word | | Climate |
| December | Sierra Leone | tropical; hot, humid; summer rainy season (May to December); winter dry season (December to April) |
| December | Singapore | tropical; hot, humid, rainy; two distinct monsoon seasons - Northeastern monsoon (December to March) and Southwestern monsoon (June to September); inter-monsoon - frequent afternoon and early evening thunderstorms |
| December | Somalia | principally desert; northeast 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 ... |
| December | Sri Lanka | tropical monsoon; northeast monsoon (December to March); southwest monsoon (June to October) |
| December | Syria | mostly desert; hot, dry, sunny summers (June to August) and mild, rainy winters (December to February) along coast; cold weather with snow or sleet periodically in Damascus |
| December | Tonga | tropical; modified by trade winds; warm season (December to May), cool season (May to December) |
| December | Trinidad and Tobago | tropical; rainy season (June to December) |
| December | Uganda | tropical; generally rainy with two dry seasons (December to February, June to August); semiarid in northeast |
| December | United States Pacific Island Wildlife Refuges | ... consistent northeast trade winds with little seasonal temperature variation Midway Islands: subtropical with cool, moist winters (December to February) and warm, dry summers (May to October); moderated by prevailing easterly winds; most ... |
| December | 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 |
| degrees | Burundi | ... to 2,670 m above sea level); average annual temperature varies with altitude from 23 to 17 degrees centigrade but is generally moderate as the average altitude is about 1,700 m; average annual ... |
| degrees | Clipperton Island | tropical; humid, average temperature 20-32 degrees C, wet season (May to October) |