Slovenia weather

Our guide to the weather in Slovenia during August

26

Average high

5

UV Index

119mm

Monthly rainfall

74%

Humidity

We've looked at the most up-to-date weather data for Slovenia, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Slovenia weather in August.

How warm is it in Slovenia during August?

The temperature reaches around 26℃ during the daytime in August, falling away to 13℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Slovenia during August?

On average, there will be 5 rainy days during the month, amounting to 118.7mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, August will see just 3 days that produce a storm.

Is it windy in Slovenia during August?

No - there is very light air movement in August so conditions should be calm with light breezes at times.

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Slovenia Blog posts

From the Ireland's most popular travel bloggers

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The best of Slovenia in 3 days

7th April 2022 by Eat Sleep Breathe Travel

I first became interested in visiting Slovenia when I stumbled upon a photo of Lake Bled. It was basically love for first sight and I knew this was somewhere I needed to see for myself. I did some research on the country and discovered that there was a whole lot more to see than just this fairytale lake so I planned for 3 days in Slovenia. I expected to be amazed by Lake Bled; what I didn’t expect was that Slovenia itself would become one of my favourite countries, and top recommendations to...

Weather in Slovenia

Our month-by-month guide to the weather and climate in Slovenia

2.4

Slovenia weather in

January
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February
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March
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April
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May
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June
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July
26.3

Slovenia weather in

August
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September
14.7

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October
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November
4.2

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December