Climate averages 1991–2020
Ljubljana weather
in July.
A warm, wet month: the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Ljubljana: daytime highs average 25.3°C and nights cool to about 15.8°C. By daytime temperature it is the warmest month of the year.
Expect about 95 mm of rain on roughly 11 days, which makes July a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 22 min on an average July day.
The nearest other city in this atlas is Klagenfurt am Wörthersee (66 km away). In July its highs average 24.5°C, 0.9°C cooler than Ljubljana, with 140 mm of rain.
Among the 2 cities listed in Slovenia, Ljubljana ranks 2nd of 2 for the warmest July highs and 1st of 2 for the driest July (rainfall, lowest first). The mean July high of those 2 cities is 25.6°C; Ljubljana is 0.3°C cooler than that mean.
From July to August, average highs fall by 0.2°C to 25.2°C, and monthly rainfall rises from 95 mm to 112 mm.
The annual picture
July 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 | 23.2°C13.6°C | 13.6°C | 105 | 13.4 | 15.716 h |
| July, selected | 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
July in nearby cities
- Klagenfurt am Wörthersee in JulyAustria · 66 kmHigh 24.5°C · Low 15.1°C · 140 mm rain
- Trieste in JulyItaly · 72 kmHigh 27.4°C · Low 18.7°C · 87 mm rain
- Rijeka in JulyCroatia · 81 kmHigh 27.6°C · Low 18.9°C · 77 mm rain
- Udine in JulyItaly · 98 kmHigh 26.2°C · Low 16.2°C · 78 mm rain
- Maribor in JulySlovenia · 104 kmHigh 25.8°C · Low 16.1°C · 104 mm rain
- Zagreb in JulyCroatia · 117 kmHigh 27.5°C · Low 17.2°C · 77 mm rain
- Graz in JulyAustria · 134 kmHigh 24.4°C · Low 13.8°C · 84 mm rain
- Bihać in JulyBosnia and Herzegovina · 174 kmHigh 27.1°C · Low 16.4°C · 76 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.