18. Tallinn, Estonia
Tallinn vital statistics: Population (2018): 450,830 (city proper); 610,468 (metro) Latitude & longitude: 59˚ 26′ 14″ N, 24˚ 44′ 43″ E January average temperature: High -1˚C (30.2˚F), low -5.9˚C (21.4˚F) July average temperature: High 21.9˚C (71.4˚F), low 12.7˚C (54.9˚F) Time zone: GMT+3 (7 hours ahead of U.S. EDT) Language: Estonian Currency: Euro (€) Exchange rate: