Summer temperatures are very hot, approaching 50 degrees Celsius. The average high temperature in July is 43.5°C. Winters are mild with cold, windy nights. The overall climate is arid, receiving very little rainfall. It is also known to have many dust storms. The dust is often so thick that visibility is under 10 meters.
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[hide]Climate data for Riyadh |
|
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) |
47.0
(116.6) |
48.0
(118.4) |
47.8
(118) |
44.5
(112.1) |
41.0
(105.8) |
36.0
(96.8) |
31.0
(87.8) |
48.0
(118.4) |
|
Average high °C (°F) |
20.2
(68.4) |
23.0
(73.4) |
27.3
(81.1) |
33.3
(91.9) |
39.1
(102.4) |
42.4
(108.3) |
43.5
(110.3) |
43.2
(109.8) |
40.3
(104.5) |
35.0
(95) |
27.7
(81.9) |
22.0
(71.6) |
33.1
(91.6) |
|
Daily mean °C (°F) |
14.4
(57.9) |
16.9
(62.4) |
21.1
(70) |
26.8
(80.2) |
32.7
(90.9) |
35.4
(95.7) |
36.6
(97.9) |
36.3
(97.3) |
33.2
(91.8) |
28.1
(82.6) |
21.4
(70.5) |
16.1
(61) |
26.6
(79.9) |
|
Average low °C (°F) |
9.0
(48.2) |
11.0
(51.8) |
15.0
(59) |
20.3
(68.5) |
25.7
(78.3) |
27.6
(81.7) |
29.1
(84.4) |
28.8
(83.8) |
25.7
(78.3) |
20.9
(69.6) |
15.4
(59.7) |
10.6
(51.1) |
19.9
(67.8) |
|
Record low °C (°F) |
-0.5
(31.1) |
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) |
13.0
(55.4) |
7.0
(44.6) |
1.4
(34.5) |
-0.5
(31.1) |
|
Rainfall mm (inches) |
11.7
(0.461) |
8.5
(0.335) |
24.7
(0.972) |
22.3
(0.878) |
4.6
(0.181) |
0.0
(0) |
0.0
(0) |
0.2
(0.008) |
0.0
(0) |
1.7
(0.067) |
7.9
(0.311) |
13.0
(0.512) |
94.8
(3.732) |
|
% Humidity |
47 |
38 |
34 |
28 |
17 |
11 |
10 |
12 |
14 |
21 |
36 |
47 |
26 |
|
Avg. precipitation days |
5.8 |
4.8 |
9.8 |
10.0 |
3.5 |
0.0 |
0.2 |
0.2 |
0.0 |
1.2 |
3.4 |
6.3 |
45.2 |
Source: [2]
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