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Weather in Grad Split for December 2025

Your guide to Grad Split weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • So far, December 2025 in Grad Split is slightly warmer than the historical average by 0.9 °C.

  • The forecast for the next days in Grad Split predicts temperatures to be around 13 °C, close to the historical average.

  • In general, the average temperature in Grad Split at the beginning of December is 12.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 13 °C by the end of December.

    • Rain 🌧️

  • Grad Split experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 165.2 mm.

    • More

  • Is December a good time to visit Grad Split? check out the best time to travel to Grad Split page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
12°/8°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Grad Split Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
14°
2
Light rain shower
14°
3
Light rain shower
13°
4
Overcast
12°
5
Light rain shower
13°
6
Patchy rain possible
12°
7
Sunny
11°
8
Overcast
12°
9
Moderate or heavy rain shower
13°
10
Moderate or heavy rain shower
12°
11
Moderate rain at times
12°
12
Overcast
11°
13
Partly cloudy
12°
14
Sunny
12°
15
Sunny
13°
16
Weather Alert Partly cloudy
12°
17
Moderate rain
12°
18
Patchy rain possible
15°
19
Sunny
14°
20
Sunny
14°
21
Sunny
13°
22
Patchy rain possible
11°
23
Patchy rain possible
12°
24
Partly cloudy
14°
25
Sunny
14°
26
Sunny
13°
27
Partly cloudy
12°
28
Partly cloudy
13°
29
Patchy rain possible
13°
30
Moderate or heavy rain shower
13°
31
Sunny
13°

Temperatures trend during December in Grad Split

See the weather trend as well as the moving average line

December weather in Grad Split day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Overcast
Overcast
 14° /8° 0.5 mm 3
2 Dec. Light rain shower
Light rain shower
 14° /10° 11.6 mm 4
3 Dec. Light rain shower
Light rain shower
 13° /8° 10.7 mm 3
4 Dec. Overcast
Overcast
 12° /7° 9.1 mm 3
5 Dec. Light rain shower
Light rain shower
 13° /9° 8.8 mm 3
6 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 6.4 mm 3
7 Dec. Sunny
Sunny
 11° /6° 1.2 mm 4
8 Dec. Overcast
Overcast
 12° /7° 7.2 mm 3
9 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /9° 16.4 mm 3
10 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /8° 16 mm 3
11 Dec. Moderate rain at times
Moderate rain at times
 12° /7° 5.4 mm 3
12 Dec. Overcast
Overcast
 11° /7° 0.8 mm 3
13 Dec. Partly cloudy
Partly cloudy
 12° /7° 1.7 mm 4
14 Dec. Sunny
Sunny
 12° /7° 6.6 mm 3
15 Dec. Sunny
Sunny
 13° /6° 1.1 mm 4
16 Dec. Partly cloudy
Partly cloudy
 12° /8° 0 mm 0.2
17 Dec. Moderate rain
Moderate rain
 12° /9° 8.1 mm 0
18 Dec. Patchy rain possible
Patchy rain possible
 15° /10° 0.7 mm 0.2
19 Dec. Sunny
Sunny
 14° /9° 0 mm 0.3
20 Dec. Sunny
Sunny
 14° /8° 0 mm 4
21 Dec. Sunny
Sunny
 13° /7° 0 mm 3
22 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 0.2 mm 3
23 Dec. Patchy rain possible
Patchy rain possible
 12° /10° 0.6 mm 3
24 Dec. Partly cloudy
Partly cloudy
 14° /11° 0 mm 4
25 Dec. Sunny
Sunny
 14° /8° 0 mm 4
26 Dec. Sunny
Sunny
 13° /6° 0 mm 3
27 Dec. Partly cloudy
Partly cloudy
 12° /6° 0 mm 3
28 Dec. Partly cloudy
Partly cloudy
 13° /6° 0 mm 3
29 Dec. Patchy rain possible
Patchy rain possible
 13° /9° 4.8 mm 3
30 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /9° 7.2 mm 3
31 Dec. Sunny
Sunny
 13° /9° 1.8 mm 4
Next
Important Notice
Our weather forecast for Grad Split in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grad Split forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Grad Split weather in December vs November vs January

Compare December weather in Grad Split with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures16°/11°12°/8°11°/6°
Rainfall208 mm165 mm124 mm
Wind23.1 km/h20.9 km/h22.8 km/h
Humidity67%70%67%
Rainy days28 days26 days24 days
Dry days2 days5 days7 days

Planning a trip to Grad Split? Discover the best time to visit

Grad Split in December - FAQ

What are the expected maximum and minimum temperatures in Grad Split during December?
During December, expect a variety of temperatures with highs around 12° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grad Split during December?
Significant rainfall exceeding 165.2 mm is expected in Grad Split during December, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grad Split during December?
The average wind speed in Grad Split during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Grad Split water temperatures in December

The average water temperature of the Adriatic Sea near Grad Split in December is 17.2 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Grad Split in December?
The average water temperature in Grad Split in December is 17.2 °C.
Can you swim in Grad Split in December?
Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.

What to pack to Grad Split in December?

As you prepare for your trip to Grad Split in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Grad Split, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

December rainfall patterns in Grad Split

Explore the daily rainfall trends and prepare for Grad Splits December weather 💧
Typically, Grad Split has 26 rainy days in December with a total of 165.2 mm of rainfall.
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Location coordinates Where is Grad Split?

Get accurate weather forecasts for Grad Split, located at latitude 43.509 and longitude 16.439. Stay updated with localized weather information tailored for Grad Split.

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