Trnava weather in August

In August, Trnava sees average daytime highs of 26°C and overnight lows near 15°C, with 65 mm of rain across 9.8 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 39% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Trnava's 1st-clearest and 12th-windiest month. For the whole year in context, see Trnava's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
65 mm
9.8 wet days
Daylight
14 h 06 min
4:49 AM – 6:58 PM
Cloud cover
50%
1st clearest
Wind
10 km/h
12th windiest
Solar energy
4.98 kWh/m²
Travel score
6.8
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical August day in Trnava reaches about 26°C in the afternoon and slips back to 15°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, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182615
192615
202615
212615
222615
232615
242515
252515
262514
272514
282514
292414
302414
312414

How August really feels in Trnava

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36337
46337
56436
66436
76436
86436
96436
106436
116436
126436
136436
146436
156436
166436
176436
186337
196337
206337
216337
226238
236238
246139
256139
266040
275941
285842
295842
305743
315842

Chance of precipitation in August

Any precipitation

Trnava gets around 65 mm of rain over 9.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
533
633
733
833
933
1032
1132
1232
1332
1432
1532
1632
1731
1831
1931
2031
2131
2231
2331
2431
2531
2632
2732
2832
2932
3032
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12840293
22840293
32940293
42940283
53039283
63139273
73239262
83340252
93440242
103540222
113641212
123741202
133841192
143841191
153942181
164042181
174042171
184142171
194142161
204242161
214242151
224341151
234540151
244639141
254838140
264937130
275235130
285434120
295633110
305832100
316030100

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 54 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over August. Sunrise moves from 4:29 AM to 5:11 AM, and sunset from 7:23 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:297:23
214.94:307:21
314.84:317:20
414.84:337:18
514.74:347:17
614.74:357:15
714.64:377:14
814.64:387:12
914.54:397:10
1014.54:417:09
1114.44:427:07
1214.44:447:05
1314.34:457:04
1414.34:467:02
1514.24:487:00
1614.14:496:58
1714.14:516:56
1814.04:526:55
1914.04:546:53
2013.94:556:51
2113.94:566:49
2213.84:586:47
2313.84:596:45
2413.75:016:43
2513.65:026:41
2613.65:036:39
2713.55:056:37
2813.55:066:35
2913.45:086:33
3013.45:096:31
3113.35:116:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.98 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 — August's 4.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.4Bright
294.3Bright
304.3Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Trnava?

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

6.8
Sightseeing
1st-best month of the year
6.5
Beach & pool
1st-best month of the year

August 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 August

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

In August, Trnava sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Trnava in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 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 August

GoodModeratePoorUnhealthyVery unhealthy

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