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Split in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Split in December will be like? Take a look at our weather guide for Split, based on historical data.
Check flight prices to Split on Avionero:
December

Weather in Split in December 2024

Good Weather
Mild
☀️
Sunny
🌊
Cold water
Planning a trip to Split in December? You are in luck! The weather is generally good, with an average maximum temperature of +54°F and approximately 12 sunny days. Just be prepared for some rain, as there are usually around 12 rainy days and 136 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+54°F
Avg. max. temperature
+23°F
Min.
+66°F
Max.
136 mm
Total precipitation
64%
Avg. humidity
3 m/s
Avg. wind
12 ☀️
Sunny Days
4 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Split has good weather in December.

Average temperature in Split in December

Here are the expected maximum, average and minimum temperatures in Split for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +66°F during the day to a minimum of +37°F during the night, the temperature in December averages around +57°F.

The average maximum temperature goes down 31% by the end of the month, compared with the beginning of the month, from +66°F to +57°F.

Is Split warm or cold in December?

Split is typically mild in December.

Maximum temperatures go down compared to the previous month from +61°F to +54°F. The minimum temperature also goes down from +50°F to +43°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

December is one of the coolest months in Split, here is the comparison with other months:

Water temperature in Split in December

Water in Split in December is Cold. It varies from +56°F to +64°F, with an average of +60°F. Note that the air temperature is lower than the water temperature, averaging around +54°F.

In December, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Split are reached in August, when the average sea temperature rises to +77°F. The coldest water temperatures are in February, with an average of +56°F.

Can you swim in Split in December?

We would not recommend swimming in Split in December, the water is very cold (+60°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Split in December

Split weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+61°F+54°F+52°F
Min. temperature
+30°F+23°F+16°F
Max. temperature
+79°F+66°F+63°F
Rainfall
174 mm136 mm98 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+64°F+60°F+56°F
Humidity
66%64%62%
Air pressure
1015 HPa1016 HPa1017 HPa
Sunny days
111213
Cloudy days
344
Rainy days
121212
Snowy days
000

December often has better weather than November. It’s getting colder in December. From +61°F in the day, the average maximum temperature lowers to +54°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 174 mm to 136 mm. It feels drier, as humidity decreases from 66% to 64%. The average wind speed doesn’t change much during December, staying around 3 m/s. The good news is there are likely to be more sunny days in December, from 11 to 12.

January brings much the same weather, it remains good.

Wind

Wind speed in Split in December based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Split is gradually decreasing during December, going from 5 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Split based on historical data.
Last Year
Historical Data
Typically, there is a 45% chance of rain on an average day in December, with total rainfall of approximately 88 mm. The maximum amount of rainfall per day is around 39 mm, which is moderate rain. December is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
December is one of the rainiest months in Split, here is a comparison with other months, total mm:
Split wettest month is November, where a typical day has a 40% chance of precipitation and 174 mm of rainfall per day. July, on the other hand, is the driest month with a mere 13% chance of precipitation and 18 mm of rainfall per day.

How was the weather last December in Split?

This is the weather in Split in December 2023:
1 December
☁️
+67°F
2 December
☀️
+67°F
3 December
☀️
+55°F
4 December
☀️
+51°F
5 December
🌧️
+53°F
6 December
☀️
+54°F
7 December
☀️
+54°F
8 December
☀️
+52°F
9 December
☀️
+52°F
10 December
🌧️
+52°F
11 December
☀️
+56°F
12 December
🌧️
+58°F
13 December
🌧️
+64°F
14 December
☀️
+58°F
15 December
☀️
+57°F
16 December
☀️
+50°F
17 December
☀️
+54°F
18 December
☀️
+59°F
19 December
☀️
+60°F
20 December
☀️
+58°F
21 December
☀️
+58°F
22 December
🌧️
+59°F
23 December
☀️
+60°F
24 December
☀️
+61°F
25 December
☁️
+61°F
26 December
🌧️
+58°F
27 December
☀️
+58°F
28 December
☀️
+58°F
29 December
☁️
+57°F
30 December
🌧️
+56°F
31 December
🌧️
+57°F
In December 2023 Split had 20 sunny days, 3 cloudy days, and 8 rainy days. The average maximum temperature was +57°F, with an absolute maximum of +66°F and a minimum of +50°F. The average humidity was 78%, with a maximum of 98% and a minimum of 50%. The average wind speed was 3 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Split climate has changed over the last 43 years.

The climate in Split in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+63°F) and the highest in 2022 (+71°F). The driest year was 1989 with only 684 mm of rainfall, and the wettest year was 2010 with 1421 mm.

FAQ

Frequently asked questions about the weather in Split in December:

Is December a good time to visit Split?

December is a really good time to go to Split. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Split.

Can you sunbathe in Split in December?

December has mild temperatures in Split. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Split in December?

Swimming in Split in December is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Split rainy in December?

Split is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Split in December?

The amount of sunny days in Split during December varies; prepare for a mix of clouds and sun.

Other cities in Croatia

Check out the weather for other cities in Croatia.

Monthly weather in Split

Source of the data

For this page, we’ve looked at the typical weather in Split, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.