Riyadh
Climate

Riyadh

Section Title: Climate
Table Section Text: None

Climate data for Riyadh (1985-2010)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year

Record high °C (°F)	31.5 (88.7)	34.8 (94.6)	38.0 (100.4)	42.0 (107.6)	45.1 (113.2)	47.2 (117.0)	48.0 (118.4)	47.8 (118.0)	45.0 (113.0)	41.0 (105.8)	38.0 (100.4)	31.0 (87.8)	48.0 (118.4)

Average high °C (°F)	20.2 (68.4)	23.4 (74.1)	27.7 (81.9)	33.4 (92.1)	39.4 (102.9)	42.5 (108.5)	43.5 (110.3)	43.6 (110.5)	40.4 (104.7)	35.3 (95.5)	27.8 (82.0)	22.2 (72.0)	33.3 (91.9)

Daily mean °C (°F)	14.4 (57.9)	17.3 (63.1)	21.4 (70.5)	26.9 (80.4)	32.9 (91.2)	35.7 (96.3)	36.8 (98.2)	36.7 (98.1)	33.5 (92.3)	28.4 (83.1)	21.5 (70.7)	16.3 (61.3)	26.8 (80.3)

Average low °C (°F)	9.0 (48.2)	11.2 (52.2)	15.2 (59.4)	20.4 (68.7)	25.9 (78.6)	28.0 (82.4)	29.3 (84.7)	29.2 (84.6)	25.9 (78.6)	21.2 (70.2)	15.5 (59.9)	10.6 (51.1)	20.1 (68.2)

Record low °C (°F)	−2.2 (28.0)	0.5 (32.9)	4.5 (40.1)	11.0 (51.8)	18.0 (64.4)	16.0 (60.8)	23.6 (74.5)	22.7 (72.9)	16.1 (61.0)	14.0 (57.2)	7.0 (44.6)	1.4 (34.5)	−2.2 (28.0)

Average rainfall mm (inches)	12.5 (0.49)	8.0 (0.31)	24.0 (0.94)	28.0 (1.10)	4.9 (0.19)	3.0 (0.12)	3.7 (0.15)	4.0 (0.16)	0.1 (0.00)	0.2 (0.01)	0.9 (0.04)	14.6 (0.57)	103.9 (4.08)

Average rainy days	6.1	4.3	9.4	11.3	3.3	0.0	0.1	0.2	0.0	0.5	3.3	6.3	44.8

Average relative humidity (%)	47	36	32	28	17	11	10	12	14	20	36	47	26

Mean monthly sunshine hours	212.4	226.6	219.8	242.3	287.7	328.2	332.1	309.2	271.6	311.4	269.2	214.3	3,224.8

Percent possible sunshine	63	71	59	63	70	80	80	77	74	87	82	65	72

Source: "Jeddah Regional Climate Centre South West Asia".

Sentence(s)