Ljubljana Climate by Month
Ljubljana, Slovenia
Warm summers and cold winters, with rain spread through the year.
Ljubljana has warm summers and cold winters, with rain spread through the year. July is the warmest month, with highs around 81°F (27°C); January is the coolest at 38°F (4°C), and nights dip to 27°F (-3°C). It gets 55 in (1404 mm) of rain a year, spread across the months.
- Warmest month
- 81°F(27°C)
- Average high, July
- Coldest nights
- 27°F(-3°C)
- Average low, January
- Rain per year
- 55 in(1404 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: June
Best and worst months in Ljubljana
Best for weatherThe most comfortable weather comes from May to July, with highs around 76°F (25°C) and about 4.8 in (121 mm) of rain a month.
Least pleasantDecember is the least pleasant month: it's the coldest, with highs of only 39°F (4°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Ljubljana weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 38°F(4°C) | 27°F(-3°C) | 2.6 in(66 mm) | 80% | 1.1 |
| FebFebruary | 44°F(7°C) | 28°F(-2°C) | 3.0 in(75 mm) | 70% | 1.9 |
| MarMarch | 53°F(12°C) | 34°F(1°C) | 3.2 in(82 mm) | 73% | 2.9 |
| AprApril | 62°F(17°C) | 41°F(5°C) | 3.5 in(90 mm) | 69% | 4.3 |
| MayMayBest | 71°F(21°C) | 49°F(9°C) | 4.7 in(119 mm) | 69% | 5.4 |
| JunJuneBest | 78°F(25°C) | 56°F(13°C) | 5.1 in(130 mm) | 67% | 6.0 |
| JulJulyBest | 81°F(27°C) | 59°F(15°C) | 4.5 in(115 mm) | 68% | 5.9 |
| AugAugust | 81°F(27°C) | 58°F(15°C) | 5.4 in(138 mm) | 69% | 5.0 |
| SepSeptember | 70°F(21°C) | 51°F(10°C) | 6.2 in(158 mm) | 72% | 3.6 |
| OctOctober | 60°F(16°C) | 44°F(7°C) | 6.7 in(170 mm) | 82% | 2.2 |
| NovNovember | 49°F(9°C) | 37°F(3°C) | 5.9 in(150 mm) | 85% | 1.1 |
| DecDecember | 39°F(4°C) | 28°F(-2°C) | 4.4 in(111 mm) | 92% | 0.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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