Mannheim weather in January

In January, Mannheim sees average daytime highs of 4°C and overnight lows near -0°C, with 59 mm of precipitation across 11.7 wet days and about 8.4 hours of daylight. It is the 12th-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 16% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 hours at the start of January to 9 hours by month's end. Set against the rest of the year, January is Mannheim's 10th-clearest and 1st-windiest month. For the whole year in context, see Mannheim's year-round climate.

Daytime high
12th warmest
Overnight low
-0°
1st coldest
Precipitation
59 mm
11.7 wet days
Daylight
8 h 24 min
8:24 AM – 4:47 PM
Cloud cover
74%
10th clearest
Wind
12 km/h
1st windiest
Solar energy
0.95 kWh/m²
Travel score
0.0
out of 10

Mannheim is city in Baden-Württemberg, Germany.

Air quality
Moderate
PM2.5 11.6 µg/m³ · 2019
Density
2,125/km²
people per km²
Founded
~766 CE

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

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 Mannheim reaches about 4°C in the afternoon and slips back to -0°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 10°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
150
250
350
450
550
650
750
850
950
1050
1150
1250
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2940
3040
3150

How January really feels in Mannheim

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.

Mannheim weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°5911.72.88.40.0
Feb / 5010.12.59.80.5
Mar11° / 5711.2111.52.5
Apr15° / 4410013.44.6
May19° / 10°6711.6015.15.9
Jun23° / 13°5710.70166.6
Jul25° / 15°6210.9015.66.7
Aug25° / 15°539.8014.26.9
Sep20° / 11°559.1012.46.3
Oct15° / 6011.10.110.54.1
Nov / 6211.30.68.91.5
Dec / 7213.92.780.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52377
62377
72377
82377
92575
102575
112674
122674
132773
142773
152872
162872
172872
182872
192971
202971
212872
222872
232872
242872
252773
262773
272773
282773
292773
302773
312872

Chance of precipitation in January

Any precipitationSnow

Mannheim gets around 59 mm of rain and snow over 11.7 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 38% and peaks near 45% on the wettest days, and about 3 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1459
2449
3449
4439
5439
6428
7418
8408
9408
10398
11388
12378
13378
14368
15369
16369
17359
18359
193510
203510
213510
223610
233610
243610
253610
263610
273610
283610
293610
303610
31359

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 12 km/h in January, the windiest month of the year.

Across January, 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 hours at the start of January to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over January. Sunrise moves from 8:29 AM to 8:09 AM, and sunset from 4:30 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.08:294:30
28.08:294:30
38.08:294:31
48.18:294:32
58.18:294:33
68.18:294:34
78.18:284:36
88.18:284:37
98.28:284:38
108.28:274:39
118.28:274:40
128.38:264:42
138.38:264:43
148.38:254:44
158.38:254:45
168.48:244:47
178.48:234:48
188.48:234:50
198.58:224:51
208.58:214:52
218.68:204:54
228.68:194:55
238.68:184:57
248.78:174:58
258.78:165:00
268.88:155:02
278.88:145:03
288.98:135:05
298.98:125:06
309.08:115:08
319.08:095:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.95 kWh/m².

For context, solar energy here swings from a low near 0.72 kWh/m² to a high of 5.61 kWh/m² in June across the year — January's 0.95 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.7Dim
20.7Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.9Dim
120.9Dim
130.9Dim
140.9Dim
150.9Dim
160.9Dim
171.0Dim
181.0Dim
191.0Dim
201.0Dim
211.0Dim
221.1Dim
231.1Dim
241.1Dim
251.1Dim
261.1Dim
271.2Dim
281.2Dim
291.2Dim
301.2Dim
311.3Dim
Planning a trip in January

Is January a good time to visit Mannheim?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Mannheim.

What to pack for Mannheim in January

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

In January, Mannheim 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 Mannheim 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 Mannheim 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Mannheim 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 Mannheim is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (November, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Mannheim's WHO annual average of 11.6 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1615 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar13Moderate
Apr15Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Good
Sep11Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Mannheim?

Mannheim sits at 49.5°N, 8.5°E, 100 m above sea level, in Germany. The nearest listed city is Ludwigshafen am Rhein, 2.0 km away.

Topography around Mannheim

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

Within 3 km, the terrain around Mannheim has only modest variations in elevation — a maximum elevation change of 27 m around an average of 97 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 375 m; within 80 km, large variations in elevation — a maximum elevation change of 836 m.

The land around Mannheim is covered by artificial surfaces (62%) and trees (24%) within 3 km, cropland (36%), trees (26%) and artificial surfaces (24%) within 16 km, and trees (50%) and cropland (25%) within 80 km.

3 km
27 m
16 km
375 m
80 km
836 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Ludwigshafen am Rhein 2.0 km · Gartenstadt 6.0 km · Frankenthal 10 km · Viernheim 10 km · Lampertheim 12 km · Schifferstadt 13 km · Schwetzingen 15 km · Weinheim 16 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 Mannheim (49.4891°, 8.4669°, elevation 100 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).