Climate averages 1991–2020
Ljubljana weather
in June.
A warm, wet month: the 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Ljubljana: daytime highs average 23.2°C and nights cool to about 13.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 105 mm of rain on roughly 13 days, which makes June a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 41 min on an average June day.
The nearest other city in this atlas is Klagenfurt am Wörthersee (66 km away). In June its highs average 22.6°C, 0.6°C cooler than Ljubljana, with 136 mm of rain.
Among the 2 cities listed in Slovenia, Ljubljana ranks 2nd of 2 for the warmest June highs and 1st of 2 for the driest June (rainfall, lowest first). The mean June high of those 2 cities is 23.6°C; Ljubljana is 0.4°C cooler than that mean.
From June to July, average highs rise by 2.2°C to 25.3°C, and monthly rainfall falls from 105 mm to 95 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ljubljana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.7°C-2.7°C | -2.7°C | 59 | 8.0 | 9.19 h |
| February | 5.7°C-2.3°C | -2.3°C | 75 | 8.5 | 10.310 h |
| March | 10.3°C1.3°C | 1.3°C | 76 | 10.1 | 11.912 h |
| April | 15.1°C5.3°C | 5.3°C | 90 | 12.0 | 13.514 h |
| May | 19.3°C9.7°C | 9.7°C | 103 | 13.4 | 14.915 h |
| June, selected | 23.2°C13.6°C | 13.6°C | 105 | 13.4 | 15.716 h |
| July | 25.3°C15.8°C | 15.8°C | 95 | 11.3 | 15.415 h |
| August | 25.2°C15.9°C | 15.9°C | 112 | 11.1 | 14.214 h |
| September | 19.8°C11.5°C | 11.5°C | 125 | 11.1 | 12.613 h |
| October | 14.6°C7.3°C | 7.3°C | 117 | 10.2 | 11.011 h |
| November | 9.1°C3.1°C | 3.1°C | 121 | 11.2 | 9.510 h |
| December | 4.3°C-1.9°C | -1.9°C | 90 | 9.2 | 8.79 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Klagenfurt am Wörthersee in JuneAustria · 66 kmHigh 22.6°C · Low 13.1°C · 136 mm rain
- Trieste in JuneItaly · 72 kmHigh 24.8°C · Low 16.4°C · 111 mm rain
- Rijeka in JuneCroatia · 81 kmHigh 24.9°C · Low 16.7°C · 94 mm rain
- Udine in JuneItaly · 98 kmHigh 23.8°C · Low 14.0°C · 97 mm rain
- Maribor in JuneSlovenia · 104 kmHigh 24.0°C · Low 14.3°C · 107 mm rain
- Zagreb in JuneCroatia · 117 kmHigh 25.2°C · Low 15.0°C · 84 mm rain
- Graz in JuneAustria · 134 kmHigh 22.6°C · Low 11.9°C · 90 mm rain
- Bihać in JuneBosnia and Herzegovina · 174 kmHigh 24.5°C · Low 14.3°C · 97 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ljubljana) is explained once on the Ljubljana year overview and on the Sources, method and limits page.