Portorož

Slovenia Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Slovenia in May.

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Ljubljana Bled Portorož Kranjska Gora

Thinking about venturing to Slovenia this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Slovenia in May

May in Slovenia generally has temperatures that range from mild to warm, with precipitation levels ranging from moderate to heavy.

Temperatures

During the day temperatures vary from mild in Rateče at 17°C (63°F) to warm in Čatež ob Savi at 23°C (73°F). At night it cools down to 11°C (52°F) in Čatež ob Savi and 7°C (45°F) in Rateče.

For a closer look at conditions across Slovenia, refer to the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Šalovci with an average of 84 mm (3.3 in) to heavy rainfall in Log pod Mangartom with 168 mm (6.6 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Ljubljana sees close to 234 hours of sunlight, making it great for sun lovers.

Explore Slovenia by month

Pick a month to see the average temperature, rainfall and sunshine in Slovenia — and find the best time to visit. (based on Ljubljana)

January5°C (41°F) February7°C (45°F) March12°C (54°F) April16°C (61°F) May21°C (70°F) June24°C (75°F) This monthJuly27°C (81°F) August26°C (79°F) September21°C (70°F) October16°C (61°F) November10°C (50°F) December5°C (41°F)
Best Time to Visit Slovenia →

Best Places to Visit in Slovenia in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Slovenia.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Slovenia

What is the weather like in May for some of the most popular destinations in Slovenia?

Temperature range in Slovenia (May)

Precipitation variation in Slovenia (May)

Ljubljana

In May Ljubljana generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« April
May
June »
April
May
June
Max temperature
16°C (61°F)
21°C (70°F)
24°C (75°F)
Min temperature
5°C (41°F)
10°C (50°F)
13°C (55°F)
Monthly sun hours
180 hours
234 hours
248 hours
Monthly rainfall
98 mm (3.9 in)
109 mm (4.3 in)
115 mm (4.5 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions
tolerable
pleasant
pleasant
Climate in Ljubljana →

Bled

In May Bled generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
14°C (57°F)
19°C (66°F)
22°C (72°F)
Min temperature
4°C (39°F)
8°C (46°F)
12°C (54°F)
Monthly sun hours
183 hours
222 hours
226 hours
Monthly rainfall
117 mm (4.6 in)
133 mm (5.2 in)
154 mm (6.1 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions
unpleasant
tolerable
pleasant
Climate in Bled →

Portorož

In May Portorož generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
16°C (61°F)
21°C (70°F)
25°C (77°F)
Min temperature
11°C (52°F)
15°C (59°F)
20°C (68°F)
Monthly sun hours
197 hours
256 hours
276 hours
Monthly rainfall
89 mm (3.5 in)
93 mm (3.7 in)
78 mm (3.1 in)
Monthly rainy days
13 days
14 days
14 days
Weather conditions
tolerable
perfect
perfect
Climate in Portorož →

Kranjska Gora

In May Kranjska Gora generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
13°C (55°F)
18°C (64°F)
21°C (70°F)
Min temperature
3°C (37°F)
7°C (45°F)
11°C (52°F)
Monthly sun hours
149 hours
173 hours
177 hours
Monthly rainfall
133 mm (5.2 in)
156 mm (6.1 in)
179 mm (7 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions
poor
tolerable
pleasant
Climate in Kranjska Gora →

Bohinj

In May Bohinj generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
14°C (57°F)
18°C (64°F)
22°C (72°F)
Min temperature
4°C (39°F)
8°C (46°F)
12°C (54°F)
Monthly sun hours
183 hours
222 hours
226 hours
Monthly rainfall
137 mm (5.4 in)
153 mm (6 in)
172 mm (6.8 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions
unpleasant
tolerable
pleasant
Climate in Bohinj →

Is your destination not in the list? Have a look at all destinations in Slovenia.

Popular cities in May

Day & night temperatures, rainfall and average weather in Slovenia in May.

City Weather Day temp Night temp Rainfall
Ljubljana 21°C (70°F) 10°C (50°F) 109 mm (4.3 in)
Bled 19°C (66°F) 8°C (46°F) 133 mm (5.2 in)
Portorož 21°C (70°F) 15°C (59°F) 93 mm (3.7 in)
Kranjska Gora 18°C (64°F) 7°C (45°F) 156 mm (6.1 in)
Moravske-Toplice 22°C (72°F) 11°C (52°F) 86 mm (3.4 in)
Koper 21°C (70°F) 14°C (57°F) 109 mm (4.3 in)

Slovenia weather in May: frequently asked questions

What is the weather like in Slovenia in May?

In May, Slovenia generally has pleasant weather conditions. Ljubljana sees daytime temperatures near 21°C (70°F), with nights cooling to roughly 10°C (50°F).

What is the average temperature in Slovenia in May?

Ljubljana averages a daytime maximum of 21°C (70°F) in May, with overnight lows close to 10°C (50°F).

Does Slovenia get a lot of rain in May?

Ljubljana typically receives notable rainfall in May, about 109 mm (4.3 in) on average across Slovenia.

Is May a Good Time to Visit Slovenia?

We consider May to be one of the best times to travel to Slovenia. Typically, the climate in Ljubljana is pleasant. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly pleasant weather in Ljubljana. On the other hand, the weather in January, February, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Slovenia.

Weather and climate has detailed information for every country in the world. Are you going to Slovenia? Get detailed historical weather averages for many cities in Slovenia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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