Viernheim weather in April

In April, Viernheim sees average daytime highs of 15°C and overnight lows near 6°C, with 44 mm of rain across 10 wet days and about 13.4 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 17°C by the end. The sky is clear or mostly clear about 25% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 18 min by month's end. Set against the rest of the year, April is Viernheim's 4th-clearest and 7th-windiest month. For the whole year in context, see Viernheim's year-round climate.

Daytime high
15°
6th warmest
Overnight low
6th coldest
Rainfall
44 mm
10 wet days
Daylight
13 h 30 min
5:42 AM – 7:10 PM
Cloud cover
62%
4th clearest
Wind
10 km/h
7th windiest
Solar energy
4.58 kWh/m²
Travel score
4.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 17°C by the end.

A typical April day in Viernheim reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 22°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)
1134
2134
3134
4134
5145
6145
7145
8145
9145
10145
11145
12155
13155
14155
15156
16156
17156
18166
19166
20166
21167
22177
23177
24177
25177
26178
27178
28178
29188
30188

How April really feels in Viernheim

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Viernheim weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 12th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
24060
34060
44060
53961
63961
74060
83961
93961
104060
114060
124060
134258
144258
154357
164456
174456
184555
194555
204456
214456
224456
234456
244456
254456
264357
274159
284159
294060
303961

Chance of precipitation in April

Any precipitation

Viernheim gets around 44 mm of rain over 10 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
233
332
432
532
632
732
832
932
1032
1132
1231
1331
1431
1531
1631
1731
1831
1932
2032
2133
2234
2335
2435
2536
2636
2737
2838
2938
3039

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
24991
25991
26991
27991
28991
29982
30982

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
210calm
310calm
410calm
510calm
610calm
710calm
810calm
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 36 min at the start of April to 14 h 18 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 6:14 AM to 5:14 AM, and sunset from 6:47 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:146:47
212.66:126:48
312.76:096:50
412.76:076:52
512.86:056:53
612.96:036:55
712.96:016:56
813.05:596:58
913.15:566:59
1013.15:547:01
1113.25:527:02
1213.25:507:04
1313.35:487:06
1413.45:467:07
1513.45:447:09
1613.55:427:10
1713.55:397:12
1813.65:377:13
1913.75:357:15
2013.75:337:17
2113.85:317:18
2213.85:297:20
2313.95:277:21
2414.05:257:23
2514.05:237:24
2614.15:227:26
2714.15:207:27
2814.25:187:29
2914.25:167:30
3014.35:147:32

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.58 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 — April's 4.58 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
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 Viernheim?

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

4.6
Sightseeing
6th-best month of the year
0.5
Beach & pool
6th-best month of the year

April is a reasonable time to visit Viernheim for sightseeing.

What to pack for Viernheim in April

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

In April, Viernheim sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Viernheim 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 Viernheim 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 Viernheim?

Viernheim sits at 49.5°N, 8.6°E, 103 m above sea level, in Germany. The nearest listed city is Weinheim, 6.0 km away.

Topography around Viernheim

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

Within 3 km, the terrain around Viernheim has only modest variations in elevation — a maximum elevation change of 41 m around an average of 102 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, large variations in elevation — a maximum elevation change of 803 m.

The land around Viernheim is covered by trees (38%), cropland (28%) and artificial surfaces (21%) within 3 km, trees (41%), cropland (22%) and artificial surfaces (21%) within 16 km, and trees (49%) and cropland (26%) within 80 km.

3 km
41 m
16 km
491 m
80 km
803 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Weinheim 6.0 km · Mannheim 10 km · Lampertheim 10 km · Ludwigshafen am Rhein 12 km · Heppenheim an der Bergstrasse 12 km · Bürstadt 14 km · Gartenstadt 15 km · Bensheim 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 Viernheim (49.5403°, 8.5782°, elevation 103 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).