Climate of Dubai

Summers in Dubai are extremely hot, windy and dry, with an average high around 40 °C (104 °F) and overnight lows around 30 °C (86 °F), Most days are sunny throughout the year. Winters are warm with an average high of 23 °C (73 °F) and overnight lows of 14 °C (57 °F). Precipitation, however, has been increasing in the last few decades with accumulated rain reaching 150 mm

Climate data for Dubai
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	31 (88)	31 (88)	41 (106)	41 (106)	45 (113)	45 (113)	47 (117)	48 (118)	43 (109)	40 (104)	41 (106)	31 (88)	48 (118)
Average high °C (°F)	24.0 (75.2)	25.4 (77.7)	28.2 (82.8)	32.9 (91.2)	37.6 (99.7)	39.5 (103.1)	40.8 (105.4)	41.3 (106.3)	38.9 (102.0)	35.4 (95.7)	30.5 (86.9)	26.2 (79.2)	33.4 (92.1)
Daily mean °C (°F)	19 (66)	20 (68)	22.5 (72.5)	26 (79)	30.5 (86.9)	33 (91)	34.5 (94.1)	35.5 (95.9)	32.5 (90.5)	29 (84)	24.5 (76.1)	21 (70)	27.5 (81.5)
Average low °C (°F)	14.3 (57.7)	15.4 (59.7)	17.6 (63.7)	20.8 (69.4)	24.6 (76.3)	27.2 (81.0)	29.9 (85.8)	30.2 (86.4)	27.5 (81.5)	23.9 (75.0)	19.9 (67.8)	16.3 (61.3)	22.3 (72.1)
Record low °C (°F)	8 (46)	7 (45)	11 (52)	8 (46)	17 (63)	22 (72)	25 (77)	25 (77)	22 (72)	16 (61)	13 (55)	10 (50)	7 (45)
Precipitation mm (inches)	15.6 (0.614)	25.0 (0.984)	21.0 (0.827)	7.0 (0.276)	0.4 (0.016)	0.0 (0)	0.8 (0.031)	0.0 (0)	0.0 (0)	1.2 (0.047)	2.7 (0.106)	14.9 (0.587)	88.6 (3.488)
Avg. precipitation days	5	7	6	3	0	0	1	0	0	0	1	5	28

Source:- http://en.wikipedia.org/wiki/Climate_of_Dubai