precipitation
4.0 in
10.6 wet days
Daylight
8 h 48 min
7:27 AM – 4:16 PM
Cloud cover
69%
12th clearest
Wind
6 mph
6th windiest
Solar energy
1.43 kWh/m²
Travel score
0.0
out of 10

Wilton is town in New York, United States.

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 39°F in the first days to 32°F by the end.

A typical December day in Wilton reaches about 35°F in the afternoon and slips back to 22°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 22°F and 46°F. Set against its neighbours, December runs about 11°F cooler than November and about 5°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
13927
23927
33926
43826
53825
63725
73724
83724
93624
103623
113523
123522
133522
143522
153421
163421
173421
183421
193320
203320
213320
223320
233319
243319
253319
263219
273219
283218
293218
303218
313117

How December really feels in Wilton

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
18 feel bitter (≤ 14°F)

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

Wilton weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 14°3.49.67.79.20.0
Feb32° / 15°2.98.7710.20.0
Mar42° / 24°3.910.75.711.60.4
Apr55° / 37°4.311.81.913.13.4
May67° / 47°4.112.50.114.45.7
Jun75° / 56°4.713.1015.16.3
Jul80° / 62°4.311.9014.96.3
Aug78° / 60°4.010.4013.86.7
Sep71° / 53°4.09.5012.36.6
Oct58° / 42°4.810.70.510.84.2
Nov46° / 31°3.8102.39.51.1
Dec35° / 22°4.010.678.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43565
53565
63664
73664
83664
93664
103565
113565
123466
133466
143367
153367
163367
173268
183169
193169
203169
213268
223268
233268
243268
253268
263367
273367
283367
293565
303565
313565

Chance of precipitation in December

Any precipitationSnow

Wilton gets around 4.0 in of rain and snow over 10.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 36% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13618
23619
33520
43520
53521
63522
73522
83523
93523
103524
113524
123424
133424
143424
153424
163423
173423
183423
193422
203322
213322
223322
233321
243321
253321
263321
273321
283321
293321
303321
313322

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 6 mph in December.

Across December, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 hours at the start of December to 8 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:14 AM to 7:33 AM, and sunset from 4:16 PM to 4:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.07:144:16
29.07:154:16
39.07:164:15
49.07:174:15
59.07:184:15
68.97:184:15
78.97:194:15
88.97:204:15
98.97:214:15
108.97:224:15
118.97:234:15
128.97:244:15
138.87:244:15
148.87:254:15
158.87:264:15
168.87:274:16
178.87:274:16
188.87:284:16
198.87:284:17
208.87:294:17
218.87:294:17
228.87:304:18
238.87:304:18
248.87:314:19
258.87:314:19
268.87:324:20
278.87:324:21
288.87:324:21
298.87:324:22
308.87:334:23
318.87:334:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.43 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 5.89 kWh/m² in July across the year — December's 1.43 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.4Dim
191.4Dim
201.4Dim
211.4Dim
221.4Dim
231.4Dim
241.4Dim
251.4Dim
261.5Dim
271.5Dim
281.5Dim
291.5Dim
301.5Dim
311.5Dim
Planning a trip in December

Is December a good time to visit Wilton?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Wilton.

What to pack for Wilton in December

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

In December, Wilton sees daytime highs around 35°F and nights near 22°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Wilton 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 Wilton peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 highVery highModerateLowJul 13UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7High
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Wilton?

Wilton sits at 43.2°N, 73.7°W, 348 ft above sea level, in United States. The nearest listed city is Saratoga Springs, 6.8 mi away.

Topography around Wilton

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

Within 2 miles, the terrain around Wilton has significant variations in elevation — a maximum elevation change of 863 ft around an average of 509 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,926 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,970 ft.

The land around Wilton is covered by trees (82%) within 2 miles, trees (78%) within 10 miles, and trees (86%) within 50 miles.

2 miles
863 ft
10 miles
1,926 ft
50 miles
3,970 ft
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Saratoga Springs 6.8 mi · Queensbury 15 mi · Clifton Park 22 mi · Glenville 23 mi · Schenectady 27 mi · Amsterdam 28 mi · Cohoes 28 mi · Rotterdam 29 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 Wilton (43.1801°, -73.7443°, elevation 348 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).