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Laos Climate
http://www.photius.com/countries/laos/climate/laos_climate_climate.html
Sources: The Library of Congress Country Studies; CIA World Factbook
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    Laos has a tropical monsoon climate, with a pronounced rainy season from May through October, a cool dry season from November through February, and a hot dry season in March and April. Generally, monsoons occur at the same time across the country, although that time may vary significantly from one year to the next. Rainfall also varies regionally, with the highest amounts-- 3,700 millimeters annually--recorded on the Bolovens Plateau in Champasak Province. City rainfall stations have recorded that Savannakhét averages 1,440 millimeters of rain annually; Vientiane receives about 1,700 millimeters, and Louangphrabang (Luang Prabang) receives about 1,360 millimeters. Rainfall is not always adequate for rice cultivation, however, and the relatively high average precipitation conceals years where rainfall may be only half or less of the norm, causing significant declines in rice yields. Such droughts often are regional, leaving production in other parts of the country unaffected. Temperatures range from highs around 40°C along the Mekong in March and April to lows of 5°C or less in the uplands of Xiangkhoang and Phôngsali in January.

    Data as of July 1994


    NOTE: The information regarding Laos on this page is re-published from The Library of Congress Country Studies and the CIA World Factbook. No claims are made regarding the accuracy of Laos Climate information contained here. All suggestions for corrections of any errors about Laos Climate should be addressed to the Library of Congress and the CIA.

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Revised 10-Nov-04
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