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Europe

Slovenia climate 2025

Europe

Slovenia climate 2025

Overview: Slovenia
Slovenia is a region with a mild climate. The day temperatures range from 7 °C (44 °F) in January to 28 °C (82 °F) in July. Temperatures during the night go from 2 °C (36 °F) in January to 20 °C (68 °F) in July. Sea temperatures are in the following range: 10 °C (49 °F) in February to 25 °C (76 °F) in August. The least rainy month in Slovenia is January with its 7 days of rain, the rainiest month is June, when it rains 10 days.

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Location near Bovec
Architecture in Ljubljana at dawn
Aerial view of beach in Piran at sunset time

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Climate overview and FAQs

Climate overview

Slovenia is a region with a mild climate. The day temperatures range from 7 °C (44 °F) in January to 28 °C (82 °F) in July. Temperatures during the night go from 2 °C (36 °F) in January to 20 °C (68 °F) in July. Sea temperatures are in the following range: 10 °C (49 °F) in February to 25 °C (76 °F) in August. The least rainy month in Slovenia is January with its 7 days of rain, the rainiest month is June, when it rains 10 days.

When is the best time to go to Slovenia?

The best time to visit Slovenia is between July and August. During this period, temperatures are between 27 °C (81 °F) - 28 °C (82 °F), night temperatures are between 20 °C (67 °F) - 20 °C (68 °F), rainfall averages 8 days per month, and 9 hours of sunlight on average. The sea temperature at this time of the year is around 24 °C (76 °F) - 25 °C (76 °F). For non-beach activities, such as sightseeing, hiking in nature, the best time to visit is July - August. Slovenia is also a winter sports resort, so there is a season for these activities also in winter.

When is the hottest sea in Slovenia?

The highest sea temperatures in Slovenia could be expected between July - August. During these months the sea temperature reaches 24 °C (76 °F) - 25 °C (76 °F).

Which months have the highest daily temperature in Slovenia?

The hottest month in Slovenia is July with a temperature of 28 °C (82 °F). The period with the highest daytime temperatures is in Slovenia during June - August. The temperatures range at this time between 25 °C (77 °F) - 28 °C (82 °F).

What time of year are the highest night temperatures in Slovenia?

The highest night temperatures in Slovenia occur in the months of June - August. During this time the night temperatures are between 18 °C (64 °F) - 20 °C (68 °F).

What is the humidity in Slovenia?

Slovenia belongs to destinations with lower humidity. It is in the range of 66 % - 72 %.

What is the least cloudy season in Slovenia?

The least cloudy months in Slovenia are July - September, when the cloud cover is on average only 40 %.

Which month is the sunniest in Slovenia?

The period, which is the sunniest in Slovenia, is in the months of June - August, when there is an average of 9 sun hours per day.

Is it freezing a lot in Slovenia?

Yes, it can freeze at night in Slovenia during these months: December - February, but the frosts can also be very rare or may not happen at all.

Is it windy in Slovenia?

Slovenia is a destination with rather light or moderate winds.

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