Ljubljana, Slovenia Weather
Ljubljana hourly forecast: next 24 hours
Today's high of 81°F (27°C) is right in line with the typical August high of 81°F (27°C).
Current conditions in detail
Ljubljana weather tomorrow (Thursday, August 27)
Tomorrow in Ljubljana looks overcast, with a high of 85° and an overnight low of 64°. Rain is unlikely (11% chance). Winds top out near 10 mph, and the UV index reaches 7 (high).
Ljubljana 14-day forecast
About the weather in Ljubljana
Ljubljana has an oceanic climate. Average highs run from 41°F (5°C) in January to 82°F (28°C) in July, and the city records roughly 127 days of measurable precipitation a year.
Ljubljana weather: quick facts
- Hottest month: July - highs near 82°F (28°C)
- Coldest month: January - highs near 41°F (5°C)
- Decade extremes (2015-2024): 99°F (37°C) high · -3°F (-19°C) low
- Wettest month: September (12 rainy days) · Sunniest: July (12.6 h sun/day)
- Climate type: oceanic
- Annual swing: 21°C between the average warmest and coolest month · day to night: 10°C
- Snow: about 12 days a year
- Months with freezing average lows: 3
- Average humidity: 78%
Temperatures through the year
July is the brightest month at 12.6 hours of sun a day, against an annual average of 8.4. January is the coolest month, with highs of 41°F (5°C) and lows near 26°F (-3°C). July is the warm end of the year, averaging 82°F (28°C) by day and 61°F (16°C) overnight. Snow falls on roughly 12 days a year, mostly November through March.
Rain, sun and snow
Overnight lows average at or below freezing for 3 months, December through February. Precipitation concentrates in September - 5.7 inches (144 mm) on 12 days - and thins out by March. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum -3°F (-19°C).
Season by season
Spring (March through May)
Through spring, Ljubljana is mild: 60°F (16°C) by day, 41°F (5°C) after dark, and rain falls on around 35 of the 90 days.
Summer (June through August)
Summer brings comfortable warmth here - highs near 80°F (27°C), nights near 60°F (15°C), and rain falls on around 33 of the 90 days. Daylight is generous - around 12.2 hours of sun a day.
Fall (September through November)
Fall in Ljubljana runs cool rather than cold, with daytime highs averaging 61°F (16°C) and nights around 45°F (7°C); rain falls on around 33 of the 90 days.
Winter (December through February)
Through winter, Ljubljana runs cold: 43°F (6°C) by day, 28°F (-2°C) after dark, and expect showers on roughly 26 days across the season, plus about 8 snowy days.
Average temperatures in Ljubljana by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 41° | 26° | 8 | 3.2 in | 5.1 h/day | 83% |
| February | 47° | 29° | 9 | 3.4 in | 6.0 h/day | 80% |
| March | 53° | 33° | 10 | 2.8 in | 8.2 h/day | 73% |
| April | 61° | 40° | 9 | 3.2 in | 9.8 h/day | 72% |
| May | 67° | 49° | 16 | 5.6 in | 10.1 h/day | 77% |
| June | 77° | 58° | 12 | 3.5 in | 12.3 h/day | 74% |
| July | 82° | 61° | 11 | 3.6 in | 12.6 h/day | 71% |
| August | 81° | 61° | 9 | 3.6 in | 11.6 h/day | 73% |
| September | 71° | 53° | 12 | 5.7 in | 9.3 h/day | 79% |
| October | 62° | 45° | 10 | 4.7 in | 7.1 h/day | 84% |
| November | 50° | 37° | 10 | 5.1 in | 4.7 h/day | 86% |
| December | 42° | 29° | 8 | 3.8 in | 4.4 h/day | 87% |