Radolfzell weather in December

In December, Radolfzell sees average daytime highs of 4°C and overnight lows near -0°C, with 83 mm of precipitation across 13.5 wet days and about 8.3 hours of daylight. It is the 11th-warmest and 6th-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 14% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of December to 8 h 18 min by month's end. Set against the rest of the year, December is Radolfzell's 11th-clearest and 4th-windiest month. For the whole year in context, see Radolfzell's year-round climate.

Daytime high
11th warmest
Overnight low
-0°
3rd coldest
Precipitation
83 mm
13.5 wet days
Daylight
8 h 12 min
8:14 AM – 4:27 PM
Cloud cover
73%
11th clearest
Wind
9 km/h
4th windiest
Solar energy
0.99 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 Radolfzell 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 9°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
151
251
351
441
541
641
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
234-1
244-1
254-1
263-1
273-1
283-1
293-1
303-1
313-1

How December really feels in Radolfzell

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.

Radolfzell weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°7012.55.98.70.0
Feb / -1°60115.79.90.1
Mar / 7413.23.811.61.8
Apr14° / 7612.71.213.43.6
May18° / 10°11015.1014.95.0
Jun21° / 14°10915.2015.75.7
Jul23° / 15°11414.5015.46.3
Aug23° / 15°10414014.16.3
Sep18° / 11°8512.1012.45.5
Oct13° / 7912.20.310.63.5
Nov / 79122.99.11.0
Dec / -0°8313.56.18.30.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32575
42575
52773
62872
72872
82872
92872
103070
113070
123070
133070
143070
152971
162971
173070
183070
192971
202971
212971
222971
232872
242872
252872
262971
272971
283070
293070
303070
313070

Chance of precipitation in December

Any precipitationSnow

Radolfzell gets around 83 mm of rain and snow over 13.5 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 44% and peaks near 46% on the wettest days, and about 6 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14015
24015
34115
44115
54115
64216
74216
84216
94317
104317
114418
124519
134519
144620
154620
164620
174621
184621
194621
204621
214622
224622
234522
244522
254522
264522
274421
284421
294420
304420
314320

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 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 30 min at the start of December to 8 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 7:59 AM to 8:20 AM, and sunset from 4:29 PM to 4:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.57:594:29
28.58:004:28
38.48:014:28
48.48:034:28
58.48:044:27
68.48:054:27
78.48:064:27
88.38:074:27
98.38:084:27
108.38:094:27
118.38:104:26
128.38:104:26
138.38:114:27
148.28:124:27
158.28:134:27
168.28:144:27
178.28:144:27
188.28:154:28
198.28:154:28
208.28:164:28
218.28:174:29
228.28:174:29
238.28:184:30
248.28:184:30
258.28:184:31
268.28:194:31
278.28:194:32
288.28:194:33
298.28:194:33
308.28:204:34
318.38:204:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.99 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.99 kWh/m² to a high of 5.56 kWh/m² in June across the year — December's 0.99 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.1Dim
41.1Dim
51.0Dim
61.0Dim
71.0Dim
81.0Dim
91.0Dim
101.0Dim
111.0Dim
121.0Dim
131.0Dim
141.0Dim
151.0Dim
161.0Dim
171.0Dim
181.0Dim
191.0Dim
201.0Dim
211.0Dim
221.0Dim
231.0Dim
241.0Dim
251.0Dim
261.0Dim
271.0Dim
281.0Dim
291.0Dim
301.0Dim
311.0Dim
Planning a trip in December

Is December a good time to visit Radolfzell?

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 Radolfzell.

What to pack for Radolfzell in December

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

In December, Radolfzell sees daytime highs around 4°C and nights near -0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

UV index in Radolfzell 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 Radolfzell peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Radolfzell?

Radolfzell sits at 47.7°N, 9.0°E, 403 m above sea level, in Germany. The nearest listed city is Singen, 10 km away.

Topography around Radolfzell

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

Within 3 km, the terrain around Radolfzell has only modest variations in elevation — a maximum elevation change of 115 m around an average of 408 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 350 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,266 m.

The land around Radolfzell is covered by water (30%) and trees (26%) within 3 km, trees (42%) and cropland (20%) within 16 km, and trees (47%) and grassland (29%) within 80 km.

3 km
115 m
16 km
350 m
80 km
2,266 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Singen 10 km · Stockach 12 km · Überlingen 15 km · Petershausen-West 17 km · Konstanz 18 km · Kreuzlingen 18 km · Frauenfeld 21 km · Schaffhausen 26 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 Radolfzell (47.7419°, 8.971°, elevation 403 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).