Nova Gorica weather in May

In May, Nova Gorica sees average daytime highs of 19°C and overnight lows near 10°C, with 159 mm of rain across 16 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°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 12 min by month's end. Set against the rest of the year, May is Nova Gorica's 6th-clearest and 9th-windiest month. For the whole year in context, see Nova Gorica's year-round climate.

Daytime high
19°
5th warmest
Overnight low
10°
8th coldest
Rainfall
159 mm
16 wet days
Daylight
14 h 42 min
4:40 AM – 7:24 PM
Cloud cover
61%
6th clearest
Wind
6 km/h
9th windiest
Solar energy
5.57 kWh/m²
Travel score
5.3
out of 10

Nova Gorica is city in Western Slovenia.

Air quality
Moderate
PM2.5 12.8 µg/m³ · 2019
Density
42/km²
people per km²

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 18°C in the first days to 21°C by the end.

A typical May day in Nova Gorica reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°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)
1179
2189
3189
4189
5189
6189
7189
81810
91810
101810
111810
121910
131910
141910
151910
161910
171911
181911
191911
202011
212011
222011
232011
242011
252012
262012
272112
282112
292112
302112
312112

How May really feels in Nova Gorica

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.

Nova Gorica weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°1089.84.18.90.0
Feb / -1°1149.63.8100.5
Mar10° / 12311.42.611.62.4
Apr15° / 14014.20.913.34.0
May19° / 10°15916014.75.3
Jun23° / 14°14814.6015.56.1
Jul25° / 16°12613.6015.26.5
Aug25° / 16°13713.10146.5
Sep20° / 12°18112.8012.35.9
Oct15° / 18412.60.310.74.3
Nov10° / 20913.21.49.31.9
Dec / -0°14110.138.50.2

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 21% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44456
54357
64357
74357
84456
94456
104456
114456
124456
134654
144555
154654
164654
174852
184852
194951
205050
215050
225149
235149
245248
255248
265248
275248
285248
295149
305149
315050

Chance of precipitation in May

Any precipitation

Nova Gorica gets around 159 mm of rain over 16 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 52% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
453
553
653
753
853
953
1053
1153
1252
1352
1452
1552
1652
1751
1851
1951
2050
2150
2250
2350
2450
2551
2651
2751
2851
2951
3051
3151

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29730
39640
49640
59550
69460
79460
89370
99280
109190
119190
1290100
1389110
1488120
1587130
1686140
1784151
1883161
1983161
2081172
2180182
2277203
2376213
2474224
2571245
2669256
2766277
2864297
2961318
3058339
31553510

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 5:01 AM to 4:26 AM, and sunset from 7:05 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:017:05
214.14:597:06
314.24:577:07
414.24:567:09
514.34:547:10
614.34:537:11
714.44:517:12
814.44:507:14
914.44:497:15
1014.54:477:16
1114.54:467:18
1214.64:457:19
1314.64:437:20
1414.74:427:21
1514.74:417:22
1614.74:407:24
1714.84:387:25
1814.84:377:26
1914.94:367:27
2014.94:357:28
2114.94:347:30
2215.04:337:31
2315.04:327:32
2415.04:317:33
2515.14:307:34
2615.14:297:35
2715.14:297:36
2815.24:287:37
2915.24:277:38
3015.24:267:39
3115.24:267:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m².

For context, solar energy here swings from a low near 1.1 kWh/m² to a high of 6.13 kWh/m² in July across the year — May's 5.57 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Nova Gorica?

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

5.3
Sightseeing
5th-best month of the year
2.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Nova Gorica for sightseeing.

What to pack for Nova Gorica in May

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

In May, Nova Gorica sees daytime highs around 19°C and nights near 10°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.

rain gearsun protection

Sea temperature near Nova Gorica in May

The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 37 km away) is warmest in August at about 25°C and coldest in February near 10°C.

It's comfortable for a long swim from May 31 to Oct 9 — about 4.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr13Bracing
May18Cool
Jun23Refreshing
Jul25Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Nova Gorica 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 Nova Gorica peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Nova Gorica 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 Nova Gorica is worst in January — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (September, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Nova Gorica's WHO annual average of 12.8 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1817 µg/m³Sep 149 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar15Moderate
Apr14Moderate
May12Moderate
Jun12Moderate
Jul12Moderate
Aug10Good
Sep9Good
Oct11Good
Nov11Good
Dec14Moderate
Location & terrain

Where is Nova Gorica?

Nova Gorica sits at 46.0°N, 13.6°E, 0 m above sea level, in Slovenia. The nearest listed city is Gorizia, 3.0 km away.

MonfalconeUdineTriesteDivačaBohinjKoperPiran

Topography around Nova Gorica

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

Within 3 km, the terrain around Nova Gorica has large variations in elevation — a maximum elevation change of 601 m around an average of 147 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,433 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,763 m.

The land around Nova Gorica is covered by trees (68%) within 3 km, trees (73%) within 16 km, and trees (56%) within 80 km.

3 km
601 m
16 km
1,433 m
80 km
2,763 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Gorizia 3.0 km · Monfalcone 19 km · Udine 34 km · Trieste 36 km · Divača 39 km · Bohinj 42 km · Koper 46 km · Piran 48 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 Nova Gorica (45.956°, 13.6484°, elevation 0 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).