Opava weather in July

In July, Opava sees average daytime highs of 24°C and overnight lows near 14°C, with 99 mm of rain across 13.4 wet days and about 15.7 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 29% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 06 min at the start of July to 15 h 06 min by month's end. Set against the rest of the year, July is Opava's 2nd-clearest and 11th-windiest month. For the whole year in context, see Opava's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
99 mm
13.4 wet days
Daylight
15 h 42 min
4:02 AM – 7:46 PM
Cloud cover
58%
2nd clearest
Wind
10 km/h
11th windiest
Solar energy
5.26 kWh/m²
Travel score
6.4
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 25°C by the end.

A typical July day in Opava reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82313
92414
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202414
212414
222514
232515
242515
252515
262515
272515
282515
292515
302515
312515

How July really feels in Opava

Once humidity and wind are folded in, July 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

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

Opava weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74951
84852
94852
104852
114852
124852
134852
144852
154852
164852
174852
184852
194951
205050
215050
225149
235248
245347
255347
265347
275347
285446
295446
305446
315446

Chance of precipitation in July

Any precipitation

Opava gets around 99 mm of rain over 13.4 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
142
242
343
443
543
644
744
845
945
1045
1146
1246
1346
1446
1545
1645
1745
1844
1944
2043
2143
2242
2342
2441
2541
2640
2740
2840
2940
3040
3140

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15528161
25329171
35329171
45230171
55230171
65031181
75031181
84931181
94932181
104832181
114733191
124733191
134633191
144534201
154434201
164435201
174335211
184236211
194236212
204137212
214037212
223938212
233938222
243838222
253738232
263738232
273638242
283638242
293539242
303539242
313539242

Wind in July

Winds average 10 km/h in July.

Across July, 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.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 06 min at the start of July to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over July. Sunrise moves from 3:49 AM to 4:21 AM, and sunset from 7:54 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.13:497:54
216.13:507:54
316.13:507:54
416.03:517:53
516.03:527:53
616.03:537:53
716.03:537:52
816.03:547:52
915.93:557:51
1015.93:567:51
1115.93:577:50
1215.93:587:49
1315.83:597:48
1415.84:007:48
1515.84:017:47
1615.74:027:46
1715.74:037:45
1815.74:047:44
1915.64:057:43
2015.64:077:42
2115.64:087:41
2215.54:097:40
2315.54:107:39
2415.44:117:38
2515.44:137:36
2615.44:147:35
2715.34:157:34
2815.34:177:32
2915.24:187:31
3015.24:197:30
3115.14:217:28

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.26 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 — July's 5.26 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Opava?

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

6.4
Sightseeing
2nd-best month of the year
5.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Opava for sightseeing.

What to pack for Opava in July

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

In July, Opava sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Opava in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).