Zvolen weather in May

In May, Zvolen sees average daytime highs of 18°C and overnight lows near 8°C, with 99 mm of rain across 14 wet days and about 15 hours of daylight. It is the 4th-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 24% 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 Zvolen's 6th-clearest and 3rd-windiest month. For the whole year in context, see Zvolen's year-round climate.

Daytime high
18°
4th warmest
Overnight low
8th coldest
Rainfall
99 mm
14 wet days
Daylight
15 hours
4:09 AM – 7:10 PM
Cloud cover
62%
6th clearest
Wind
8 km/h
3rd windiest
Solar energy
5.41 kWh/m²
Travel score
5.4
out of 10

Zvolen is town in Slovakia.

Air quality
Moderate
PM2.5 14.4 µg/m³ · 2019
Density
404/km²
people per km²
Founded
1135

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 Zvolen reaches about 18°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1176
2176
3176
4176
5176
6187
7187
8187
9187
10187
11187
12187
13187
14187
15187
16187
17188
18188
19188
20198
21198
22198
23198
24198
25198
26199
27199
28209
29209
30209
31209

How May really feels in Zvolen

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.

Zvolen weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°469.27.18.50.0
Feb / -5°469.26.59.80.0
Mar / -1°539.83.411.61.2
Apr14° / 6210.70.613.43.9
May18° / 99140155.4
Jun22° / 11°10614.2015.85.9
Jul24° / 12°10313.6015.56.4
Aug23° / 12°8811.3014.16.8
Sep18° / 7210012.45.8
Oct12° / 6510.40.410.63.4
Nov / 6210.52.790.7
Dec / -4°519.66.18.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34654
44654
54753
64753
74654
84753
94753
104753
114753
124753
134753
144753
154753
164753
174753
184753
194654
204555
214555
224555
234555
244555
254555
264555
274555
284555
294555
304555
314555

Chance of precipitation in May

Any precipitation

Zvolen gets around 99 mm of rain over 14 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 45% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
141
242
342
443
544
644
745
845
945
1045
1145
1245
1345
1445
1545
1645
1745
1844
1944
2044
2144
2244
2344
2444
2544
2645
2745
2846
2947
3047
3148

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 (%)
19910
29910
39820
49820
59820
69820
79730
89730
99730
109730
119640
129640
139550
149550
159550
169460
179370
189280
199190
2090100
2189110
2288120
2387130
2484151
2583161
2682171
2780191
2879201
2976222
3075232
3172253

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 4:32 AM to 3:54 AM, and sunset from 6:49 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:326:49
214.34:316:50
314.44:296:52
414.44:276:53
514.54:266:55
614.54:246:56
714.64:226:57
814.64:216:59
914.74:197:00
1014.74:187:02
1114.84:167:03
1214.84:157:05
1314.94:137:06
1414.94:127:07
1515.04:117:09
1615.04:097:10
1715.14:087:11
1815.14:077:13
1915.14:057:14
2015.24:047:15
2115.24:037:16
2215.34:027:18
2315.34:017:19
2415.34:007:20
2515.43:597:21
2615.43:587:23
2715.43:577:24
2815.53:567:25
2915.53:557:26
3015.53:547:27
3115.63:547:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.41 kWh/m².

For context, solar energy here swings from a low near 0.87 kWh/m² to a high of 5.71 kWh/m² in June across the year — May's 5.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Zvolen?

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

5.4
Sightseeing
5th-best month of the year
2.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Zvolen for sightseeing.

What to pack for Zvolen in May

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

In May, Zvolen sees daytime highs around 18°C and nights near 8°C. Pack rain gear. Worth having: a warm layer and sun protection. About 14 days see rain.

rain geara warm layersun protection

UV index in Zvolen 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 Zvolen peaks around July 13 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 13UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Zvolen 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 Zvolen is worst in June — around 18 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zvolen's WHO annual average of 14.4 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1918 µg/m³Dec 1410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar16Moderate
Apr17Moderate
May16Moderate
Jun18Moderate
Jul18Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Zvolen?

Zvolen sits at 48.6°N, 19.2°E, 297 m above sea level, in Slovakia. The nearest listed city is Banská Bystrica, 18 km away.

HandlováBreznoPrievidzaLučenecBojniceLevice

Topography around Zvolen

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

Within 3 km, the terrain around Zvolen has significant variations in elevation — a maximum elevation change of 302 m around an average of 341 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 816 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,041 m.

The land around Zvolen is covered by trees (49%) and artificial surfaces (22%) within 3 km, trees (60%) and grassland (20%) within 16 km, and trees (62%) and cropland (22%) within 80 km.

3 km
302 m
16 km
816 m
80 km
2,041 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Banská Bystrica 18 km · Žiar nad Hronom 22 km · Handlová 34 km · Brezno 44 km · Prievidza 45 km · Lučenec 46 km · Bojnice 48 km · Levice 57 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 Zvolen (48.5744°, 19.1532°, elevation 297 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).