Trnava weather in July

In July, Trnava sees average daytime highs of 26°C and overnight lows near 16°C, with 81 mm of rain across 11.5 wet days and about 15.5 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 35% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 48 min at the start of July to 14 h 54 min by month's end. Set against the rest of the year, July is Trnava's 2nd-clearest and 11th-windiest month. For the whole year in context, see Trnava's year-round climate.

Daytime high
26°
1st warmest
Overnight low
16°
12th coldest
Rainfall
81 mm
11.5 wet days
Daylight
15 h 30 min
4:10 AM – 7:41 PM
Cloud cover
54%
2nd clearest
Wind
11 km/h
11th windiest
Solar energy
5.66 kWh/m²
Travel score
6.5
out of 10

Trnava is city in Slovakia.

Air quality
Elevated
PM2.5 16.2 µg/m³ · 2019
Density
878/km²
people per km²
Founded
1211

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical July day in Trnava reaches about 26°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 32°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132615
142615
152615
162616
172616
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302717
312717

How July really feels in Trnava

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.

Trnava 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°378.54.68.60.0
Feb / -2°347.83.89.90.2
Mar10° / 418.9211.62.2
Apr16° / 428.30.313.45.1
May21° / 10°6611.30156.2
Jun24° / 14°7611.4015.86.6
Jul26° / 16°8111.5015.56.5
Aug26° / 15°659.8014.16.8
Sep21° / 11°658.9012.46.6
Oct15° / 488.60.110.64.4
Nov / 479.2291.4
Dec / -2°4293.58.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55644
65545
75545
85545
95545
105545
115545
125545
135545
145446
155446
165545
175545
185545
195545
205644
215644
225743
235842
245941
255941
266040
276040
286040
296139
306139
316238

Chance of precipitation in July

Any precipitation

Trnava gets around 81 mm of rain over 11.5 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 37% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
537
637
737
837
937
1037
1137
1237
1337
1437
1537
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2636
2736
2836
2936
3035
3135

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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15229181
25130181
35130181
45031181
54932181
64832181
74733191
84733191
94634191
104534192
114435202
124335202
134235212
144136212
154037212
163937222
173838222
183738222
193638233
203539233
213439243
223340243
233240253
243140263
253140263
263040273
272940273
282940283
292840283
302840293
312840293

Wind in July

Winds average 11 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
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 48 min at the start of July to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over July. Sunrise moves from 3:58 AM to 4:27 AM, and sunset from 7:48 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.83:587:48
215.83:587:48
315.83:597:48
415.84:007:48
515.84:007:47
615.84:017:47
715.74:027:46
815.74:027:46
915.74:037:46
1015.74:047:45
1115.74:057:44
1215.64:067:44
1315.64:077:43
1415.64:087:42
1515.54:097:42
1615.54:107:41
1715.54:117:40
1815.54:127:39
1915.44:137:38
2015.44:147:37
2115.44:157:36
2215.34:167:35
2315.34:177:34
2415.24:197:33
2515.24:207:32
2615.24:217:31
2715.14:227:29
2815.14:247:28
2915.04:257:27
3015.04:267:25
3114.94:277:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.66 kWh/m².

For context, solar energy here swings from a low near 0.84 kWh/m² to a high of 5.82 kWh/m² in June across the year — July's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in July

Is July a good time to visit Trnava?

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

6.5
Sightseeing
4th-best month of the year
6.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Trnava for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Trnava in July

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

In July, Trnava sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Trnava in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trnava peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 11UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Trnava 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 Trnava is worst in June — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Trnava's WHO annual average of 16.2 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1519 µg/m³Dec 1213 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar19Moderate
Apr19Moderate
May18Moderate
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep15Moderate
Oct14Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Trnava?

Trnava sits at 48.4°N, 17.6°E, 147 m above sea level, in Slovakia. The nearest listed city is Sereď, 15 km away.

PezinokPiešťanyŠaľaSenica

Topography around Trnava

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

Within 3 km, the terrain around Trnava has only modest variations in elevation — a maximum elevation change of 31 m around an average of 151 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 428 m; within 80 km, large variations in elevation — a maximum elevation change of 1,154 m.

The land around Trnava is covered by cropland (42%) and artificial surfaces (36%) within 3 km, cropland (78%) within 16 km, and cropland (54%) and trees (30%) within 80 km.

3 km
31 m
16 km
428 m
80 km
1,154 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Sereď 15 km · Hlohovec 17 km · Senec 22 km · Galanta 23 km · Pezinok 26 km · Piešťany 30 km · Šaľa 33 km · Senica 37 km

Slovakia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$28,544
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
6.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 606
Religion
Roman Catholic 56%none 24%Evangelical Church of the Augsburg Confession 5%Greek Catholic 4%

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 Trnava (48.3777°, 17.586°, elevation 147 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).