Temperatures in June
It's warm in June in Koper with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 15°C and 20°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Koper in June. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of June
The month of June starts in Koper with hot temperatures, averaging around 27°C during the day and nights close to 17°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-June
By mid-June, the average daytime temperature rises to around 28°C, with nights close to 18°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of June
By the end of June, the average daytime temperature in Koper will be around 29°C, with nights close to 19°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in June
In June, there is an average of 68 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the East.
The average precipitation chance is 28% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in June for Koper. 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.
Koper in June |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 22°C | |
 High Temp |
30°C | 24°C | |
| Low Temp |
25°C | 18°C | |
 Total Precipitation |
68 mm | 57 mm | |
| Rainy Days |
9 days | 10 days | |
May
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is June a good time to visit Koper?
Want nice weather? Then June is a great time to be in Koper. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Koper in June
With 36°C, Koper hit the highest temperature in the last 10 years in June 2019. The lowest daytime temperature in this month was 19°C in 2022. The extreme night temperatures ranged from a low of 10°C to a high of 24°C.
Check out the climate of Koper 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 Ljubljana, Bled, Bohinj, or have a look at other destinations in Slovenia.
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Daily Temperature in June in Koper
This chart shows the average daily temperatures, both day and night, for each day in June in Koper, 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 June in Koper
The chart below shows the average daily precipitation in June for Koper, 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 June, you can expect around 9 days of rain in Koper.
Daily UV Index in June in Koper
This chart shows the average daily UV index in June in Koper, 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 June in Koper Over the Years
This chart shows the average temperature in June in Koper, measured in degrees Celsius, over the past years.
Total Precipitation in June in Koper Over the Years
This chart shows the average precipitation in June in Koper, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in June for Koper
Click on a specific day in June for detailed info on the typical weather on that day in Koper. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in June in Koper
Have you been to Koper in June?
Share your weather experience in June in Koper.
Average Weather in Koper by Month
Click on a month below to see detailed weather info for Koper. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
