Heidenheim an der Brenz weather in April

In April, Heidenheim an der Brenz sees average daytime highs of 14°C and overnight lows near 4°C, with 57 mm of precipitation across 11.1 wet days and about 13.4 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 16°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 h 12 min by month's end. Set against the rest of the year, April is Heidenheim an der Brenz's 5th-clearest and 6th-windiest month. For the whole year in context, see Heidenheim an der Brenz's year-round climate.

Daytime high
14°
6th warmest
Overnight low
6th coldest
Precipitation
57 mm
11.1 wet days
Daylight
13 h 24 min
5:37 AM – 7:03 PM
Cloud cover
64%
5th clearest
Wind
10 km/h
6th windiest
Solar energy
4.61 kWh/m²
Travel score
3.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 16°C by the end.

A typical April day in Heidenheim an der Brenz reaches about 14°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 21°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1112
2112
3113
4123
5123
6123
7123
8123
9123
10123
11133
12133
13134
14134
15134
16134
17144
18144
19144
20145
21155
22155
23155
24155
25156
26166
27166
28166
29166
30166

How April really feels in Heidenheim an der Brenz

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 6 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
6
wind chill below the day's low

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

Heidenheim an der Brenz weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°6511.95.88.50.0
Feb / -2°5210.35.59.80.0
Mar / 6812.63.311.61.5
Apr14° / 5711.1113.43.7
May18° / 9114.40155.1
Jun21° / 12°8914.2015.95.8
Jul23° / 13°9314.3015.56.2
Aug23° / 13°8613.4014.26.4
Sep18° / 6611.2012.45.5
Oct13° / 6711.70.410.53.3
Nov / 6510.82.890.7
Dec / -1°7013.15.98.10.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33763
43763
53763
63664
73664
83565
93565
103565
113565
123664
133565
143664
153763
163763
173862
183763
193763
203763
213664
223664
233664
243565
253565
263466
273466
283367
293268
303268

Chance of precipitation in April

Any precipitationSnow

Heidenheim an der Brenz gets around 57 mm of rain and snow over 11.1 wet days in April. 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 44% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1397
2386
3386
4385
5385
6375
7374
8374
9374
10374
11374
12374
13374
14364
15363
16353
17353
18353
19353
20363
21363
22372
23382
24382
25392
26402
27411
28421
29431
30441

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over April. Sunrise moves from 6:08 AM to 5:10 AM, and sunset from 6:40 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:086:40
212.66:066:42
312.76:046:43
412.76:026:45
512.85:596:46
612.85:576:48
712.95:556:49
813.05:536:51
913.05:516:52
1013.15:496:54
1113.15:476:55
1213.25:456:57
1313.35:436:58
1413.35:417:00
1513.45:397:01
1613.45:377:03
1713.55:357:04
1813.65:337:06
1913.65:317:07
2013.75:297:09
2113.75:277:10
2213.85:257:12
2313.85:237:13
2413.95:217:15
2514.05:197:16
2614.05:177:18
2714.15:157:19
2814.15:137:21
2914.25:127:22
3014.25:107:24

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.61 kWh/m².

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 5.57 kWh/m² in June across the year — April's 4.61 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Heidenheim an der Brenz?

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

3.7
Sightseeing
6th-best month of the year
0.1
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Heidenheim an der Brenz.

What to pack for Heidenheim an der Brenz in April

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

In April, Heidenheim an der Brenz sees daytime highs around 14°C and nights near 4°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Heidenheim an der Brenz in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heidenheim an der Brenz peaks around July 15 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Heidenheim an der Brenz?

Heidenheim an der Brenz sits at 48.7°N, 10.2°E, 494 m above sea level, in Germany. The nearest listed city is Giengen an der Brenz, 9.0 km away.

Topography around Heidenheim an der Brenz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Heidenheim an der Brenz.

Within 3 km, the terrain around Heidenheim an der Brenz has only modest variations in elevation — a maximum elevation change of 186 m around an average of 549 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 334 m; within 80 km, large variations in elevation — a maximum elevation change of 712 m.

The land around Heidenheim an der Brenz is covered by trees (61%) and artificial surfaces (24%) within 3 km, trees (51%) and cropland (25%) within 16 km, and trees (39%), cropland (33%) and grassland (20%) within 80 km.

3 km
186 m
16 km
334 m
80 km
712 m
treesgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Giengen an der Brenz 9.0 km · Aalen 18 km · Geislingen an der Steige 25 km · Günzburg 26 km · Dillingen an der Donau 27 km · Schwäbisch Gmünd 29 km · Nördlingen 31 km · Ellwangen 32 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 Heidenheim an der Brenz (48.678°, 10.1516°, elevation 494 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).