Search flights, hotels & activities for Mainz
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 Mainz in Summer
Real historical weather for Mainz in Summer: average highs of 26°C and lows of 16°C, with around 111mm of rain (averaged over the last 3 years). Mainz is in Germany.
26°C
Average high
16°C
Average low
111mm
Typical rainfall
Real things to do in Mainz in Summer
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Guided tour in Mainz am Rhein in German and English
★ 5.0(5 reviews)· 2h 15m
From €17
Evening walking tour of Mainz Rhine bank and Old Town
★ 5.0(7 reviews)· 1h 30m
From €17
Exclusive Wine & Food Tasting in Historic Cellar | Mainz Old Town
★ 5.0(52 reviews)· 2 hrs
From €85
1,5 Hour Private Guided Walking Tour: Cathedral and Old Mainz
★ 5.0(25 reviews)· 1h 30m
From €190
Mainz Old Town: A Self-Guided Walking Tour
★ 4.9(11 reviews)· 1h 45m
From €8
Mainz Interactive City Tour
★ 4.5(2 reviews)· 2 hrs
From €7
Private Guided Walking Tour in Mainz
★ 3.7(6 reviews)· 3 hrs
From €75
Golden Mainz and its Sights: Guided Walking Tour
· 1h 30m
From €20
Audio Tour of Mainz: A Guide to the Town where Bookprinting Began
· 1h 30m
From €8
Explore Mainz's City Highlights with a Local
· 1 hr
From €79
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Other seasons in Mainz
Plan the rest of your trip
Continue planning your trip to Mainz
Same destination, real availability — no need to search again.
FAQs — Mainz in Summer
Based on real historical data (averaged over the last 3 years), expect highs around 26°C and lows around 16°C, with roughly 111mm of rain.