Mariánské Lázně weather in April

In April, Mariánské Lázně sees average daytime highs of 12°C and overnight lows near 3°C, with 45 mm of precipitation across 10.7 wet days and about 13.5 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% 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 Mariánské Lázně's 4th-clearest and 7th-windiest month. For the whole year in context, see Mariánské Lázně's year-round climate.

Daytime high
12°
6th warmest
Overnight low
6th coldest
Precipitation
45 mm
10.7 wet days
Daylight
13 h 30 min
5:24 AM – 6:54 PM
Cloud cover
65%
4th clearest
Wind
11 km/h
7th windiest
Solar energy
4.49 kWh/m²
Travel score
3.2
out of 10

Mariánské Lázně is town in the Czech Republic.

Density
271/km²
people per km²
Founded
1273

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 15°C by the end.

A typical April day in Mariánské Lázně reaches about 12°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 6°C and 19°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1101
2101
3101
4101
5102
6102
7112
8112
9112
10112
11112
12112
13112
14123
15123
16123
17123
18133
19133
20134
21134
22144
23144
24144
25145
26155
27155
28155
29155
30155

How April really feels in Mariánské Lázně

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 16 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
16
wind chill below the day's low

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

Mariánské Lázně 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 / -4°4811.47.78.40.0
Feb / -3°398.85.79.70.0
Mar / -1°5111.54.411.50.8
Apr12° / 4510.71.313.53.2
May17° / 6713.3015.14.8
Jun20° / 11°7212.90165.7
Jul22° / 12°8513.7015.76.1
Aug22° / 12°7712.4014.36.2
Sep17° / 579.9012.45.2
Oct11° / 5210.40.510.52.8
Nov / 479.43.18.80.4
Dec / -2°4810.46.47.90.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23466
33466
43466
53367
63367
73367
83367
93367
103268
113268
123367
133466
143466
153664
163763
173961
184060
194159
204159
214258
224159
234159
244060
254060
264060
273961
283862
293763
303664

Chance of precipitation in April

Any precipitationSnow

Mariánské Lázně gets around 45 mm of rain and snow over 10.7 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 36% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1357
2347
3346
4346
5346
6346
7356
8356
9356
10366
11366
12366
13366
14366
15366
16365
17365
18365
19364
20364
21364
22363
23373
24372
25372
26372
27381
28381
29391
30401

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 11 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm

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 5:57 AM to 4:57 AM, and sunset from 6:31 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:576:31
212.65:556:32
312.75:536:34
412.85:506:35
512.85:486:37
612.95:466:39
712.95:446:40
813.05:426:42
913.15:396:43
1013.15:376:45
1113.25:356:47
1213.35:336:48
1313.35:316:50
1413.45:296:51
1513.45:266:53
1613.55:246:54
1713.65:226:56
1813.65:206:58
1913.75:186:59
2013.75:167:01
2113.85:147:02
2213.95:127:04
2313.95:107:06
2414.05:087:07
2514.05:067:09
2614.15:047:10
2714.25:027:12
2814.25:007:13
2914.34:587:15
3014.34:577:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.49 kWh/m².

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.47 kWh/m² in June across the year — April's 4.49 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
33.9Moderate
43.9Moderate
54.0Moderate
64.0Bright
74.1Bright
84.1Bright
94.2Bright
104.2Bright
114.2Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Mariánské Lázně?

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

3.2
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Mariánské Lázně.

What to pack for Mariánské Lázně in April

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

In April, Mariánské Lázně sees daytime highs around 12°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Mariánské Lázně 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 Mariánské Lázně peaks around June 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Mariánské Lázně 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 Mariánské Lázně is worst in April — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1518 µg/m³Dec 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun18Moderate
Jul16Moderate
Aug16Moderate
Sep16Moderate
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Mariánské Lázně?

Mariánské Lázně sits at 50.0°N, 12.7°E, 0 m above sea level, in Czechia. The nearest listed city is Sokolov, 24 km away.

Karlovy VaryOstrovMarktredwitzSelbWeidenPilsen

Topography around Mariánské Lázně

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

Within 3 km, the terrain around Mariánské Lázně has significant variations in elevation — a maximum elevation change of 292 m around an average of 636 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 546 m; within 80 km, large variations in elevation — a maximum elevation change of 1,057 m.

The land around Mariánské Lázně is covered by trees (64%) and grassland (24%) within 3 km, trees (56%) and grassland (32%) within 16 km, and trees (51%) and cropland (26%) within 80 km.

3 km
292 m
16 km
546 m
80 km
1,057 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Sokolov 24 km · Cheb 27 km · Karlovy Vary 32 km · Ostrov 42 km · Marktredwitz 44 km · Selb 47 km · Weiden 51 km · Pilsen 54 km

Czechia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$35,917
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
5.9
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 582
Religion
none 48%believers unaffiliated with a religious society 9%Roman Catholic 7%other believers belonging to a church or religious society 6%

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 Mariánské Lázně (49.9646°, 12.7012°, 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).