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Weather in Opatija for August 2025

Your guide to Opatija weather in August - trends and predictions

    Official Weather Alert ⚠️

  • Moderate Thunderstorm Risk Warning - See hour by hour.

    • Temperatures

  • The forecast for the first days of August 2025 in Opatija predicts temperatures to be around 28 °C, close to the historical average.

  • In general, the average temperature in Opatija at the beginning of August is 25.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 30.6 °C by the end of August.

    • Rain 🌧️

  • Opatija experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 29.3 mm.

    • More

  • Is August 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
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/20°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Opatija Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Weather Alert Sunny
25°
2
Moderate rain
23°
3
Moderate rain
21°
4
Sunny
26°
5
Sunny
27°
6
Sunny
28°
7
Sunny
29°
8
Sunny
32°
9
Sunny
33°
10
Sunny
32°
11
Sunny
32°
12
Sunny
30°
13
Sunny
30°
14
Patchy rain possible
31°
15
Sunny
32°
16
Sunny
33°
17
Sunny
30°
18
Moderate or heavy rain shower
28°
19
Moderate or heavy rain shower
24°
20
Patchy rain possible
27°
21
Patchy rain possible
28°
22
Sunny
28°
23
Sunny
29°
24
Sunny
30°
25
Sunny
30°
26
Sunny
30°
27
Sunny
30°
28
Moderate or heavy rain shower
31°
29
Partly cloudy
31°
30
Partly cloudy
31°
31
Sunny
31°

Temperatures trend during August in Opatija

See the weather trend as well as the moving average line

August weather in Opatija day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Sunny
Sunny
 25° /15° 0.1 mm 2.2
2 Aug. Moderate rain
Moderate rain
 23° /15° 16.4 mm 1.4
3 Aug. Moderate rain
Moderate rain
 21° /13° 8.7 mm 1.4
4 Aug. Sunny
Sunny
 26° /12° 0 mm 5
5 Aug. Sunny
Sunny
 27° /16° 0 mm 6
6 Aug. Sunny
Sunny
 28° /18° 0 mm 6
7 Aug. Sunny
Sunny
 29° /17° 0 mm 6
8 Aug. Sunny
Sunny
 32° /18° 0 mm 6
9 Aug. Sunny
Sunny
 33° /20° 0 mm 7
10 Aug. Sunny
Sunny
 32° /20° 0 mm 7
11 Aug. Sunny
Sunny
 32° /21° 0 mm 7
12 Aug. Sunny
Sunny
 30° /21° 0 mm 7
13 Aug. Sunny
Sunny
 30° /22° 0 mm 7
14 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 0.3 mm 7
15 Aug. Sunny
Sunny
 32° /22° 0 mm 8
16 Aug. Sunny
Sunny
 33° /22° 0 mm 8
17 Aug. Sunny
Sunny
 30° /23° 0 mm 8
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /20° 2.8 mm 6
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /19° 19.1 mm 5
20 Aug. Patchy rain possible
Patchy rain possible
 27° /19° 2.7 mm 6
21 Aug. Patchy rain possible
Patchy rain possible
 28° /18° 0.2 mm 6
22 Aug. Sunny
Sunny
 28° /18° 0 mm 7
23 Aug. Sunny
Sunny
 29° /20° 0 mm 7
24 Aug. Sunny
Sunny
 30° /20° 0 mm 8
25 Aug. Sunny
Sunny
 30° /21° 0 mm 8
26 Aug. Sunny
Sunny
 30° /21° 0 mm 8
27 Aug. Sunny
Sunny
 30° /20° 0 mm 8
28 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /19° 1.9 mm 7
29 Aug. Partly cloudy
Partly cloudy
 31° /20° 0 mm 8
30 Aug. Partly cloudy
Partly cloudy
 31° /20° 0 mm 8
31 Aug. Sunny
Sunny
 31° /21° 0 mm 8
Next
Important Notice
Our weather forecast for Opatija in August 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.
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Opatija in August - FAQ

What are the expected maximum and minimum temperatures in Opatija during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Opatija during August?
In August, Opatija can expect light to moderate rainfall, totaling 29.3 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Opatija during August?
The average wind speed in Opatija during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Opatija in August?

As you prepare for your trip to Opatija in August, 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 August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

August rainfall patterns in Opatija

Explore the daily rainfall trends and prepare for Opatijas August weather 💧

UV exposure in Opatija during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

Quick links

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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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