Ljubljana weather in June
In June, Ljubljana has daytime highs averaging 23 °C, nights around 13 °C, with 13 wet days. Figures are 1991–2020 climate normals.
- 23.2°C Average high
- 13.4°C Average low
- 13days Wet days
- 104mm Rainfall
- 16h Daylight
Daily temperatures through June
How June develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 June | 22.1 °C | 12.2 °C | 47 % |
| 11–20 June | 23.3 °C | 13.5 °C | 42 % |
| 21–30 June | 24.2 °C | 14.4 °C | 39 % |
- Average highs rise from 22.1 °C early in June to 24.2 °C by the end of it.
- Rain is most likely over days 1–10 of June (47 % of days) and least likely over days 21–30 (39 %).
What to expect
| Measure | Typical June | Share of the month |
|---|---|---|
| Days above 25 °C | 9.8 of 30 | 33 % |
| Days above 30 °C | 0.9 of 30 | 3 % |
| Days below 0 °C | 0 of 30 | 0 % |
| Days with more than 1 mm rain | 13 of 30 | 42 % |
Conditions in June
| Measure | Average |
|---|---|
| Mean temperature | 19 °C |
| Record high (1991–2020) | 35 °C |
| Record low (1991–2020) | 4.8 °C |
| Relative humidity | 76 % |
| Wind speed | 11 km/h |
| Cloud cover | 56 % |
June compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| April | 15.2 °C | 89 mm | 61 % |
| May | 19.3 °C | 101 mm | 60 % |
| June | 23.2 °C | 104 mm | 56 % |
| July | 25.4 °C | 96 mm | 49 % |
| August | 25.3 °C | 112 mm | 50 % |
See all twelve months for Ljubljana
- June is the 3rd warmest month here.
- It is the 8th driest month of the year.
- It ranks 3rd for least cloud cover.
- Days last about 16 hours from sunrise to sunset.
- It rains on 13 of 30 days — 42 % of the month.
- Nights are about 9.8 °C cooler than the middle of the day.
- The hottest June day on record since 1991 reached 35 °C, 12 °C above the usual daytime high.
QuestionsJune in Ljubljana, answered
How warm is Ljubljana in June?
Daily highs average 23 °C and nights fall to about 13 °C, a spread of 9.8 °C between afternoon and dawn. That makes June the 3rd warmest month of the year here.
Does it rain much in Ljubljana in June?
June averages 104 mm of rain, spread over about 13 of the 30 days — 42 % of the month. Cloud cover averages 56 % of the sky.
How long are the days in June?
Ljubljana averages 16 hours between sunrise and sunset in June. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.