Opava weather in April

In April, Opava sees average daytime highs of 14°C and overnight lows near 4°C, with 47 mm of precipitation across 10.1 wet days and about 13.5 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 11°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 Opava's 4th-clearest and 7th-windiest month. For the whole year in context, see Opava's year-round climate.

Daytime high
14°
6th warmest
Overnight low
6th coldest
Precipitation
47 mm
10.1 wet days
Daylight
13 h 30 min
5:04 AM – 6:34 PM
Cloud cover
61%
4th clearest
Wind
12 km/h
7th windiest
Solar energy
4.42 kWh/m²
Travel score
4.0
out of 10

Opava is city in Moravia-Silesian Region, Czechia.

Air quality
Elevated
PM2.5 16.8 µg/m³ · 2019
Density
665/km²
people per km²
Founded
1224

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 11°C in the first days to 17°C by the end.

A typical April day in Opava reaches about 14°C in the afternoon and slips back to 4°C overnight — a 10°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 6°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1112
2112
3112
4123
5123
6123
7123
8123
9123
10133
11133
12134
13134
14134
15144
16144
17144
18145
19155
20155
21155
22155
23166
24166
25166
26166
27176
28177
29177
30177

How April really feels in Opava

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 9 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
9
wind chill below the day's low

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

Opava weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°389.86.28.40.0
Feb / -3°339.15.89.70.0
Mar / 4510.83.711.51.2
Apr14° / 4710.1113.54.0
May19° / 7512.8015.15.6
Jun22° / 12°86130166.1
Jul24° / 14°9913.4015.76.4
Aug24° / 14°7210.9014.36.7
Sep19° / 10°7010.8012.45.9
Oct13° / 519.40.310.53.7
Nov / 449.32.68.81.0
Dec / -2°399.257.90.0

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 18% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
73961
83862
93862
103862
113961
123961
133961
144060
154060
164258
174357
184456
194555
204555
214654
224753
234753
244753
254852
264753
274753
284654
294654
304654

Chance of precipitation in April

Any precipitationSnow

Opava gets around 47 mm of rain and snow over 10.1 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 34% and peaks near 37% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1338
2337
3337
4337
5336
6336
7346
8345
9345
10355
11355
12355
13354
14354
15354
16354
17353
18343
19343
20343
21342
22342
23342
24342
25341
26351
27351
28361
29361
30371

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
241000
251000
26991
27991
28991
29991
30991

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
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 5:36 AM to 4:36 AM, and sunset from 6:10 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:366:10
212.65:346:11
312.75:326:13
412.75:306:15
512.85:276:16
612.95:256:18
712.95:236:19
813.05:216:21
913.15:196:23
1013.15:166:24
1113.25:146:26
1213.35:126:27
1313.35:106:29
1413.45:086:30
1513.45:066:32
1613.55:046:34
1713.65:026:35
1813.64:596:37
1913.74:576:38
2013.74:556:40
2113.84:536:42
2213.94:516:43
2313.94:496:45
2414.04:476:46
2514.04:456:48
2614.14:436:49
2714.24:416:51
2814.24:406:53
2914.34:386:54
3014.34:366:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.42 kWh/m².

For context, solar energy here swings from a low near 0.74 kWh/m² to a high of 5.35 kWh/m² in June across the year — April's 4.42 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.9Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.3Bright
144.3Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Opava?

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

4.0
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

April is a reasonable time to visit Opava for sightseeing.

What to pack for Opava in April

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

In April, Opava sees daytime highs around 14°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Opava in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Opava peaks around June 20 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJun 20UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Opava 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 Opava is worst in June — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Opava's WHO annual average of 16.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1520 µg/m³Dec 1412 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar19Moderate
Apr19Moderate
May19Moderate
Jun20Moderate
Jul19Moderate
Aug19Moderate
Sep17Moderate
Oct14Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Opava?

Opava sits at 49.9°N, 17.9°E, 262 m above sea level, in Czechia. The nearest listed city is Krnov, 22 km away.

RacibórzOstravaStarý BohumínBruntálBohumínNový JičínRydułtowy

Topography around Opava

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

Within 3 km, the terrain around Opava has only modest variations in elevation — a maximum elevation change of 58 m around an average of 264 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 366 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,357 m.

The land around Opava is covered by cropland (47%) and artificial surfaces (27%) within 3 km, cropland (61%) and trees (27%) within 16 km, and trees (44%) and cropland (36%) within 80 km.

3 km
58 m
16 km
366 m
80 km
1,357 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Krnov 22 km · Racibórz 28 km · Ostrava 30 km · Starý Bohumín 31 km · Bruntál 32 km · Bohumín 33 km · Nový Jičín 39 km · Rydułtowy 39 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 Opava (49.9387°, 17.9026°, elevation 262 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).