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Ljubljana in August: Weather, Average temperature and Climate

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

Weather in Ljubljana in August 2025

Good Weather
Warm
🌧️
Rainy
Planning a trip to Ljubljana in August? You are in luck! The weather is generally good, with an average maximum temperature of +79°F and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 10 rainy days and 118 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+79°F
Avg. max. temperature
+43°F
Min.
+102°F
Max.
118 mm
Total precipitation
74%
Avg. humidity
1 m/s
Avg. wind
8 ☀️
Sunny Days
6 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Ljubljana has good weather in August.
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Average temperature in Ljubljana in August

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

Going from a maximum of +95°F during the day to a minimum of +50°F during the night, the temperature in August averages around +82°F.

The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +81°F to +75°F.

Is Ljubljana warm or cold in August?

Ljubljana is typically warm in August.

Maximum temperatures go down compared to the previous month from +81°F to +79°F. The minimum temperature also goes up from +61°F to +61°F.

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

August is one of the warmest months in Ljubljana, here is the comparison with other months:

Climate in Ljubljana in August

Ljubljana weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+81°F+79°F+72°F
Min. temperature
+46°F+43°F+36°F
Max. temperature
+100°F+102°F+90°F
Rainfall
103 mm118 mm125 mm
Wind
1 m/s1 m/s0 m/s
Humidity
71%74%80%
Air pressure
1015 HPa1015 HPa1017 HPa
Sunny days
786
Cloudy days
6610
Rainy days
101011
Snowy days
000

August weather is still as good as in July. It’s getting colder in August. From +81°F in the day, the average maximum temperature lowers to +79°F. Prepare for more rain. Average rainfall goes from 103 mm to 118 mm. Humidity rises from 71% to 74%. The average wind speed doesn’t change much during August, staying around 1 m/s. The good news is there are likely to be more sunny days in August, from 7 to 8.

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

Wind

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

The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Ljubljana is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Ljubljana based on historical data.
Last Year
Historical Data
Typically, there is a 48% chance of rain on an average day in August, with total rainfall of approximately 270 mm. The maximum amount of rainfall per day is around 69 mm, which is considered heavy rain. August is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Ljubljana, here is a comparison with other months, total mm:
Ljubljana wettest month is September, where a typical day has a 37% chance of precipitation and 125 mm of rainfall per day. January, on the other hand, is the driest month with a mere 16% chance of precipitation and 44 mm of rainfall per day.

How was the weather last August in Ljubljana?

This is the weather in Ljubljana in August 2023:
1 August
☁️
+80°F
2 August
☁️
+81°F
3 August
🌧️
+84°F
4 August
🌧️
+65°F
5 August
🌧️
+62°F
6 August
🌧️
+67°F
7 August
☀️
+75°F
8 August
☁️
+76°F
9 August
☁️
+75°F
10 August
☁️
+77°F
11 August
☀️
+82°F
12 August
☀️
+84°F
13 August
☀️
+87°F
14 August
☀️
+86°F
15 August
☀️
+87°F
16 August
☀️
+87°F
17 August
☀️
+86°F
18 August
☁️
+86°F
19 August
☀️
+88°F
20 August
☀️
+89°F
21 August
☀️
+92°F
22 August
☀️
+93°F
23 August
☀️
+93°F
24 August
☀️
+92°F
25 August
☀️
+95°F
26 August
☀️
+95°F
27 August
☀️
+93°F
28 August
☁️
+77°F
29 August
🌧️
+69°F
30 August
🌧️
+61°F
31 August
☁️
+74°F
In August 2023 Ljubljana had 17 sunny days, 8 cloudy days, and 6 rainy days. The average maximum temperature was +82°F, with an absolute maximum of +95°F and a minimum of +61°F. The average humidity was 81%, with a maximum of 100% and a minimum of 41%. The average wind speed was 1 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

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

The climate in Ljubljana in August has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+56°F) and the highest in 2022 (+64°F). The driest year was 2011 with only 724 mm of rainfall, and the wettest year was 2023 with 1873 mm.

FAQ

Frequently asked questions about the weather in Ljubljana in August:

Is August a good time to visit Ljubljana?

August is a really good time to go to Ljubljana. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Ljubljana.

Can you sunbathe in Ljubljana in August?

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

Is Ljubljana rainy in August?

Ljubljana is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Ljubljana in August?

Usually, it’s not very sunny in Ljubljana in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Ljubljana

Source of the data

For this page, we’ve looked at the typical weather in Ljubljana, 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.