Neckarsulm weather in December

In December, Neckarsulm sees average daytime highs of 4°C and overnight lows near 0°C, with 90 mm of precipitation across 14.6 wet days and about 8.1 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 4°C through the month. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of December to 8 hours by month's end. Set against the rest of the year, December is Neckarsulm's 11th-clearest and 2nd-windiest month. For the whole year in context, see Neckarsulm's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
90 mm
14.6 wet days
Daylight
8 hours
8:19 AM – 4:19 PM
Cloud cover
77%
11th clearest
Wind
12 km/h
2nd windiest
Solar energy
0.75 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 4°C through the month.

A typical December day in Neckarsulm reaches about 4°C in the afternoon and slips back to 0°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 10°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
151
251
351
451
551
651
751
851
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
284-1
294-1
304-1
314-1

How December really feels in Neckarsulm

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Neckarsulm weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°7612.34.48.50.0
Feb / -1°6611.34.39.80.2
Mar10° / 7612.5211.62.0
Apr15° / 5210.40.213.44.2
May19° / 7913.10155.5
Jun22° / 13°6612.2015.96.2
Jul24° / 14°7412.7015.66.5
Aug24° / 14°6211.1014.26.7
Sep19° / 11°6310.3012.46.0
Oct14° / 7211.80.110.53.7
Nov / 7211.61.48.91.1
Dec / 9014.64.78.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22179
32179
42179
52179
62179
72278
82278
92377
102377
112377
122377
132377
142377
152377
162377
172377
182476
192377
202377
212377
222377
232377
242476
252476
262377
272377
282377
292377
302377
312377

Chance of precipitation in December

Any precipitationSnow

Neckarsulm gets around 90 mm of rain and snow over 14.6 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 47% and peaks near 49% on the wettest days, and about 5 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14110
24210
34210
44311
54411
64411
74511
84512
94612
104612
114713
124713
134714
144814
154815
164815
174815
184816
194816
204817
214817
224917
234918
244918
254918
264818
274817
284817
294817
304716
314716

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 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 18 min at the start of December to 8 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:04 AM to 8:25 AM, and sunset from 4:22 PM to 4:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.38:044:22
28.38:054:21
38.28:064:21
48.28:084:20
58.28:094:20
68.28:104:20
78.18:114:20
88.18:124:19
98.18:134:19
108.18:144:19
118.18:154:19
128.18:164:19
138.08:174:19
148.08:174:19
158.08:184:19
168.08:194:19
178.08:204:20
188.08:204:20
198.08:214:20
208.08:224:21
218.08:224:21
228.08:234:22
238.08:234:22
248.08:234:23
258.08:244:23
268.08:244:24
278.08:244:24
288.08:254:25
298.08:254:26
308.08:254:27
318.08:254:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.75 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.6 kWh/m² in June across the year — December's 0.75 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.9Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.8Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Neckarsulm?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Neckarsulm.

What to pack for Neckarsulm in December

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

In December, Neckarsulm sees daytime highs around 4°C and nights near 0°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 15 days see rain.

a warm layerrain geara heavy coat

UV index in Neckarsulm 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 Neckarsulm peaks around July 15 at about 7 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Neckarsulm?

Neckarsulm sits at 49.2°N, 9.2°E, 174 m above sea level, in Germany. The nearest listed city is Heilbronn, 5.0 km away.

Topography around Neckarsulm

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Neckarsulm.

Within 3 km, the terrain around Neckarsulm has only modest variations in elevation — a maximum elevation change of 182 m around an average of 177 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 340 m; within 80 km, large variations in elevation — a maximum elevation change of 910 m.

The land around Neckarsulm is covered by artificial surfaces (34%), cropland (23%) and trees (21%) within 3 km, cropland (39%) and trees (32%) within 16 km, and trees (46%) and cropland (29%) within 80 km.

3 km
182 m
16 km
340 m
80 km
910 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Heilbronn 5.0 km · Bad Rappenau 11 km · Brackenheim 17 km · Mosbach 19 km · Öhringen 21 km · Eppingen 23 km · Sinsheim 26 km · Marbach am Neckar 28 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Neckarsulm (49.1891°, 9.2253°, elevation 174 m), 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).