Climate

Uzbekistan has ample sunshine. In the north the sun shines on average for 2,700-2,980 hours a year and in the south for 2,800 - 3,130 hours a year. Western Europe only receives 70 - 80% of the level enjoyed by Central Asia. In this respect, only the state of California can compete with Central Asia, or with Uzbekistan.

The country has a sharply continental climate, with a large range of temperatures during the day and night, and in summer and winter. Dry weather is typical of the country, which implies a low level of atmospheric precipitation, a low relative air humidity in summer, few clouds and, due to this, a considerable amount of solar radiation. The length of day in summer is about fifteen hours and not less than nine hours in winter. Due to characteristics of the landscape, the country's climate is different from the typically subtropical continental climate found in neighboring Iran and Afghanistan. The cold air, coming from the moderate and cold latitudes, meets no obstacles on its way. It can easily penetrate into Central Asia, or Uzbekistan, and is unable to continue over the mountains into the neighboring countries. Thus the cold air has a greater influence during winter.

The barrier of mountains in the south and east prevents the air from escaping from the country. That is why winters here are more severe than it is normal for the latitude of subtropics. They have, in fact, more similarity with winters in Kazakhstan, which is located further to the north, in the climatic zone of moderate latitude.

The coldest month in Uzbekistan is January, when the temperature in the north can go down to minus eight, though in the extreme south, in the region of Termez, temperatures are usually positive. The absolute temperature minimum in winter can be minus 35-38"C. For instance, the winter of 1993-94 was frosty, with much snow, and the temperature in the Ustyurt Plateau went down to minus 33-35°C in February. It is worthwhile to note that during the same period (February 14- 16"C) the temperature in Yakutia, the coldest region of the former Soviet Union, was similar. In the north of Uzbekistan, winter lasts almost five months, while in the valleys it lasts for just one and a half to two months.

The hottest month in summer is July and in the mountains it is July and August. In summer, the average temperature on the plains and in the foothills is plus 25-30"C, whilst in the south (Termez and Sherabad) it is up to 31 -32"C, with the absolute level of summer temperatures above 42"C. The maximum temperature of plus 50" was registered in the city of Termez, Surkhandarya Region in July 1944. A temperature of 42-47"C is normal for all the plains and foothills of Uzbekistan. In the desert, during the hot lest period, the temperature can rise to plus 70°C.

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