Trenčín weather in May

In May, Trenčín sees average daytime highs of 18°C and overnight lows near 9°C, with 83 mm of rain across 12.8 wet days and about 15 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Trenčín's 6th-clearest and 5th-windiest month. For the whole year in context, see Trenčín's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Rainfall
83 mm
12.8 wet days
Daylight
15 hours
4:13 AM – 7:16 PM
Cloud cover
61%
6th clearest
Wind
10 km/h
5th windiest
Solar energy
5.25 kWh/m²
Travel score
5.6
out of 10

Trenčín is city in Slovakia.

Air quality
Elevated
PM2.5 17.7 µg/m³ · 2019
Density
711/km²
people per km²
Founded
1111

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 20°C by the end.

A typical May day in Trenčín reaches about 18°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 24°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1177
2177
3177
4187
5188
6188
7188
8188
9188
10188
11188
12188
13188
14188
15188
16188
17189
18189
19199
20199
21199
22199
23199
24199
251910
261910
272010
282010
292010
302010
312010

How May really feels in Trenčín

Once humidity and wind are folded in, May 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

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

Trenčín weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4810.17.28.50.0
Feb / -3°459.66.19.80.0
Mar / 5310.73.511.61.3
Apr14° / 5410.1113.44.0
May18° / 8312.80155.6
Jun22° / 12°9013.2015.96.1
Jul24° / 14°10513.2015.56.5
Aug24° / 13°8111.3014.26.8
Sep19° / 10°7610.8012.45.8
Oct13° / 579.80.310.53.5
Nov / 5410.138.90.8
Dec / -3°5110.25.68.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44654
54654
64654
74654
84654
94555
104456
114456
124555
134555
144654
154555
164555
174555
184555
194555
204654
214654
224654
234753
244654
254753
264753
274753
284852
294852
304654
314654

Chance of precipitation in May

Any precipitation

Trenčín gets around 83 mm of rain over 12.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
238
339
439
540
641
741
842
942
1042
1143
1243
1343
1443
1543
1643
1743
1842
1942
2041
2141
2241
2340
2440
2540
2640
2740
2841
2941
3042
3142

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49730
59730
69730
79640
89640
99640
109640
119550
129550
139550
149550
159460
169460
179370
189370
199181
209091
2189101
2288111
2387121
2486131
2585141
2682162
2781172
2880182
2977203
3076213
3173234

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 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
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 4:36 AM to 3:57 AM, and sunset from 6:54 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:366:54
214.44:346:55
314.44:336:57
414.54:316:58
514.54:297:00
614.64:287:01
714.64:267:03
814.74:247:04
914.74:237:06
1014.84:217:07
1114.84:207:09
1214.94:187:10
1314.94:177:11
1415.04:157:13
1515.04:147:14
1615.04:137:16
1715.14:117:17
1815.14:107:18
1915.24:097:20
2015.24:087:21
2115.34:067:22
2215.34:057:23
2315.34:047:25
2415.44:037:26
2515.44:027:27
2615.54:017:28
2715.54:007:29
2815.53:597:31
2915.63:587:32
3015.63:577:33
3115.63:577:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.25 kWh/m².

For context, solar energy here swings from a low near 0.76 kWh/m² to a high of 5.6 kWh/m² in June across the year — May's 5.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Trenčín?

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

5.6
Sightseeing
5th-best month of the year
2.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Trenčín for sightseeing.

What to pack for Trenčín in May

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

In May, Trenčín sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Trenčín in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Trenčín 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
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Trenčín in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Trenčín is worst in June — around 22 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Trenčín's WHO annual average of 17.7 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1722 µg/m³Dec 1513 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar20Moderate
Apr20Moderate
May21Moderate
Jun22Moderate
Jul21Moderate
Aug20Moderate
Sep17Moderate
Oct15Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Trenčín?

Trenčín sits at 48.9°N, 18.0°E, 217 m above sea level, in Slovakia. The nearest listed city is Dubnica nad Váhom, 11 km away.

Bánovce nad BebravouUherský BrodPúchovPiešťanyPovažská BystricaTopoľčany

Topography around Trenčín

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

Within 3 km, the terrain around Trenčín has only modest variations in elevation — a maximum elevation change of 208 m around an average of 241 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 865 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,529 m.

The land around Trenčín is covered by trees (37%), artificial surfaces (30%) and cropland (20%) within 3 km, trees (63%) within 16 km, and trees (53%) and cropland (31%) within 80 km.

3 km
208 m
16 km
865 m
80 km
1,529 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Dubnica nad Váhom 11 km · Nové Mesto nad Váhom 22 km · Bánovce nad Bebravou 25 km · Uherský Brod 32 km · Púchov 33 km · Piešťany 37 km · Považská Bystrica 37 km · Topoľčany 38 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 Trenčín (48.8945°, 18.0444°, elevation 217 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).