Wetzlar weather in December

In December, Wetzlar sees average daytime highs of 4°C and overnight lows near 0°C, with 72 mm of precipitation across 13.2 wet days and about 7.8 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 9% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 06 min at the start of December to 7 h 48 min by month's end. Set against the rest of the year, December is Wetzlar's 12th-clearest and 2nd-windiest month. For the whole year in context, see Wetzlar's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
72 mm
13.2 wet days
Daylight
7 h 48 min
8:29 AM – 4:16 PM
Cloud cover
80%
12th clearest
Wind
12 km/h
2nd windiest
Solar energy
0.61 kWh/m²
Travel score
0.0
out of 10
Air quality
Good
PM10 18.1 µg/m³ · 2019

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

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 Wetzlar 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 3°C cooler than November and on par with January.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
151
251
351
451
551
641
741
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2940
3040
3140

How December really feels in Wetzlar

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.

Wetzlar 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°6011.83.98.30.0
Feb / -1°499.83.79.70.1
Mar / 5511.51.811.51.7
Apr14° / 5010.30.413.53.9
May18° / 6411.3015.25.4
Jun21° / 12°6611.3016.16.1
Jul23° / 14°7212.7015.86.4
Aug23° / 13°6711.2014.36.6
Sep18° / 10°609.5012.45.8
Oct13° / 5811.30.110.43.4
Nov / 5911.818.70.9
Dec / 7213.24.17.80.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
61882
71981
81882
91882
101882
111882
121981
131981
141981
151882
161882
171882
181882
191882
201783
211783
221783
231882
241882
251882
261882
271882
281882
291981
301981
311981

Chance of precipitation in December

Any precipitationSnow

Wetzlar gets around 72 mm of rain and snow over 13.2 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 42% and peaks near 45% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1359
2369
3379
43710
53810
63810
73910
83911
94011
104011
114012
124112
134212
144212
154313
164313
174413
184414
194514
204514
214515
224515
234515
244515
254515
264515
274514
284514
294513
304513
314412

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 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 06 min at the start of December to 7 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 8:13 AM to 8:34 AM, and sunset from 4:19 PM to 4:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.18:134:19
28.18:144:18
38.08:154:18
48.08:174:17
58.08:184:17
68.08:194:16
77.98:204:16
87.98:214:16
97.98:224:16
107.98:234:16
117.98:244:15
127.88:254:15
137.88:264:15
147.88:274:15
157.88:284:16
167.88:294:16
177.88:294:16
187.88:304:16
197.88:314:17
207.88:314:17
217.88:324:17
227.88:324:18
237.88:334:18
247.88:334:19
257.88:334:19
267.88:344:20
277.88:344:21
287.88:344:21
297.88:344:22
307.88:344:23
317.88:344:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.61 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.61 kWh/m² to a high of 5.48 kWh/m² in June across the year — December's 0.61 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.7Dim
40.7Dim
50.7Dim
60.7Dim
70.7Dim
80.7Dim
90.7Dim
100.6Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.6Dim
180.6Dim
190.6Dim
200.6Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.6Dim
290.6Dim
300.6Dim
310.6Dim
Planning a trip in December

Is December a good time to visit Wetzlar?

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 Wetzlar.

What to pack for Wetzlar in December

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

In December, Wetzlar sees daytime highs around 4°C and nights near 0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

UV index in Wetzlar 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 Wetzlar peaks around July 14 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Wetzlar?

Wetzlar sits at 50.6°N, 8.5°E, 169 m above sea level, in Germany. The nearest listed city is Gießen, 12 km away.

Topography around Wetzlar

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

Within 3 km, the terrain around Wetzlar has only modest variations in elevation — a maximum elevation change of 163 m around an average of 194 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, large variations in elevation — a maximum elevation change of 850 m.

The land around Wetzlar is covered by trees (42%) and artificial surfaces (27%) within 3 km, trees (55%) and grassland (20%) within 16 km, and trees (56%) and grassland (20%) within 80 km.

3 km
163 m
16 km
371 m
80 km
850 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Gießen 12 km · Butzbach 18 km · Herborn 20 km · Dillenburg 25 km · Neu-Anspach 27 km · Bad Nauheim 27 km · Haiger 29 km · Friedberg 31 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 Wetzlar (50.5611°, 8.5049°, elevation 169 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).