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The climate of Riyadh (Saudi Arabia)
Riyadh is the capital of Saudi Arabia which is the largest country on the Arabian peninsula. Riyadh has a warm desert climate (type BWh) with hot and dry summers and warm and dry winters. Riyadh gets 100 millimeters of annual precipitation on average, the largest part of which falls in March and April. During the summer hardly any rain falls. The low humidity figures in Riyadh are remarkable, especially during the summer. In June, July and August humidity figures are only 10-12%. Winters are relatively warm in Riyadh with maximum temperatures of 20-23 degrees Celsius on average. During the night temperatures may drop. However, subzero temperatures are uncommon.

 

Climate information
The figures below are based on long term weather and climate records. They are an average for Riyadh.

average
 maximum
temperature (įC)

average
minimum

temperature (įC)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (įC)
January 20 8 8 4 n/a
February 23 10 8 3 n/a
March 28 14 8 7 n/a
April 33 19 9 7 n/a
May 39 24 10 3 n/a
June 42 26 11 0 n/a
July 43 27 10 0 n/a
August 43 27 10 0 n/a
September 40 24 10 0 n/a
October 35 19 10 1 n/a
November 28 14 9 2 n/a
December 22 9 8 4 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate figures are very useful but donít present a general impression of the climate and the eventual weather circumstances within a certain period. The figures donít always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. ďMore climate infoĒ is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, itís up to the reader to use it to itís benefit.

 

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