Trnava weather in October

In October, Trnava sees average daytime highs of 15°C and overnight lows near 7°C, with 48 mm of precipitation across 8.6 wet days and about 10.6 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 12°C by the end. The sky is clear or mostly clear about 26% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 42 min by month's end. Set against the rest of the year, October is Trnava's 7th-clearest and 6th-windiest month. For the whole year in context, see Trnava's year-round climate.

Daytime high
15°
7th warmest
Overnight low
7th coldest
Precipitation
48 mm
8.6 wet days
Daylight
10 h 36 min
6:18 AM – 4:51 PM
Cloud cover
63%
7th clearest
Wind
12 km/h
6th windiest
Solar energy
2.13 kWh/m²
Travel score
4.4
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 12°C by the end.

A typical October day in Trnava reaches about 15°C in the afternoon and slips back to 7°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 20°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1189
2189
3189
4179
5178
6178
7178
8168
9168
10168
11167
12157
13157
14157
15157
16147
17146
18146
19146
20136
21136
22136
23135
24135
25135
26125
27125
28125
29125
30125
31125

How October really feels in Trnava

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54357
64258
74258
84357
94357
104357
114357
124357
134357
144258
154357
164357
174357
184357
194258
204258
214258
224159
234159
244159
254060
264060
273961
284060
293862
303961
313862

Chance of precipitation in October

Any precipitationSnow

Trnava gets around 48 mm of rain and snow over 8.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 30% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1290
2300
3300
4300
5290
6290
7290
8290
9280
10280
11270
12270
13270
14260
15260
16260
17260
18260
19261
20271
21271
22271
23271
24271
25271
26271
27271
28271
29271
30272
31272

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19091
29190
39190
49190
59190
69190
79280
89280
99370
109370
119460
129550
139550
149640
159730
169730
179820
189820
199910
209910
219910
229910
239910
249910
259910
2610000
2710000
2810000
2910000
3010000
3110000

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 12 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
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 5:55 AM to 6:42 AM, and sunset from 5:22 PM to 4:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:555:22
211.45:575:20
311.35:585:18
411.36:005:16
511.26:015:13
611.16:035:11
711.16:045:09
811.06:065:07
911.06:075:05
1010.96:095:03
1110.86:105:01
1210.86:124:59
1310.76:144:57
1410.76:154:55
1510.66:174:53
1610.66:184:51
1710.56:204:49
1810.46:214:47
1910.46:234:46
2010.36:244:44
2110.36:264:42
2210.26:274:40
2310.26:294:38
2410.16:314:36
2510.06:324:35
2610.06:344:33
279.96:354:31
289.96:374:30
299.86:394:28
309.86:404:26
319.76:424:25

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.13 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 — October's 2.13 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.7Moderate
32.7Moderate
42.6Moderate
52.6Moderate
62.5Moderate
72.5Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.3Moderate
122.3Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.1Moderate
172.1Moderate
182.0Moderate
192.0Moderate
202.0Dim
211.9Dim
221.9Dim
231.9Dim
241.8Dim
251.8Dim
261.8Dim
271.7Dim
281.7Dim
291.7Dim
301.6Dim
311.6Dim
Planning a trip in October

Is October a good time to visit Trnava?

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

4.4
Sightseeing
7th-best month of the year
0.5
Beach & pool
7th-best month of the year

October is a reasonable time to visit Trnava for sightseeing.

What to pack for Trnava in October

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

In October, Trnava sees daytime highs around 15°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Trnava in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. 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 October

GoodModeratePoorUnhealthyVery unhealthy

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