For those seeking warm weather, the ideal time to visit Ljubljana is in June, July and August. During these months, temperatures typically soar to an average of 21.83 °C, and you'll find that August, June and March are the sunniest months, with an average of 57.7 hours of sunshine.
Conversely, if you favor cooler weather, consider planning your trip to Ljubljana in January, December or February. During this period, you can expect an average temperature of -0.56 °C.
For travelers indifferent to temperature but keen to steer clear of rain, it’s wise to avoid visiting during February, November and December, when the average precipitation in Ljubljana reaches 9.75 mm. Instead, consider the drier months of January, February and March, which feature significantly lower rainfall, averaging only 0 mm.