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

CLIMATE


With the exception of Dhofar region, which has a light monsoon climate and receives cool winds from the Indian Ocean, the climate of Oman is extremely hot and dry most of the year. Summer begins in mid-April and lasts until October. The highest temperatures are registered in the interior, where readings of more than 50° C in the shade are common. On the Al Batinah plain, summer temperatures seldom exceed 46° C, but, because of the low elevation, the humidity may be as high as 90 percent. The mean summer temperature in Muscat is 33° C, but the gharbi (literally, western), a strong wind that blows from the Rub al Khali, can raise temperatures from the towns on the Gulf of Oman by 6° C to 10° C. Winter temperatures are mild and pleasant, ranging between 15° C and 23° C.

Precipitation on the coasts and on the interior plains ranges from twenty to 100 millimeters a year and falls during mid- and late winter. Rainfall in the mountains, particularly over Al Jabal al Akhdar, is much higher and may reach 700 millimeters. Because the plateau of Al Jabal al Akhdar is porous limestone, rainfall seeps quickly through it, and the vegetation, which might be expected to be more lush, is meager. However, a huge reservoir under the plateau provides springs for low-lying areas. In addition, an enormous wadi channels water to these valleys, making the area agriculturally productive in years of good rainfall. Dhofar, benefiting from a southwest monsoon between June and September, receives heavier rainfall and has constantly running streams, which make the region Oman's most fertile area.

Data as of January 1993



Oman - 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 Oman 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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