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Weather in Istria for December 2025

Your guide to Istria weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

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

  • The forecast for the next days in Istria predicts temperatures to be around 12 °C, close to the historical average.

  • In general, the average temperature in Istria at the beginning of December is 11.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 10.7 °C by the end of December.

    • Rain 🌧️

  • Istria in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 71 mm.

    • More

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

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

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/7°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Istria Weather December

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

What’s the Weather Like in Istria This December?

Discover the average temperatures and weather trends across Istria’s cities this December.
Patchy rain possiblePula11 °C / 7 °CPatchy rain possibleRovinj11 °C / 5 °CPatchy rain possiblePoreč10 °C / 7 °CMore Locations

Temperatures trend during December in Istria

See the weather trend as well as the moving average line

December weather in Istria day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 14° /8° 0.1 mm 4
2 Dec. Light rain shower
Light rain shower
 13° /9° 3.6 mm 4
3 Dec. Light sleet
Light sleet
 10° /7° 3.4 mm 3
4 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.3 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 10.9 mm 3
6 Dec. Partly cloudy
Partly cloudy
 10° /6° 0.1 mm 3
7 Dec. Partly cloudy
Partly cloudy
 11° /7° 0 mm 4
8 Dec. Overcast
Overcast
 11° /6° 4.1 mm 3
9 Dec. Light drizzle
Light drizzle
 10° /7° 1.1 mm 3
10 Dec. Light rain shower
Light rain shower
 10° /7° 0.7 mm 3
11 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 0.2 mm 3
12 Dec. Sunny
Sunny
 11° /8° 0.6 mm 3
13 Dec. Light rain shower
Light rain shower
 13° /8° 3 mm 4
14 Dec. Light rain shower
Light rain shower
 11° /8° 2.5 mm 3
15 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.1 mm 4
16 Dec. Patchy rain possible
Patchy rain possible
 12° /10° 2.2 mm 0.1
17 Dec. Moderate rain
Moderate rain
 12° /12° 15.2 mm 0
18 Dec. Patchy rain possible
Patchy rain possible
 13° /11° 0.2 mm 0.1
19 Dec. Partly cloudy
Partly cloudy
 13° /11° 0 mm 0.1
20 Dec. Partly cloudy
Partly cloudy
 12° /10° 0 mm 0.2
21 Dec. Patchy rain possible
Patchy rain possible
 12° /10° 1 mm 3
22 Dec. Patchy rain possible
Patchy rain possible
 13° /12° 1.2 mm 3
23 Dec. Moderate rain
Moderate rain
 12° /11° 8.9 mm 3
24 Dec. Patchy rain possible
Patchy rain possible
 11° /10° 2 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 12° /10° 3.1 mm 3
26 Dec. Partly cloudy
Partly cloudy
 10° /8° 0 mm 3
27 Dec. Patchy rain possible
Patchy rain possible
 8° /7° 0.2 mm 2
28 Dec. Partly cloudy
Partly cloudy
 10° /8° 0 mm 3
29 Dec. Partly cloudy
Partly cloudy
 11° /8° 0 mm 3
30 Dec. Heavy rain at times
Heavy rain at times
 12° /9° 4.3 mm 3
31 Dec. Patchy rain possible
Patchy rain possible
 12° /9° 1.4 mm 3
Next
Important Notice
Our weather forecast for Istria 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 Istria forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Istria weather in December vs November vs January

Compare December weather in Istria 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
Temperatures14°/10°11°/7°10°/6°
Rainfall83 mm71 mm97 mm
Wind25.1 km/h22.1 km/h24.9 km/h
Humidity69%73%73%
Rainy days19 days16 days19 days
Dry days11 days15 days12 days

Planning a trip to Istria? Discover the best time to visit

Istria in December - FAQ

What are the expected maximum and minimum temperatures in Istria during December?
During December, expect a variety of temperatures with highs around 11° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Istria during December?
Moderate rainfall is anticipated in Istria during December, with a total of 71 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Istria during December?
The average wind speed in Istria during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Istria in December?

As you prepare for your trip to Istria 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 Istria, 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 Istria

Explore the daily rainfall trends and prepare for Istrias December weather 💧
Typically, Istria has 16 rainy days in December with a total of 71 mm of rainfall.
Provinces in Istria
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Grad PorečGrad PulaGrad Rovinj
Top locations in Istria
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PorečPulaRovinj
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Location coordinates Where is Istria?

Get accurate weather forecasts for Istria, located at latitude 44.868 and longitude 13.848. Stay updated with localized weather information tailored for Istria.

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