Climate

Unlike other Saudi Arabian cities, Mecca retains its warm temperature in winter, which can range from 17 °C (63 °F) at midnight to 25 °C (77 °F) in the afternoon. Summer temperatures are considered very hot and break the 40 °C (104 °F) mark in the afternoon dropping to 30 °C (86 °F) in the evening. Rain usually falls in Mecca in small amounts between November and January.

Climate data for Mecca
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	37.0 (98.6)	38.3 (100.9)	42.0 (107.6)	44.7 (112.5)	49.4 (120.9)	49.4 (120.9)	49.8 (121.6)	49.6 (121.3)	49.4 (120.9)	46.8 (116.2)	40.8 (105.4)	37.8 (100)	49.8 (121.6)
Average high °C (°F)	30.2 (86.4)	31.4 (88.5)	34.6 (94.3)	38.5 (101.3)	41.9 (107.4)	43.7 (110.7)	42.8 (109)	42.7 (108.9)	42.7 (108.9)	39.9 (103.8)	35.0 (95)	31.8 (89.2)	43.7 (110.7)
Daily mean °C (°F)	23.9 (75)	24.5 (76.1)	27.2 (81)	30.8 (87.4)	34.3 (93.7)	35.7 (96.3)	35.8 (96.4)	35.6 (96.1)	35.0 (95)	32.1 (89.8)	28.3 (82.9)	25.5 (77.9)	30.7 (87.3)
Average low °C (°F)	18.6 (65.5)	18.9 (66)	21.0 (69.8)	24.3 (75.7)	27.5 (81.5)	28.3 (82.9)	29.0 (84.2)	29.3 (84.7)	28.8 (83.8)	25.8 (78.4)	22.9 (73.2)	20.2 (68.4)	18.9 (66)
Record low °C (°F)	11.0 (51.8)	10.0 (50)	13.0 (55.4)	15.6 (60.1)	20.3 (68.5)	22.0 (71.6)	23.4 (74.1)	23.4 (74.1)	22.0 (71.6)	18.0 (64.4)	16.4 (61.5)	12.4 (54.3)	10.0 (50)
Rainfall mm (inches)	20.6 (0.811)	1.4 (0.055)	6.2 (0.244)	11.6 (0.457)	0.6 (0.024)	0.0 (0)	1.5 (0.059)	5.6 (0.22)	5.3 (0.209)	14.2 (0.559)	21.7 (0.854)	21.4 (0.843)	110.1 (4.335)
% Humidity	58	54	48	43	36	33	34	39	45	50	58	59	46
Avg. precipitation days	4.1	0.9	2.0	1.9	0.7	0.0	0.2	1.6	2.3	1.9	3.9	3.6	1.9