![]() ![]() In San Francisco and in the cities located in the bay of the same name, the climate is mild, rainy in the winter months and sunny in the remainder of the year. Proceeding south, the west coast remains cool even in northern California and down to San Francisco, but winter becomes progressively milder, and cold spells become rarer. Near Seattle, the sea is cold all year round, and ranges from 8 ☌ (46.5 ☏) in January to 13.5 ☌ (56 ☏) in August. Here are the average temperatures in Seattle, located in the northwest, in the state of Washington, 150 km (90 mi) south of the Canadian border. Average temperatures in winter are about 3/5 ☌ (37/41 ☏), but every so often, cold air masses from Alaska can arrive here. In the north-western states (Washington, Oregon), the weather is cool and rainy along the west coast and along the west-facing slopes, in cities like Seattle, Portland, and Eugene. The Great Plains experience higher temperature variations, but are also less humid and rainy than the East Coast, especially in winter. Air masses coming from Canada are cold and dry (but pick up moisture when passing over the Great Lakes), while those from the Gulf of Mexico are warm and moist. In the central-eastern part, clashes of air masses are remarkable and frequent, making the climate unstable in most of the territory, and meteorological phenomena may be violent (storms, hail, blizzards, tornadoes). Given the vastness of the territory, the climatic differences are remarkable here as well. While the Western United States are mostly occupied by mountains and plateaus, with vast arid and desert areas, the central-eastern part is mostly flat or covered by hills and low mountains, and its climate is generally more humid and rainy. In general, the western half of the country is more arid than the eastern one, with the exception of the north-central coast of the Pacific, which is rainy. Heat waves in summer can be intense as well, especially in inland areas. Cold spells last a few days in the south, where the temperature drops a few degrees below freezing (0 ☌ or 32 ☏) in winter, while they are intense and sometimes long in inland areas, in the highlands and in the north-east. ![]() Since there are no obstacles to cold air masses from Canada, almost all of the country can experience sudden cold waves in winter, but they have different intensity and duration depending on area. ![]() ![]() There are, however, some exceptions: on the west coast overlooking the Pacific Ocean, the climate is cool and damp in the northern part and Mediterranean in the southern part on the coast of the Gulf of Mexico, the climate is mild in winter and hot and muggy in summer, while in Florida, it is almost tropical the mountainous areas are cold in winter and cool to cold even in summer and finally, there are deserts which are mild in winter and scorchingly hot in summer. However, in general it has a continental climate, with cold winters (often frigid) and hot summers (sometimes very hot), with a different season duration depending on latitude and distance from the sea. Center-east: Gulf of Mexico and Florida - Houston, Orlando, Miamiīeing a huge country, the contiguous United States is home to a wide variety of climates.Center-east: warm temperate climate - Dallas, Atlanta.Center-east: semi-continental climate - Cincinnati, New York, Boston, Washington.Center-east: continental climate - Duluth, Fargo, Chicago.West Coast - Seattle, San Francisco, Los Angeles. ![]()
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