Where to go in October

24 vetted destinations at their best this month, rated from ten years of real temperature and rainfall at each city.

Rome · ItalyComfortable days around 23°C, and little rain (76mm rain).
Paris · FranceComfortable days around 17°C, and little rain (91mm rain).
Istanbul · TürkiyeComfortable days around 21°C, and little rain (52mm rain).
London · United KingdomComfortable days around 16°C, and little rain (112mm rain).
Vienna · AustriaComfortable days around 17°C, and little rain (49mm rain).
Santorini · GreeceComfortable days around 24°C, and little rain (10mm rain).
Amsterdam · NetherlandsComfortable days around 15°C, and little rain (92mm rain).
Barcelona · SpainComfortable days around 22°C, and little rain (105mm rain).
Lisbon · PortugalComfortable days around 23°C, and little rain (85mm rain).
Lucerne · SwitzerlandComfortable days around 16°C, and little rain (135mm rain).
Prague · CzechiaComfortable days around 16°C, and little rain (53mm rain).
Berlin · GermanyComfortable days around 15°C, and little rain (56mm rain).
Mexico City · MexicoComfortable days around 23°C, and little rain (79mm rain).
Kraków · PolandComfortable days around 16°C, and little rain (58mm rain).
Grand Canyon · United StatesComfortable days around 25°C, and little rain (16mm rain).
Plitvice Lakes · CroatiaComfortable days around 15°C, and little rain (127mm rain).
Hiroshima · JapanComfortable days around 22°C, and little rain (65mm rain).
Florence · ItalyComfortable days around 22°C, and little rain (100mm rain).
Provence · FranceComfortable days around 19°C, and little rain (126mm rain).
Cappadocia · TürkiyeComfortable days around 21°C, and little rain (14mm rain).
Cotswolds · United KingdomComfortable days around 14°C, and little rain (126mm rain).
Salzburg · AustriaComfortable days around 17°C, and little rain (98mm rain).
Athens · GreeceComfortable days around 23°C, and little rain (28mm rain).
Keukenhof · NetherlandsComfortable days around 15°C, and little rain (141mm rain).