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Best time to visit · Slovenia
On the climate data, the best time to visit Ljubljana is April – September, scoring up to 84/100 with highs around 81°F (27°C) and 3.7 in (94 mm) of rain in August. October is a good shoulder-season month. The toughest months are December – February, mainly because of cool days.
Highs run from 39°F to 81°F across the year, and the yearly total is about 41.5 in (1054 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 39°F4°C | 42°F6°C | 51°F11°C | 61°F16°C | 69°F21°C | 77°F25°C | 81°F27°C | 81°F27°C | 71°F22°C | 61°F16°C | 51°F10°C | 42°F5°C |
| Avg low | 27°F-3°C | 28°F-2°C | 34°F1°C | 42°F6°C | 50°F10°C | 58°F14°C | 61°F16°C | 60°F16°C | 52°F11°C | 45°F7°C | 38°F3°C | 30°F-1°C |
| Rain/snow | 2.4 in60 mm | 2.9 in73 mm | 2.8 in71 mm | 2.9 in73 mm | 3.8 in96 mm | 3.5 in88 mm | 3.3 in83 mm | 3.7 in94 mm | 4.6 in118 mm | 4.1 in104 mm | 4.3 in109 mm | 3.3 in85 mm |
| Humidity | 91% | 88% | 83% | 78% | 77% | 75% | 71% | 70% | 77% | 85% | 90% | 91% |
| Cloud | 72% | 72% | 66% | 65% | 69% | 64% | 59% | 56% | 63% | 66% | 74% | 73% |
| Comfort | 44 | 45 | 63 | 79 | 80 | 79 | 83 | 84 | 80 | 75 | 54 | 42 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~598 m (1,962 ft) to Ljubljana's ~306 m (1,004 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 39–42°F (4–6°C) and lows down to 27°F (-3°C). It's the driest season, with only about 8.6 in (218 mm) of rain or snow, 21% of the year's total. January & February are cold enough for snow. It holds the toughest stretch on our comfort score (December – February), averaging 44/100.
Temperatures climb through the season, from 51°F highs in March to 69°F by May. About 9.4 in (240 mm) of rain falls across these months, 23% of the year's total. Lows bottom out around 34°F (1°C). Comfort peaks here: April & May rank with the year's best, and the season averages 74/100.
Peak warmth: highs of 77–81°F (25–27°C). About 10.4 in (265 mm) of rain falls across these months, 25% of the year's total. Lows bottom out around 58°F (14°C). June – August are among the best-scoring months (season average 82/100).
Temperatures slide from 71°F highs in September to 51°F by November. It's the wettest season, with about 13.0 in (331 mm) of rain, 31% of the year's total. Lows bottom out around 38°F (3°C). Comfort peaks here: September ranks with the year's best, and the season averages 70/100.
By comfort score: 7 Great, 1 Good, 2 Fair and 2 Tough. Great months: April – October. Tap a month for its own guide.
On the climate data, the best time to visit Ljubljana is April – September, scoring up to 84/100 with highs around 81°F (27°C) and 3.7 in (94 mm) of rain in August. October is a good shoulder-season month. The toughest months are December – February, mainly because of cool days.
September is the wettest month, averaging about 4.6 in (118 mm) of rain. January is the driest, with about 2.4 in (60 mm). The yearly total is around 41.5 in (1054 mm).
January is the coldest, with average lows of 27°F (-3°C) and highs of 39°F (4°C). The warmest is July, with average highs of 81°F (27°C).
Not very: summer (June – August) humidity averages 72%, and highs peak around 81°F (27°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in December – February, bottoming out around 27°F (-3°C) in January.
Poll the group on April – September dates, then plan the days, packing and costs together.
