word | | Climate |
| October | Northern Mariana Islands | tropical marine; moderated by northeast trade winds, little seasonal temperature variation; dry season December to June, rainy season July to October |
| October | Pacific Ocean | ... patterns, modified by seasonal fluctuations; tropical cyclones (hurricanes) may form south of Mexico from June to October and affect Mexico and Central America; continental influences cause climatic uniformity to be much less ... |
| October | Papua New Guinea | tropical; northwest monsoon (December to March), southeast monsoon (May to October); slight seasonal temperature variation |
| October | Philippines | tropical marine; northeast monsoon (November to April); southwest monsoon (May to October) |
| October | Samoa | tropical; rainy season (November to April), dry season (May to October) |
| October | Sao Tome and Principe | tropical; hot, humid; one rainy season (October to May) |
| October | Somalia | ... monsoon (December to February), moderate temperatures in north and hot in south; southwest monsoon (May to October), torrid in the north and hot in the south, irregular rainfall, hot and humid periods ... |
| October | Sri Lanka | tropical monsoon; northeast monsoon (December to March); southwest monsoon (June to October) |
| October | United States Pacific Island Wildlife Refuges | ... Midway Islands: subtropical with cool, moist winters (December to February) and warm, dry summers (May to October); moderated by prevailing easterly winds; most of the 1,067 mm (42 in) of annual rainfall ... |
| October | Vanuatu | tropical; moderated by southeast trade winds from May to October; moderate rainfall from November to April; may be affected by cyclones from December to April |
| October | Vietnam | tropical in south; monsoonal in north with hot, rainy season (May to September) and warm, dry season (October to March) |
| October | Wallis and Futuna | tropical; hot, rainy season (November to April); cool, dry season (May to October); rains 2,500-3,000 mm per year (80% humidity); average temperature 26.6 degrees C |
| October | Zambia | tropical; modified by altitude; rainy season (October to April) |
| offshore | Western Sahara | hot, dry desert; rain is rare; cold offshore air currents produce fog and heavy dew |
| open | Southern Ocean | ... eastward around the continent and frequently are intense because of the temperature contrast between ice and open ocean; the ocean area from about latitude 40 south to the Antarctic Circle has the ... |
| open | Svalbard | arctic, tempered by warm North Atlantic Current; cool summers, cold winters; North Atlantic Current flows along west and north coasts of Spitsbergen, keeping water open and navigable most of the year |
| outward | Southern Ocean | ... Antarctic Circle has the strongest average winds found anywhere on Earth; in winter the ocean freezes outward to 65 degrees south latitude in the Pacific sector and 55 degrees south latitude in ... |
| overcast | Denmark | temperate; humid and overcast; mild, windy winters and cool summers |
| overcast | Faroe Islands | mild winters, cool summers; usually overcast; foggy, windy |
| overcast | French Southern and Antarctic Lands | Ile Amsterdam et Ile Saint-Paul: oceanic with persistent westerly winds and high humidity Iles Crozet: windy, cold, wet, and cloudy Iles Kerguelen: oceanic, cold, overcast, windy Iles Eparses: tropical |
| overcast | Guernsey | temperate with mild winters and cool summers; about 50% of days are overcast |
| overcast | Ireland | temperate maritime; modified by North Atlantic Current; mild winters, cool summers; consistently humid; overcast about half the time |
| overcast | Isle of Man | temperate; cool summers and mild winters; overcast about one-third of the time |
| overcast | United Kingdom | temperate; moderated by prevailing southwest winds over the North Atlantic Current; more than one-half of the days are overcast |
| Pacific | Pacific Ocean | ... much less pronounced in the eastern and western regions at the same latitude in the North Pacific Ocean; the western Pacific is monsoonal - a rainy season occurs during the summer months, when ... |