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Split in August: Weather, Average temperature and Climate

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

Weather in Split in August 2025

Great Weather
Warm
☀️
Sunny
🌊
Comfortable water
August is an ideal time to visit Split if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +86°F and about 21 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 36 mm of precipitation over an average of 4 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flights in one click on Avionero.
Good to know:
  • August is usually the hottest month of the year in Split;

Average weather

☀️
+86°F
Avg. max. temperature
+57°F
Min.
+102°F
Max.
36 mm
Total precipitation
52%
Avg. humidity
2 m/s
Avg. wind
21 ☀️
Sunny Days
1 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Split has great weather in August.
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Average temperature in Split in August

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

Going from a maximum of +97°F during the day to a minimum of +64°F during the night, the temperature in August averages around +86°F.

The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +86°F to +75°F.

Is Split warm or cold in August?

Split is typically warm in August.

Maximum temperatures go up compared to the previous month from +86°F to +86°F. The minimum temperature also goes up from +70°F to +70°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is the hottest month in Split, here is the comparison with other months:

Water temperature in Split in August

Water in Split in August is Comfortable. It varies from +72°F to +81°F, with an average of +77°F. The air temperature averaging +86°F is higher than the water temperature.

The water temperature in August is one of the warmest of the entire 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 August?

The water in Split in August is pretty comfortable (+77°F in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
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
Don’t forget a large beach towel or two for drying off.

Climate in Split in August

Split weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+86°F+86°F+77°F
Min. temperature
+55°F+57°F+46°F
Max. temperature
+102°F+102°F+93°F
Rainfall
18 mm36 mm76 mm
Wind
2 m/s2 m/s2 m/s
Avg. water temperature
+76°F+77°F+75°F
Humidity
50%52%59%
Air pressure
1012 HPa1012 HPa1014 HPa
Sunny days
222117
Cloudy days
113
Rainy days
445
Snowy days
000

August weather is still as great as in July. The temperature levels stay the same in the area of +86°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 18 mm to 36 mm. Humidity rises from 50% to 52%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 22 sunny days in July to 21 in August.

Next month (September) brings a further decline in the weather.

Wind

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

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

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

Rain

Amount of rainfall in mm during August in Split based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in August, with total rainfall of approximately 116 mm. The maximum amount of rainfall per day is around 57 mm, which is considered heavy rain. August is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how August is compared with other months in the amount of precipitation, 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 August in Split?

This is the weather in Split in August 2023:
1 August
☀️
+86°F
2 August
☀️
+86°F
3 August
☀️
+89°F
4 August
☀️
+86°F
5 August
🌧️
+77°F
6 August
☀️
+78°F
7 August
☀️
+80°F
8 August
☀️
+79°F
9 August
☀️
+83°F
10 August
☀️
+83°F
11 August
☀️
+85°F
12 August
☀️
+82°F
13 August
☀️
+84°F
14 August
☀️
+85°F
15 August
☀️
+85°F
16 August
☀️
+84°F
17 August
☀️
+86°F
18 August
☀️
+88°F
19 August
☀️
+88°F
20 August
☀️
+93°F
21 August
☀️
+91°F
22 August
☀️
+92°F
23 August
☀️
+96°F
24 August
☀️
+93°F
25 August
☀️
+90°F
26 August
☀️
+89°F
27 August
☀️
+94°F
28 August
☀️
+86°F
29 August
🌧️
+75°F
30 August
🌧️
+74°F
31 August
🌧️
+75°F
In August 2023 Split had 27 sunny days, 0 cloudy days, and 4 rainy days. The average maximum temperature was +86°F, with an absolute maximum of +97°F and a minimum of +73°F. The average humidity was 73%, with a maximum of 94% and a minimum of 46%. The average wind speed was 3 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

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

The climate in Split in August 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 August:

Is August a good time to visit Split?

Yes, August is a great time to go to Split, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Split.

Can you sunbathe in Split in August?

August is warm in Split. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Can you swim in Split in August?

Yes, the water temperature in Split in August is considered moderate and enjoyable for most people, averaging around +77°F.

Is Split rainy in August?

Split is usually dry in August. Plan your packing around outdoor activities and exploring.

Is it sunny in Split in August?

Yes, Split is sunny in August. Prepare for lots of rays. Don’t forget to pack your sunglasses and sunscreen, and maybe pick up a wide-brimmed hat when you arrive.

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.