Riyadh, Saudi Arabia - Detailed climate information and monthly weather forecast

Average temperature
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average UV index

A view of the Olaya street metro construction and cars in a traffic jam in the city of Riyadh, Saudi Arabia, viewed from above, at night

The average high temperature in January:
20.2°C
The average high temperature in February:
23.4°C
The average high temperature in March:
27.7°C
The average high temperature in April:
33.4°C
The average high temperature in May:
39.4°C
The average high temperature in June:
42.5°C

The average high temperature in July:
43.5°C
The average high temperature in August:
43.6°C
The average high temperature in September:
40.4°C
The average high temperature in October:
35.3°C
The average high temperature in November:
27.8°C
The average high temperature in December:
22.2°C

The warmest month (with the highest average high temperature) is August (43.6°C).
The month with the lowest average high temperature is January (20.2°C).

The average low temperature in January:
9°C
The average low temperature in February:
11.2°C
The average low temperature in March:
15.2°C
The average low temperature in April:
20.4°C
The average low temperature in May:
25.9°C
The average low temperature in June:
28°C

The average low temperature in July:
29.3°C
The average low temperature in August:
29.2°C
The average low temperature in September:
25.9°C
The average low temperature in October:
21.2°C
The average low temperature in November:
15.5°C
The average low temperature in December:
10.6°C

The month with the highest average low temperature is July (29.3°C).
The coldest month (with the lowest average low temperature) is January (9°C).

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Months with the highest relative humidity are January and December (47%).
The month with the lowest relative humidity is July (10%).

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The average rainfall in July:
0mm
The average rainfall in August:
0.4mm
The average rainfall in September:
0mm
The average rainfall in October:
0.8mm
The average rainfall in November:
8.7mm
The average rainfall in December:
14.6mm

The wettest month (with the highest rainfall) is April (23.8mm).
Driest months (with the lowest rainfall) are June, July and September (0mm).

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The average rainfall days in January:
6.1 days
The average rainfall days in February:
4.3 days
The average rainfall days in March:
9.4 days
The average rainfall days in April:
11.3 days
The average rainfall days in May:
3.3 days
The average rainfall days in June:
0 days

The average rainfall days in July:
0.1 days
The average rainfall days in August:
0.2 days
The average rainfall days in September:
0 days
The average rainfall days in October:
0.5 days
The average rainfall days in November:
3.3 days
The average rainfall days in December:
6.3 days

The month with the highest number of rainy days is April (11.3 days).
Months with the lowest number of rainy days are June and September (0 days).

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The month with the longest days is June (Average daylight: 14h).
Months with shortest days are January, February, November and December (Average daylight: 11h).