Ptuj weather in May

In May, Ptuj sees average daytime highs of 20°C and overnight lows near 11°C, with 99 mm of rain across 12.8 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Ptuj's 5th-clearest and 4th-windiest month. For the whole year in context, see Ptuj's year-round climate.

Daytime high
20°
5th warmest
Overnight low
11°
8th coldest
Rainfall
99 mm
12.8 wet days
Daylight
14 h 48 min
4:29 AM – 7:16 PM
Cloud cover
61%
5th clearest
Wind
9 km/h
4th windiest
Solar energy
5.4 kWh/m²
Travel score
6.0
out of 10

Ptuj is city in Slovenia.

Density
701/km²
people per km²
Founded
~69 CE

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 19°C in the first days to 22°C by the end.

A typical May day in Ptuj reaches about 20°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
5199
61910
71910
82010
92010
102010
112010
122010
132010
142010
152010
162011
172011
182011
192111
202111
212111
222111
232111
242111
252112
262212
272212
282212
292212
302212
312212

How May really feels in Ptuj

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.

Ptuj weather by month

How May compares with the rest of the year at a glance. May is the 5th-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°386.94.38.80.0
Feb / -2°507.74.2100.5
Mar11° / 599.62.711.62.8
Apr16° / 7110.70.713.34.8
May20° / 11°9912.8014.86.0
Jun24° / 14°10713.1015.56.4
Jul26° / 16°10411.9015.26.5
Aug25° / 15°10811.20146.7
Sep20° / 11°11110.2012.46.3
Oct15° / 779.10.210.74.7
Nov / 779.329.21.8
Dec / -2°628.64.28.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54456
64456
74456
84555
94456
104456
114456
124456
134654
144654
154654
164654
174654
184654
194753
204753
214753
224852
234753
244852
254852
264951
274852
284951
294951
304951
314951

Chance of precipitation in May

Any precipitation

Ptuj gets around 99 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 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
239
339
439
540
640
741
841
941
1042
1142
1242
1342
1442
1542
1642
1742
1842
1942
2041
2141
2241
2341
2441
2542
2642
2742
2843
2943
3044
3144

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19730
29730
39730
49640
59640
69550
79550
89550
99460
109460
119460
129370
139370
149370
159280
169190
179091
1889101
1988111
2086131
2184142
2283152
2380173
2479183
2576204
2675214
2772235
2869256
2967276
3064297
3162308

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 4:51 AM to 4:15 AM, and sunset from 6:57 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:516:57
214.24:496:58
314.24:476:59
414.24:467:01
514.34:447:02
614.34:437:03
714.44:417:05
814.44:407:06
914.54:387:07
1014.54:377:09
1114.64:367:10
1214.64:347:11
1314.74:337:12
1414.74:327:14
1514.74:317:15
1614.84:297:16
1714.84:287:17
1814.94:277:19
1914.94:267:20
2014.94:257:21
2115.04:247:22
2215.04:237:23
2315.04:227:24
2415.14:217:26
2515.14:207:27
2615.14:197:28
2715.24:187:29
2815.24:177:30
2915.24:167:31
3015.34:167:32
3115.34:157:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.4 kWh/m².

For context, solar energy here swings from a low near 1.09 kWh/m² to a high of 5.72 kWh/m² in June across the year — May's 5.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Ptuj?

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

6.0
Sightseeing
5th-best month of the year
3.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Ptuj for sightseeing.

What to pack for Ptuj in May

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

In May, Ptuj sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Ptuj 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 Ptuj peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ptuj 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 Ptuj is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2417 µg/m³Sep 1912 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug13Moderate
Sep12Moderate
Oct13Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Ptuj?

Ptuj sits at 46.4°N, 15.9°E, 237 m above sea level, in Slovenia. The nearest listed city is Maribor, 23 km away.

MariborVaraždinČakovecCeljeVelenjeZaprešićZagrebCentar

Topography around Ptuj

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

Within 3 km, the terrain around Ptuj has only modest variations in elevation — a maximum elevation change of 112 m around an average of 234 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 436 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,016 m.

The land around Ptuj is covered by cropland (30%), trees (26%) and grassland (21%) within 3 km, trees (45%) and cropland (33%) within 16 km, and trees (61%) and cropland (21%) within 80 km.

3 km
112 m
16 km
436 m
80 km
2,016 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Maribor 23 km · Varaždin 38 km · Čakovec 43 km · Celje 51 km · Velenje 59 km · Zaprešić 63 km · Zagreb 68 km · Centar 68 km

Slovenia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 63% of US
price level, 2025
GDP per capita
$37,376
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Catholic 69%atheist 14%Orthodox 4%non-believer/agnostic 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 Ptuj (46.4201°, 15.8702°, elevation 237 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).