Piran

Slovenian Littoral (Primorska) Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Slovenian Littoral (Primorska), Slovenia in May.

Thinking about venturing to Slovenian Littoral (Primorska), 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 Slovenian Littoral (Primorska) in May

Slovenian Littoral (Primorska), Slovenia is a region in Slovenia. May in Slovenian Littoral (Primorska) generally has pleasant temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum temperatures are pleasant and range from 19°C (66°F) in Kobarid to 21°C (70°F) in Nova Gorica. Nighttime temperatures generally drop to 12°C (54°F) in Nova Gorica and 9°C (48°F) in Kobarid.

For specific regional insights in Slovenian Littoral (Primorska), Slovenia, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Piran with an average of 93 mm (3.7 in) to heavy rainfall in Kobarid with 163 mm (6.4 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Portorož typically receives 256 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Slovenian Littoral (Primorska) by month

Pick a month to see the average temperature, rainfall and sunshine in Slovenian Littoral (Primorska) — and find the best time to visit. (based on Portorož)

Best Places to Visit in Slovenian Littoral (Primorska) in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Slovenian Littoral (Primorska).

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 Slovenian Littoral (Primorska)

What is the weather like in May for some of the most popular destinations in Slovenian Littoral (Primorska), Slovenia?

Temperature range in Slovenian Littoral (Primorska) (May)

Precipitation variation in Slovenian Littoral (Primorska) (May)

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.

May
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

Piran

In May Piran generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
16°C (61°F)
21°C (70°F)
25°C (77°F)
Min temperature
11°C (52°F)
16°C (61°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

Kobarid

In May Kobarid generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
14°C (57°F)
19°C (66°F)
23°C (73°F)
Min temperature
5°C (41°F)
9°C (48°F)
13°C (55°F)
Monthly sun hours
156 hours
186 hours
204 hours
Monthly rainfall
149 mm (5.9 in)
163 mm (6.4 in)
165 mm (6.5 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions

Tolmin

In May Tolmin generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
14°C (57°F)
19°C (66°F)
23°C (73°F)
Min temperature
5°C (41°F)
9°C (48°F)
13°C (55°F)
Monthly sun hours
156 hours
186 hours
204 hours
Monthly rainfall
147 mm (5.8 in)
161 mm (6.3 in)
170 mm (6.7 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions

Nova Gorica

In May Nova Gorica generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
16°C (61°F)
21°C (70°F)
25°C (77°F)
Min temperature
7°C (45°F)
12°C (54°F)
15°C (59°F)
Monthly sun hours
178 hours
227 hours
243 hours
Monthly rainfall
138 mm (5.4 in)
147 mm (5.8 in)
138 mm (5.4 in)
Monthly rainy days
15 days
16 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Slovenian Littoral (Primorska), in Slovenia.

Popular cities in May

Day & night temperatures, rainfall and average weather in Slovenian Littoral (Primorska) in May.

City Weather Day temp Night temp Rainfall
Portorož 21°C (70°F) 15°C (59°F) 93 mm (3.7 in)
Piran 21°C (70°F) 16°C (61°F) 93 mm (3.7 in)
Kobarid 19°C (66°F) 9°C (48°F) 163 mm (6.4 in)
Tolmin 19°C (66°F) 9°C (48°F) 161 mm (6.3 in)
Nova Gorica 21°C (70°F) 12°C (54°F) 147 mm (5.8 in)

Slovenian Littoral (Primorska) weather in May: frequently asked questions

What is the weather like in Slovenian Littoral (Primorska), Slovenia in May?

In May, Slovenian Littoral (Primorska), Slovenia generally has perfect weather conditions. Portorož sees daytime temperatures near 21°C (70°F), with nights cooling to roughly 15°C (59°F).

What is the average temperature in Slovenian Littoral (Primorska), Slovenia in May?

Average temperatures in Slovenian Littoral (Primorska), Slovenia during May range from a nighttime low near 15°C (59°F) to a daytime high around 21°C (70°F) in Portorož.

Does Slovenian Littoral (Primorska), Slovenia get a lot of rain in May?

May is on the drier side in Slovenian Littoral (Primorska), Slovenia. Portorož averages only about 93 mm (3.7 in), with most days staying dry.

Is May a Good Time to Visit Slovenian Littoral (Primorska), Slovenia?

We consider May to be one of the best times to travel to Slovenian Littoral (Primorska), Slovenia. Typically, the climate in Portorož is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, May, June, July and August provide perfect weather in Portorož. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Slovenian Littoral (Primorska).

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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