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Weather in Opatija for January 2026

Your guide to Opatija weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, January 2026 in Opatija is slightly cooler than the historical average by -1.6 °C.

  • The forecast for the next days in Opatija predicts temperatures to be around 9 °C, close to the historical average.

  • In general, the average temperature in Opatija at the beginning of January is 6.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 9.1 °C by the end of January.

    • Rain 🌧️

  • Opatija experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 349.1 mm.

    • More

  • Is January a good time to visit Opatija? check out the best time to travel to Opatija page.

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

Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
8°/2°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Opatija Weather January

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

Temperatures trend during January in Opatija

See the weather trend as well as the moving average line

January weather in Opatija day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Partly cloudy
Partly cloudy
 7° /-1° 3.8 mm 0 cm
2 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /2° 11.8 mm 0 cm
3 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /0° 14 mm 0 cm
4 Jan. Overcast
Overcast
 5° /-2° 0.6 mm 0 cm
5 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 4° /-2° 11.1 mm 0.3 cm
6 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /1° 27.3 mm 5.6 cm
7 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /1° 8.7 mm 0.3 cm
8 Jan. Moderate rain at times
Moderate rain at times
 6° /-3° 4.8 mm 0 cm
9 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /1° 28.3 mm 0.4 cm
10 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /0° 7.1 mm 0 cm
11 Jan. Sunny
Sunny
 3° /-4° 0 mm 0 cm
12 Jan. Overcast
Overcast
 4° /-3° 0 mm 0 cm
13 Jan. Light freezing rain
Light freezing rain
 4° /-1° 2.1 mm 0 cm
14 Jan. Sunny
Sunny
 6° /0° 1 mm 0 cm
15 Jan. Patchy rain possible
Patchy rain possible
 7° /0° 1.7 mm 0 cm
16 Jan. Light freezing rain
Light freezing rain
 7° /2° 2.5 mm 0 cm
17 Jan. Sunny
Sunny
 6° /0° 0 mm 0 cm
18 Jan. Sunny
Sunny
 7° /-1° 0 mm 0 cm
19 Jan. Partly cloudy
Partly cloudy
 6° /-1° 0 mm 0 cm
20 Jan. Overcast
Overcast
 7° /0° 0 mm 0 cm
21 Jan. Overcast
Overcast
 6° /0° 0 mm 0 cm
22 Jan. Patchy rain possible
Patchy rain possible
 7° /1° 4 mm 0 cm
23 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /3° 36.4 mm 0 cm
24 Jan. Patchy rain possible
Patchy rain possible
 10° /5° 18.2 mm 0 cm
25 Jan. Moderate rain at times
Moderate rain at times
 9° /5° 8.5 mm 0 cm
26 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /4° 8.3 mm 0 cm
27 Jan. Heavy rain at times
Heavy rain at times
 10° /3° 3.4 mm 0 cm
28 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 38.8 mm 0 cm
29 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /4° 8.5 mm 0 cm
30 Jan. Partly cloudy
Partly cloudy
 8° /4° 0.1 mm 0 cm
31 Jan. Partly cloudy
Partly cloudy
 8° /2° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Opatija in January 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 Opatija forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Opatija weather in January vs December vs February

Compare January weather in Opatija with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
DecemberJanuaryFebruary
WeatherSunny
Sunny
Moderate or heavy rain shower
Moderate or heavy rain shower
Moderate or heavy rain shower
Moderate or heavy rain shower
Temperatures8°/1°8°/2°8°/1°
Rainfall91 mm349 mm166 mm
Wind18.2 km/h19.5 km/h14.9 km/h
Humidity73%81%77%
Rainy days8 days21 days11 days
Dry days23 days10 days17 days

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

Opatija in January - FAQ

What are the expected maximum and minimum temperatures in Opatija during January?

Prepare for cooler days with highs just around 8° and colder nights, dipping below 2°.

How much rainfall should be expected in Opatija during January?

Significant rainfall exceeding 349.1 mm is expected in Opatija during January, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Opatija in January 2026?

Opatija typically sees 0 cm of snowfall during January.

What are the typical wind conditions in Opatija during January?

The average wind speed in Opatija during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Opatija in January?

As you prepare for your trip to Opatija in January, 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 Opatija, during January, 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

Opatija snow forecast January 2026

Track daily snowfall levels and discover Opatija’s snowy potential this January ❄️

January rainfall patterns in Opatija

Explore the daily rainfall trends and prepare for Opatijas January weather 💧
Typically, Opatija has 21 rainy days in January with a total of 349.1 mm of rainfall.

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Location coordinates Where is Opatija?

Get accurate weather forecasts for Opatija, located at latitude 45.337 and longitude 14.308. Stay updated with localized weather information tailored for Opatija.

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