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The climate of Slovenia
The current climate in Slovenia features temperatures ranging from a high of 29°C to a low of 5°C throughout the year. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -2°C and in the warmer months around 16°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Slovenia.
Temperature records
The highest temperature recorded in Slovenia in recent years was 38°C in July 2022. The lowest daytime temperature recorded was -7°C in February 2018.
Precipitation and snowfall
On average, Slovenia gets 1285 mm of precipitation each year. Of this, about 61 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
The climate in Slovenia is based on weather data from Ljubljana. Other places, like Bled, Bohinj or Piran, might have different weather. You can check out all destinations in Slovenia to get the full picture of the climate.
Best time to visit Slovenia?
The best time to visit Slovenia for sunny weather is May through August and October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Slovenia. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Slovenia
The climate table of Slovenia shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 5 | 9 | 12 | 17 | 21 | 26 | 29 | 26 | 22 | 18 | 10 | 6 |
| Temp. min (°C) | -1 | 0 | 2 | 6 | 10 | 15 | 17 | 16 | 12 | 9 | 4 | 0 |
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| Precipitation (mm) | 111 | 109 | 99 | 87 | 119 | 98 | 110 | 93 | 156 | 106 | 96 | 101 |
| Snow (cm) | 15 | 19 | 4,4 | 3,8 | 0 | 0 | 0 | 0 | 0 | 0 | 4,5 | 14 |
| UV Index | 2 | 3 | 5 | 7 | 7 | 8 | 8 | 6 | 6 | 4 | 2 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Popular destinations in Slovenia
Discover the climate of these popular destinations in Slovenia.
Temperature charts
These charts display the average temperatures in Slovenia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Slovenia
Yearly Temperature in Slovenia
Precipitation charts
These charts show the average amount of precipitation in Slovenia. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Slovenia
Total Yearly Precipitation in Slovenia
Average Snowfall per Month in Slovenia
Total Yearly Snowfall in Slovenia
UV index chart
This chart shows the average UV index per month in Slovenia. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Slovenia
Weather experiences in Slovenia
The weather in Slovenia is rated an average of 3,8 out of 5 stars by 4 visitors. Have you been to Slovenia? Share your weather experience to help other visitors.
Anna
During the day it was quite cool, around 5 degrees, and at night the temperature dropped below freezing. Overall, it appeared to be quite stable, but you have to be prepared for sudden rainfall.
Ids KelderThe fall colors are spectacular, especially in the mountains. Be sure to bring a coat; the evenings can be cold.
RalfModerate temperatures during the day were ideal for hiking and swimming. In the evening it got cooler, which was pleasant. But sometimes you have to expect unexpected rain showers.
LarsThe April weather in Slovenia was a pleasant surprise. The days were pleasantly sunny with temperatures around 20 degrees, but evenings could be cool. There were a few rain showers, but it refreshed the air. Overall, very satisfied.
Have you been to Slovenia?
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Average weather in Slovenia by month
Click on a month below to see detailed weather info for Slovenia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.