Semmering weather in April

In April, Semmering sees average daytime highs of 11°C and overnight lows near 3°C, with 85 mm of precipitation across 14.4 wet days and about 13.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 14°C by the end. The sky is clear or mostly clear about 21% 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 06 min by month's end. Set against the rest of the year, April is Semmering's 5th-clearest and 3rd-windiest month. For the whole year in context, see Semmering's year-round climate.

Daytime high
11°
6th warmest
Overnight low
6th coldest
Precipitation
85 mm
14.4 wet days
Daylight
13 h 24 min
5:15 AM – 6:38 PM
Cloud cover
65%
5th clearest
Wind
10 km/h
3rd windiest
Solar energy
4.68 kWh/m²
Travel score
2.5
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 14°C by the end.

A typical April day in Semmering reaches about 11°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 18°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)
191
291
391
491
591
691
7101
8101
9101
10102
11102
12102
13112
14112
15112
16112
17113
18123
19123
20123
21134
22134
23134
24134
25144
26145
27145
28145
29145
30145

How April really feels in Semmering

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 17 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
17
wind chill below the day's low

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

Semmering weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°5711.310.78.70.0
Feb / -4°5310.410.49.90.0
Mar / -1°7714.29.911.60.5
Apr11° / 8514.4513.32.5
May16° / 13318.90.514.93.9
Jun19° / 11°14218.5015.74.9
Jul21° / 12°14919.2015.45.2
Aug21° / 12°13816.7014.15.4
Sep16° / 11214.10.312.44.5
Oct11° / 78122.510.62.7
Nov / 6310.96.89.10.5
Dec / -4°5611.610.18.30.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33664
43664
53565
63565
73565
83466
93466
103466
113466
123565
133664
143664
153763
163763
173961
183961
193961
204060
214159
224060
234060
244060
254060
264060
274060
283961
293961
303862

Chance of precipitation in April

Any precipitationSnow

Semmering gets around 85 mm of rain and snow over 14.4 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 49% and peaks near 55% on the wettest days, and about 5 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
14627
24526
34626
44626
54625
64625
74725
84824
94824
104924
114923
125022
135022
145021
155020
165019
175017
185016
195015
205013
215012
225010
23509
24508
25517
26516
27525
28535
29544
30553

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 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over April. Sunrise moves from 5:46 AM to 4:50 AM, and sunset from 6:17 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:466:17
212.65:446:18
312.65:426:20
412.75:406:21
512.75:386:23
612.85:366:24
712.95:336:25
812.95:316:27
913.05:296:28
1013.05:276:30
1113.15:256:31
1213.25:236:33
1313.25:216:34
1413.35:196:35
1513.35:176:37
1613.45:156:38
1713.45:136:40
1813.55:126:41
1913.65:106:43
2013.65:086:44
2113.75:066:46
2213.75:046:47
2313.85:026:48
2413.85:006:50
2513.94:586:51
2613.94:576:53
2714.04:556:54
2814.04:536:56
2914.14:516:57
3014.14:506:58

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.68 kWh/m².

For context, solar energy here swings from a low near 1.01 kWh/m² to a high of 5.52 kWh/m² in June across the year — April's 4.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in April

Is April a good time to visit Semmering?

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

2.5
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Semmering.

What to pack for Semmering in April

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

In April, Semmering sees daytime highs around 11°C and nights near 3°C. Pack a warm layer and rain gear. Worth having: sun protection. About 14 days see rain.

a warm layerrain gearsun protection

UV index in Semmering in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Semmering peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 16UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Semmering in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Semmering is worst in June — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1415 µg/m³Nov 1110 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul13Moderate
Aug13Moderate
Sep11Good
Oct10Good
Nov10Good
Dec12Good
Location & terrain

Where is Semmering?

Semmering sits at 47.6°N, 15.8°E, 0 m above sea level, in Austria. The nearest listed city is Wiener Neustadt, 36 km away.

Wiener NeustadtBadenEisenzickenEisenstadtSopronMödlingPerchtoldsdorfAndritz

Topography around Semmering

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

Within 3 km, the terrain around Semmering has large variations in elevation — a maximum elevation change of 904 m around an average of 1,024 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,667 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,142 m.

The land around Semmering is covered by trees (85%) within 3 km, trees (79%) within 16 km, and trees (61%) within 80 km.

3 km
904 m
16 km
1,667 m
80 km
2,142 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Wiener Neustadt 36 km · Baden 51 km · Eisenzicken 51 km · Eisenstadt 57 km · Sopron 57 km · Mödling 61 km · Perchtoldsdorf 63 km · Andritz 65 km

Austria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 82% of US
price level, 2025
GDP per capita
$62,930
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 616
Religion
Roman Catholic 55%none 22%Muslim 8%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 Semmering (47.6335°, 15.8299°, elevation 0 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).