Piran

Slovenian Littoral (Primorska) Weather in December

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

Thinking about venturing to Slovenian Littoral (Primorska), Slovenia this December 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 December

Slovenian Littoral (Primorska), Slovenia is a region in Slovenia. December in Slovenian Littoral (Primorska) generally has cold temperatures, with high precipitation. December is a winter month.

Temperatures

The average maximum temperatures are cold and range from 5°C (41°F) in Tolmin to 11°C (52°F) in Piran. Nighttime temperatures generally drop to 7°C (45°F) in Piran and -3°C (27°F) in Tolmin.

For a closer look at conditions across Slovenian Littoral (Primorska), Slovenia, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From high rainfall in Portorož with an average of 119 mm (4.7 in) to high rainfall in Nova Gorica with 139 mm (5.5 in).

Average sunshine

Sunshine is quite limited in many locations during December. Portorož receives roughly 95 hours of sunlight. For destinations with more sunshine, our weather planner offers alternatives worldwide.

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 December

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 December for some of the most popular destinations in Slovenian Littoral (Primorska), Slovenia?

Temperature range in Slovenian Littoral (Primorska) (December)

Precipitation variation in Slovenian Littoral (Primorska) (December)

Portorož

In December Portorož generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
15°C (59°F)
11°C (52°F)
9°C (48°F)
Min temperature
10°C (50°F)
6°C (43°F)
5°C (41°F)
Monthly sun hours
110 hours
95 hours
102 hours
Monthly rainfall
177 mm (7 in)
119 mm (4.7 in)
84 mm (3.3 in)
Monthly rainy days
13 days
12 days
12 days
Weather conditions

Piran

In December Piran generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
15°C (59°F)
11°C (52°F)
10°C (50°F)
Min temperature
10°C (50°F)
7°C (45°F)
5°C (41°F)
Monthly sun hours
110 hours
95 hours
102 hours
Monthly rainfall
179 mm (7 in)
120 mm (4.7 in)
85 mm (3.3 in)
Monthly rainy days
13 days
12 days
12 days
Weather conditions

Kobarid

In December Kobarid generally has low temperatures with maximum daytime temperatures around 5°C (41°F), minimum nighttime temperatures around -3°C (27°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
9°C (48°F)
5°C (41°F)
4°C (39°F)
Min temperature
2°C (36°F)
-3°C (27°F)
-3°C (27°F)
Monthly sun hours
117 hours
81 hours
109 hours
Monthly snow/rainfall
205 mm (8.1 in)
135 mm (5.3 in)
92 mm (3.6 in)
Monthly rainy days
14 days
12 days
12 days
Weather conditions

Tolmin

In December Tolmin generally has low temperatures with maximum daytime temperatures around 5°C (41°F), minimum nighttime temperatures around -3°C (27°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
9°C (48°F)
5°C (41°F)
4°C (39°F)
Min temperature
2°C (36°F)
-3°C (27°F)
-3°C (27°F)
Monthly sun hours
117 hours
81 hours
109 hours
Monthly snow/rainfall
200 mm (7.9 in)
134 mm (5.3 in)
93 mm (3.7 in)
Monthly rainy days
14 days
13 days
13 days
Weather conditions

Nova Gorica

In December Nova Gorica generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 1°C (34°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
12°C (54°F)
8°C (46°F)
7°C (45°F)
Min temperature
5°C (41°F)
1°C (34°F)
0°C (32°F)
Monthly sun hours
98 hours
84 hours
98 hours
Monthly rainfall
209 mm (8.2 in)
139 mm (5.5 in)
100 mm (3.9 in)
Monthly rainy days
14 days
12 days
12 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 December

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

City Weather Day temp Night temp Rainfall
Portorož 11°C (52°F) 6°C (43°F) 119 mm (4.7 in)
Piran 11°C (52°F) 7°C (45°F) 120 mm (4.7 in)
Kobarid 5°C (41°F) -3°C (27°F) 135 mm (5.3 in)
Tolmin 5°C (41°F) -3°C (27°F) 134 mm (5.3 in)
Nova Gorica 8°C (46°F) 1°C (34°F) 139 mm (5.5 in)

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

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

In December, Slovenian Littoral (Primorska), Slovenia generally has poor weather conditions. Portorož sees daytime temperatures near 11°C (52°F), with nights cooling to roughly 6°C (43°F).

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

In Portorož, the average daytime high in December is 11°C (52°F), while nighttime temperatures drop to around 6°C (43°F).

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

Slovenian Littoral (Primorska), Slovenia sees substantial rainfall in December. Portorož typically averages about 119 mm (4.7 in), a mix of wet and dry days, but bring an umbrella.

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

Given the typically poor weather conditions in Portorož, December may not be the ideal time to visit Slovenian Littoral (Primorska), Slovenia.

On average, the best time to visit Slovenian Littoral (Primorska), Slovenia is in May, June, July and August with generally perfect weather in Portorož. In contrast, 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.