Heidelberg weather in March

In March, Heidelberg sees average daytime highs of 10°C and overnight lows near 2°C, with 75 mm of precipitation across 12.5 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 12°C by the end. The sky is clear or mostly clear about 21% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Heidelberg's 7th-clearest and 4th-windiest month. For the whole year in context, see Heidelberg's year-round climate.

Daytime high
10°
8th warmest
Overnight low
4th coldest
Precipitation
75 mm
12.5 wet days
Daylight
11 h 30 min
6:49 AM – 6:21 PM
Cloud cover
67%
7th clearest
Wind
11 km/h
4th windiest
Solar energy
2.94 kWh/m²
Travel score
2.2
out of 10

Heidelberg is large city in Baden-Württemberg, Germany.

Air quality
Excellent
PM10 14.2 µg/m³ · 2019
Density
1,317/km²
people per km²

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 12°C by the end.

A typical March day in Heidelberg reaches about 10°C in the afternoon and slips back to 2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 16°C. Set against its neighbours, March runs about 5°C warmer than February and about 5°C cooler than April.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
181
281
381
481
581
691
792
892
992
1092
1192
12102
13102
14102
15102
16103
17103
18103
19113
20113
21113
22113
23113
24113
25113
26123
27123
28123
29123
30124
31124

How March really feels in Heidelberg

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 23 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
23
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Heidelberg weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°8013.13.88.40.0
Feb / -0°6611.149.80.3
Mar10° / 7512.51.411.52.2
Apr15° / 5411.10.113.44.3
May19° / 10°7912.7015.15.6
Jun22° / 13°68120166.3
Jul24° / 15°7312.3015.66.6
Aug24° / 14°6110.1014.26.9
Sep20° / 11°6610012.46.1
Oct14° / 7212.20.110.53.8
Nov / 7612.11.18.91.2
Dec / 9515.13.680.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
33070
43070
53169
63268
73268
83367
93367
103466
113466
123466
133565
143565
153565
163565
173664
183664
193664
203664
213664
223664
233664
243763
253763
263664
273763
283763
293763
303862
313862

Chance of precipitation in March

Any precipitationSnow

Heidelberg gets around 75 mm of rain and snow over 12.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14110
2419
3428
4418
5417
6417
7416
8406
9405
10405
11394
12394
13394
14394
15393
16393
17393
18393
19393
20393
21393
22393
23393
24393
25393
26393
27393
28393
29393
30392
31382

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 March

Winds average 11 km/h in March.

Across March, 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
1512calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 36 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over March. Sunrise moves from 7:20 AM to 6:16 AM, and sunset from 5:57 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:205:57
210.77:185:59
310.77:166:00
410.87:146:02
510.97:126:04
610.97:106:05
711.07:086:07
811.07:066:08
911.17:036:10
1011.27:016:12
1111.26:596:13
1211.36:576:15
1311.46:556:16
1411.46:536:18
1511.56:516:20
1611.56:496:21
1711.66:466:23
1811.76:446:24
1911.76:426:26
2011.86:406:28
2111.96:386:29
2211.96:356:31
2312.06:336:32
2412.06:316:34
2512.16:296:35
2612.26:276:37
2712.26:246:39
2812.36:226:40
2912.46:206:42
3012.46:186:43
3112.56:166:45

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 2.94 kWh/m².

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.59 kWh/m² in June across the year — March's 2.94 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.4Moderate
42.4Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.6Moderate
92.6Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.8Moderate
142.8Moderate
152.9Moderate
162.9Moderate
173.0Moderate
183.0Moderate
193.1Moderate
203.1Moderate
213.2Moderate
223.2Moderate
233.3Moderate
243.4Moderate
253.4Moderate
263.5Moderate
273.6Moderate
283.6Moderate
293.7Moderate
303.8Moderate
313.8Moderate
Planning a trip in March

Is March a good time to visit Heidelberg?

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

2.2
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Heidelberg.

What to pack for Heidelberg in March

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

In March, Heidelberg sees daytime highs around 10°C and nights near 2°C. Pack a warm layer. Worth having: rain gear. About 13 days see rain.

a warm layerrain gear

UV index in Heidelberg in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heidelberg 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
Location & terrain

Where is Heidelberg?

Heidelberg sits at 49.4°N, 8.7°E, 115 m above sea level, in Germany. The nearest listed city is Leimen, 7.0 km away.

Topography around Heidelberg

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

Within 3 km, the terrain around Heidelberg has significant variations in elevation — a maximum elevation change of 486 m around an average of 203 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 515 m; within 80 km, large variations in elevation — a maximum elevation change of 915 m.

The land around Heidelberg is covered by trees (54%) and artificial surfaces (32%) within 3 km, trees (50%) and cropland (20%) within 16 km, and trees (48%) and cropland (27%) within 80 km.

3 km
486 m
16 km
515 m
80 km
915 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Leimen 7.0 km · Schwetzingen 8.0 km · Wiesloch 13 km · Hockenheim 14 km · Weinheim 16 km · Viernheim 17 km · Mannheim 19 km · Ludwigshafen am Rhein 19 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 Heidelberg (49.4077°, 8.6908°, elevation 115 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).