Vincennes weather in December

In December, Vincennes sees average daytime highs of 43°F and overnight lows near 29°F, with 3.4 in of precipitation across 9.6 wet days and about 9.3 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 47°F in the first days to 41°F by the end. The sky is clear or mostly clear about 23% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Vincennes's 11th-clearest and 6th-windiest month. For the whole year in context, see Vincennes's year-round climate.

Daytime high
43°
11th warmest
Overnight low
29°
3rd coldest
Precipitation
3.4 in
9.6 wet days
Daylight
9 h 18 min
7:07 AM – 4:26 PM
Cloud cover
68%
11th clearest
Wind
8 mph
6th windiest
Solar energy
1.81 kWh/m²
Travel score
0.6
out of 10

Vincennes is county seat of Knox County, Indiana, United States.

Density
930/km²
people per km²
Founded
1732

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 47°F in the first days to 41°F by the end.

A typical December day in Vincennes reaches about 43°F in the afternoon and slips back to 29°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 29°F and 58°F. Set against its neighbours, December runs about 10°F cooler than November and about 4°F warmer than January.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14833
24733
34732
44632
54632
64631
74531
84531
94430
104430
114430
124430
134329
144329
154329
164329
174329
184229
194228
204228
214228
224228
234228
244228
254228
264128
274127
284127
294127
304127
314127

How December really feels in Vincennes

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.

Vincennes weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 25°3.69.12.89.60.0
Feb44° / 28°3.08.4310.50.7
Mar54° / 37°4.110.61.311.73.3
Apr66° / 47°5.2120135.7
May75° / 58°5.112.9014.16.3
Jun84° / 67°4.111.2014.75.5
Jul86° / 70°3.811014.44.9
Aug85° / 67°2.98.6013.55.5
Sep79° / 60°2.97.4012.37.1
Oct67° / 48°3.280116.6
Nov54° / 37°3.88.80.69.93.3
Dec43° / 29°3.49.62.59.30.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33664
43664
53565
63565
73466
83466
93367
103367
113466
123367
133367
143367
153367
163367
173466
183466
193466
203466
213466
223367
233268
243268
253268
263268
273367
283367
293367
303367
313367

Chance of precipitation in December

Any precipitationSnow

Vincennes gets around 3.4 in of rain and snow over 9.6 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 32% and peaks near 34% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1315
2315
3316
4316
5316
6327
7327
8328
9338
10338
11339
12339
13339
14339
15349
16339
17339
18338
19338
20328
21318
22318
23318
24308
25308
26308
27308
28308
29308
30309
31309

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8991
9991
10991
11991
12991
13991
14991
15991
161000
171000
181000
191000
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30982
31982

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 30 min at the start of December to 9 h 18 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 6:55 AM to 7:13 AM, and sunset from 4:25 PM to 4:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.56:554:25
29.56:564:25
39.56:574:24
49.46:584:24
59.46:594:24
69.47:004:24
79.47:004:24
89.47:014:24
99.47:024:24
109.47:034:24
119.37:044:24
129.37:044:25
139.37:054:25
149.37:064:25
159.37:064:25
169.37:074:26
179.37:084:26
189.37:084:26
199.37:094:27
209.37:094:27
219.37:104:27
229.37:104:28
239.37:114:28
249.37:114:29
259.37:124:29
269.37:124:30
279.37:124:31
289.37:134:31
299.37:134:32
309.37:134:32
319.37:134:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.81 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 6.43 kWh/m² in June across the year — December's 1.81 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Hazard calendar for Vincennes

In seasonPeak

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

Vincennes 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 Vincennes?

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

0.6
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Vincennes.

What to pack for Vincennes in December

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

In December, Vincennes sees daytime highs around 43°F and nights near 29°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Vincennes in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vincennes peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Vincennes 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 Vincennes is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1417 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar12Good
Apr11Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Vincennes?

Vincennes sits at 38.7°N, 87.5°W, 420 ft above sea level, in United States. The nearest listed city is Jasper, 38 mi away.

Topography around Vincennes

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

Within 2 miles, the terrain around Vincennes has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 430 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 279 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 594 ft.

The land around Vincennes is covered by trees (27%), cropland (26%) and artificial surfaces (24%) within 2 miles, cropland (70%) and trees (20%) within 10 miles, and cropland (57%) and trees (34%) within 50 miles.

2 miles
194 ft
10 miles
279 ft
50 miles
594 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Jasper 38 mi · Evansville 48 mi · Terre Haute 55 mi · Henderson 58 mi · Bloomington 63 mi · Owensboro 66 mi · Charleston 66 mi · Mattoon 71 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 Vincennes (38.6773°, -87.5286°, elevation 420 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). 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).