Search flights, hotels & activities for Koper
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
21,000+routes tracked
€0booking fees from us
Freeprice drop alerts
Things to Do in Koper in July
Real historical weather for Koper in July: average highs of 29°C and lows of 20°C, with around 140mm of rain (averaged over the last 3 years). Koper is in Slovenia.
29°C
Average high
20°C
Average low
140mm
Typical rainfall
Real things to do in Koper in July
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Small group tour to Koper and Postojna cave from Trieste
★ 5.0(2 reviews)· 6h 30m
From €125
Tour to Postojna and Predjama Castle from Koper
★ 4.9(50 reviews)· 5 hrs
From €99
Lake Bled and Ljubljana Group Shore Experience from Koper/Trieste
★ 4.8(48 reviews)· 8 hrs
From €125
Postojna Cave & Photostop Predjama castle - Group Tour from Koper
★ 4.8(37 reviews)· 5 hrs
From €130
Shared group tour to UNESCO Skocjan caves from Koper
★ 4.7(6 reviews)· 4 hrs
From €80
Panoramic Tour to Piran
★ 4.6(73 reviews)· 3h 30m
From €31
Postojna Cave & Predjama Castle - Shore Excursion from Koper
★ 4.5(15 reviews)· 5 hrs
From €118
Small Group Tour to Lake Bled & Ljubljana from Koper
★ 4.4(32 reviews)· 8 hrs
From €88
Postojna Cave & Predjama Castle from Koper
★ 4.4(50 reviews)· 5 hrs
From €116
Hop & Taste Slovenian Riviera Hop-On Hop-Off & Local Bites
★ 3.8(78 reviews)· 3h 30m
From €59
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Plan the rest of your trip
Continue planning your trip to Koper
Same destination, real availability — no need to search again.
FAQs — Koper in July
Based on real historical data (averaged over the last 3 years), expect highs around 29°C and lows around 20°C, with roughly 140mm of rain.