Seesen weather in December

In December, Seesen sees average daytime highs of 4°C and overnight lows near -0°C, with 67 mm of precipitation across 14.2 wet days and about 7.6 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 11% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 54 min at the start of December to 7 h 36 min by month's end. Set against the rest of the year, December is Seesen's 12th-clearest and 2nd-windiest month. For the whole year in context, see Seesen's year-round climate.

Daytime high
11th warmest
Overnight low
-0°
3rd coldest
Precipitation
67 mm
14.2 wet days
Daylight
7 h 36 min
8:29 AM – 4:02 PM
Cloud cover
80%
12th clearest
Wind
15 km/h
2nd windiest
Solar energy
0.55 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 Seesen 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 -2°C and 9°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
151
251
341
441
541
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1930
2030
2130
2230
233-1
243-1
253-1
263-1
273-1
283-1
293-1
303-1
313-1

How December really feels in Seesen

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.

Seesen 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°6813.55.78.10.0
Feb / -1°5311.35.49.60.0
Mar / 6213.13.511.51.1
Apr13° / 5211.10.613.63.4
May17° / 6812.4015.45.0
Jun20° / 11°7213.1016.45.6
Jul22° / 13°8514.10166.0
Aug22° / 13°7412.7014.46.2
Sep18° / 10°6411.1012.45.4
Oct13° / 6312.40.110.43.2
Nov / 6112.328.60.8
Dec / -0°6714.25.17.60.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32080
42080
52080
62080
71882
81981
91981
101981
111981
121981
131981
141981
151981
161981
171882
181882
191882
201882
211882
221882
231783
241783
251882
261981
271981
281981
291981
301882
311981

Chance of precipitation in December

Any precipitationSnow

Seesen gets around 67 mm of rain and snow over 14.2 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 45% and peaks near 48% on the wettest days, and about 5 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14011
24012
34112
44212
54312
64413
74413
84514
94514
104515
114515
124516
134516
144517
154517
164617
174618
184618
194618
204618
214619
224619
234619
244719
254719
264719
274818
284818
294818
304818
314817

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 15 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 54 min at the start of December to 7 h 36 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 8:35 AM, and sunset from 4:06 PM to 4:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.98:134:06
27.98:144:05
37.88:154:04
47.88:164:04
57.88:184:04
67.78:194:03
77.78:204:03
87.78:214:03
97.78:224:02
107.68:234:02
117.68:244:02
127.68:254:02
137.68:264:02
147.68:274:02
157.68:284:02
167.68:294:02
177.58:304:02
187.58:304:03
197.58:314:03
207.58:314:03
217.58:324:04
227.58:324:04
237.58:334:05
247.58:334:05
257.58:344:06
267.58:344:06
277.58:344:07
287.68:344:08
297.68:354:09
307.68:354:09
317.68:354:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.55 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.55 kWh/m² to a high of 5.31 kWh/m² in June across the year — December's 0.55 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.6Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.5Dim
250.5Dim
260.5Dim
270.5Dim
280.6Dim
290.6Dim
300.6Dim
310.6Dim
Planning a trip in December

Is December a good time to visit Seesen?

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 Seesen.

What to pack for Seesen in December

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

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

a warm layerrain geara heavy coat

UV index in Seesen 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 Seesen peaks around July 10 at about 6 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 10UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Seesen?

Seesen sits at 51.9°N, 10.2°E, 214 m above sea level, in Germany. The nearest listed city is Clausthal-Zellerfeld, 14 km away.

Topography around Seesen

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

Within 3 km, the terrain around Seesen has significant variations in elevation — a maximum elevation change of 284 m around an average of 235 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 670 m; within 80 km, large variations in elevation — a maximum elevation change of 1,168 m.

The land around Seesen is covered by cropland (40%) and trees (36%) within 3 km, trees (50%) and cropland (34%) within 16 km, and cropland (44%) and trees (39%) within 80 km.

3 km
284 m
16 km
670 m
80 km
1,168 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Clausthal-Zellerfeld 14 km · Goslar 17 km · Einbeck 23 km · Northeim 24 km · Bad Harzburg 26 km · Alfeld 27 km · Hildesheim 33 km · Salzgitter 34 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 Seesen (51.8909°, 10.1785°, elevation 214 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).