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Bahrain: Climate
Country Study > Chapter 2 > Geography and Population > Climate

CLIMATE


Bahrain has two seasons: an extremely hot summer and a relatively mild winter. During the summer months, from April to October, afternoon temperatures average 40° C and can reach 48° C during June and July. The combination of intense heat and high humidity makes this season uncomfortable. In addition, a hot, dry southwest wind, known locally as the qaws, periodically blows sand clouds across the barren southern end of Bahrain toward Manama in the summer. Temperatures moderate in the winter months, from November to March, when the range is between 10° C and 20° C. However, humidity often rises above 90 percent in the winter. From December to March, prevailing winds from the southeast, known as the shammal, bring damp air over the islands. Regardless of the season, daily temperatures are fairly uniform throughout the archipelago.

Bahrain receives little precipitation. The average annual rainfall is seventy-two millimeters, usually confined to the winter months. No permanent rivers or streams exist on any of the islands. The winter rains tend to fall in brief, torrential bursts, flooding the shallow wadis that are dry the rest of the year and impeding transportation. Little of the rainwater is saved for irrigation or drinking. However, there are numerous natural springs in the northern part of Bahrain and on adjacent islands. Underground freshwater deposits also extend beneath the Gulf of Bahrain to the Saudi Arabian coast. Since ancient times, these springs have attracted settlers to the archipelago. Despite increasing salinization, the springs remain an important source of drinking water for Bahrain. Since the early 1980s, however, desalination plants, which render seawater suitable for domestic and industrial use, have provided about 60 percent of daily water consumption needs.

Data as of January 1993



Bahrain - Climate Snapshot

ANNUAL JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEARS # CITIES 
* Years is the average number of years used to compute the average.
# Cities is the total number of locations used to compute the average.




Last Updated: January 1993


Editor's Note: Country Studies included here were published between 1988 and 1998. The Country study for Bahrain was first published in 1993. Where available, the data has been updated through 2008. The date at the bottom of each section will indicate the time period of the data. Information on some countries may no longer be up to date. See the "Research Completed" date at the beginning of each study on the Title Page or the "Data as of" date at the end of each section of text. This information is included due to its comprehensiveness and for historical purposes.

Note that current information from the CIA World Factbook, U.S. Department of State Background Notes, Australia's Department of Foreign Affairs and Trade Country Briefs, the UK's Foreign and Commonwealth Office's Country Profiles, and the World Bank can be found on Factba.se.

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