Pack or skip
Insect repellent for Ljubljana in June
Verdict
Pack it
Warm (77°F) plus 13 rainy days = mosquito conditions.
Why
Ljubljana in June averages highs of 77°F, lows of 57°F, 13 rainy days.
That climate means insect repellent earns its space in the bag. Warm (77°F) plus 13 rainy days = mosquito conditions.