Lahnstein weather in January

In January, Lahnstein sees average daytime highs of 4°C and overnight lows near -0°C, with 51 mm of precipitation across 11.5 wet days and about 8.3 hours of daylight. It is the 12th-warmest and 10th-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 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 54 min at the start of January to 8 h 54 min by month's end. Set against the rest of the year, January is Lahnstein's 10th-clearest and 1st-windiest month. For the whole year in context, see Lahnstein's year-round climate.

Daytime high
12th warmest
Overnight low
-0°
2nd coldest
Precipitation
51 mm
11.5 wet days
Daylight
8 h 18 min
8:31 AM – 4:47 PM
Cloud cover
77%
10th clearest
Wind
13 km/h
1st windiest
Solar energy
0.85 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Lahnstein 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, January runs on par with December and about 1°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
140
240
340
440
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
214-1
224-1
234-1
243-1
253-1
264-1
274-1
284-1
294-1
304-1
314-1

How January really feels in Lahnstein

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Lahnstein weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°5111.53.58.30.0
Feb / -0°4310.23.89.70.1
Mar / 5211.81.711.51.8
Apr14° / 4610.40.513.53.8
May18° / 6011.1015.25.4
Jun21° / 12°5911.1016.16.1
Jul23° / 14°6212015.76.5
Aug23° / 13°5910.8014.36.6
Sep18° / 10°559.5012.45.8
Oct13° / 5411.2010.53.5
Nov / 5511.71.18.81.1
Dec / 6413.33.97.90.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21882
31882
41981
51981
62080
72080
82179
92278
102278
112278
122278
132476
142476
152476
162476
172476
182476
192476
202377
212377
222377
232476
242476
252377
262377
272377
282476
292377
302377
312476

Chance of precipitation in January

Any precipitationSnow

Lahnstein gets around 51 mm of rain and snow over 11.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 42% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14212
24111
34111
44010
54010
63910
7399
8389
9389
10379
11379
12369
13369
143610
153510
163511
173511
183512
193612
203613
213614
223614
233715
243715
253715
263716
273716
283616
293616
303616
313615

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 13 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 13 km/h on the calmest days to 14 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
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 54 min at the start of January to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over January. Sunrise moves from 8:36 AM to 8:16 AM, and sunset from 4:29 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.98:364:29
27.98:364:30
37.98:364:31
47.98:364:32
58.08:364:33
68.08:364:34
78.08:354:35
88.08:354:36
98.08:354:38
108.18:344:39
118.18:344:40
128.18:334:41
138.28:334:43
148.28:324:44
158.28:324:45
168.38:314:47
178.38:304:48
188.38:294:50
198.48:294:51
208.48:284:53
218.58:274:54
228.58:264:56
238.58:254:57
248.68:244:59
258.68:235:00
268.78:225:02
278.78:215:04
288.88:195:05
298.88:185:07
308.98:175:08
318.98:165:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.85 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.44 kWh/m² in June across the year — January's 0.85 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
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
210.9Dim
220.9Dim
231.0Dim
241.0Dim
251.0Dim
261.0Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.2Dim
Planning a trip in January

Is January a good time to visit Lahnstein?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Lahnstein.

What to pack for Lahnstein in January

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

In January, Lahnstein sees daytime highs around 4°C and nights near -0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Lahnstein in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lahnstein 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
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Lahnstein in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Lahnstein is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1415 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar14Moderate
Apr16Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Lahnstein?

Lahnstein sits at 50.3°N, 7.6°E, 134 m above sea level, in Germany. The nearest listed city is Koblenz, 7.0 km away.

Topography around Lahnstein

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

Within 3 km, the terrain around Lahnstein has significant variations in elevation — a maximum elevation change of 327 m around an average of 168 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 510 m; within 80 km, large variations in elevation — a maximum elevation change of 850 m.

The land around Lahnstein is covered by trees (66%) within 3 km, trees (59%) within 16 km, and trees (55%) within 80 km.

3 km
327 m
16 km
510 m
80 km
850 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Koblenz 7.0 km · Boppard 8.0 km · Bendorf 14 km · Neuwied 18 km · Andernach 21 km · Mayen 28 km · Limburg an der Lahn 32 km · Sinzig 38 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 Lahnstein (50.3°, 7.6167°, elevation 134 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. 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).