Temperatures in May
It's pleasantly warm in May in Ljubljana with an average temperature of 21°C. Temperatures this month range from a low of 17°C to a high of 24°C. At night, you can expect temperatures between 8°C and 13°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Ljubljana in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Ljubljana with mild temperatures, averaging around 21°C during the day and nights close to 9°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature stays the same at 21°C, with nights close to 11°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of May
By the end of May, the average daytime temperature in Ljubljana will be around 23°C, with nights close to 12°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Discover cheap trips to Ljubljana 
Precipitation in May
In May, there is an average of 119 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 39% per day this month. The weather’s variable. There are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Ljubljana. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Ljubljana in May |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 18°C | |
 High Temp |
24°C | 21°C | |
| Low Temp |
17°C | 15°C | |
 Total Precipitation |
119 mm | 46 mm | |
| Rainy Days |
12 days | 8 days | |
April
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Ljubljana?
After some sun? Then May isn’t the best time to be in Ljubljana. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Ljubljana in May
With 30°C, Ljubljana hit the highest temperature in the last 10 years in May 2022. The lowest daytime temperature in this month was 7°C in 2021. The extreme night temperatures ranged from a low of -2°C to a high of 18°C.
Check out the climate of Ljubljana for all months and discover the best travel time
Curious about the climate in other parts of Slovenia? Check out the weather and climate in places like Bled, Bohinj, Piran, or have a look at other destinations in Slovenia.
Plan your next holiday
Don’t miss the best holiday deals for Ljubljana and see what our partners have for you.
Daily Temperature in May in Ljubljana
This chart shows the average daily temperatures, both day and night, for each day in May in Ljubljana, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Ljubljana
The chart below shows the average daily precipitation in May for Ljubljana, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 12 days of rain in Ljubljana.
Daily UV Index in May in Ljubljana
This chart shows the average daily UV index in May in Ljubljana, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Ljubljana Over the Years
This chart shows the average temperature in May in Ljubljana, measured in degrees Celsius, over the past years.
Total Precipitation in May in Ljubljana Over the Years
This chart shows the average precipitation in May in Ljubljana, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Ljubljana
Click on a specific day in May for detailed info on the typical weather on that day in Ljubljana. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Ljubljana
Have you been to Ljubljana in May?
Share your weather experience in May in Ljubljana.
Average Weather in Ljubljana by Month
Click on a month below to see detailed weather info for Ljubljana. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Ljubljana for all months at once
