Places starting with O
Every destination we hold twenty years of climate records for.
- Oakland , California, United States
- Oakville , Ontario, Canada
- Oatman , Arizona, United States
- Oaxaca , Oaxaca, Mexico
- Oban , Scotland, United Kingdom
- Oberhausen , North Rhine-Westphalia, Germany
- Obihiro , Hokkaido, Japan
- Ocean City , Maryland, United States
- Oceanside , California, United States
- Ocho Rios , Saint Ann Parish, Jamaica
- Ocracoke , North Carolina, United States
- Odense , South Denmark, Denmark
- Odesa , Odesa, Ukraine
- Offenburg , Baden-Wurttemberg, Germany
- Ogasawara Islands , Tokyo, Japan
- Ogbomoso , Oyo State, Nigeria
- Ogden , Utah, United States
- Ogunquit , Maine, United States
- Ohrid , Ohrid, North Macedonia
- Oía , South Aegean, Greece
- Ōita , Oita, Japan
- Okara , Punjab, Pakistan
- Okayama , Okayama, Japan
- Okazaki , Aichi, Japan
- Okene , Kogi State, Nigeria
- Oklahoma City , Oklahoma, United States
- Öland , Kalmar, Sweden
- Olbia , Sardinia, Italy
- Old Orchard Beach , Maine, United States
- Old Saybrook , Connecticut, United States
- Oldcastle , Leinster, Ireland
- Oldenburg , Lower Saxony, Germany
- Oldham , England, United Kingdom
- Ölgii , Bayan-OElgii Province, Mongolia
- Olinda , Pernambuco, Brazil
- Ollantaytambo , Cuzco Department, Peru
- Olomouc , Olomouc Region, Czechia
- Olongapo , Central Luzon, Philippines
- Olympia , Washington, United States
- Olympic National Park , Washington, United States
- Olympos , Antalya, Turkey
- Omaha , Nebraska, United States
- Omsk , Omsk Oblast, Russia
- Ondo , Ondo State, Nigeria
- Onitsha , Anambra, Nigeria
- Ontario , California, United States
- Ooty , Tamil Nadu, India
- Opole , Opole Voivodeship, Poland
- Oradea , Bihor County, Romania
- Oral , West Kazakhstan, Kazakhstan
- Oran , Oran, Algeria
- Orange , New South Wales, Australia
- Orange , Provence-Alpes-Cote d'Azur, France
- Orange , California, United States
- Orania , Northern Cape, South Africa
- Orchha , Madhya Pradesh, India
- Ordos , Inner Mongolia, China
- Ordu , Ordu, Turkey
- Örebro , OErebro, Sweden
- Oregon City , Oregon, United States
- Orël , Oryol oblast, Russia
- Orenburg , Orenburg Oblast, Russia
- Orlando , Florida, United States
- Orléans , Centre-Val de Loire, France
- Ormoc , Eastern Visayas, Philippines
- Orūmīyeh , West Azerbaijan, Iran
- Oruro , Oruro, Bolivia
- Orvieto , Umbria, Italy
- Osaka , Osaka, Japan
- Osasco , Sao Paulo, Brazil
- Osh , Osh Region, Kyrgyzstan
- Oshawa , Ontario, Canada
- Osijek , County of Osijek-Baranja, Croatia
- Oslo , Oslo, Norway
- Osmaniye , Osmaniye, Turkey
- Osnabrück , Lower Saxony, Germany
- Osogbo , Osun State, Nigeria
- Osoyoos , British Columbia, Canada
- Ostend , Flanders, Belgium
- Ostrava , Moravian-Silesian Region, Czechia
- Oświęcim , Lesser Poland, Poland
- Ota , Ogun State, Nigeria
- Ōta , Gunma, Japan
- Otaru , Hokkaido, Japan
- Ōtsu , Shiga, Japan
- Ottawa , Ontario, Canada
- Ouagadougou , Centre, Burkina Faso
- Ouarzazate , Draa-Tafilalet, Morocco
- Oujda , Oriental, Morocco
- Oulu , North Ostrobothnia, Finland
- Ouro Preto , Minas Gerais, Brazil
- Oviedo , Asturias, Spain
- Owen Sound , Ontario, Canada
- Owensboro , Kentucky, United States
- Owerri , Imo State, Nigeria
- Owo , Ondo State, Nigeria
- Oxford , England, United Kingdom
- Oxford , Mississippi, United States
- Oxnard , California, United States
- Oyo , Oyo State, Nigeria
- Ozamiz , Northern Mindanao, Philippines
- Ozurgeti , Guria, Georgia