UV Index in Riyadh, Saudi Arabia

Last updated: June 2, 2025

Understanding the UV Index in Riyadh, Saudi Arabia is vital for safeguarding your skin and overall health in one of the hottest climates globally. As the sun rises over this desert city, UV levels can soar, peaking at a potentially harmful 11 between noon and 1 PM. By being aware of these figures, you can take essential steps to prevent sunburn and long-term skin damage, ensuring you enjoy the warm, sunny days safely. With Riyadh's climate categorized as BWh, the risk of excessive UV exposure calls for vigilance, especially during the intense midday sun when the UV Index reaches its highest values. Stay informed and protect your skin!

Hourly UV Index in Riyadh

The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Riyadh

Throughout the year, UV levels fluctuate significantly, leading to varying risks for sun exposure. High-risk months include February through September, where the UV Index reaches very high to extreme levels, peaking in May and June with an Index of 12 and 11, respectively, offering a burn time of just 10 minutes. As the season transitions into October, the Index begins to decrease but still remains in the very high category at 9. Visitors and residents are advised to take necessary precautions during peak UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours. Staying informed and vigilant can significantly reduce the chances of sunburns and long-term skin damage.

Monthly Maximum UV Index for Riyadh, Saudi Arabia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Riyadh. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Riyadh, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Riyadh UV Index with Other Saudi Arabia Cities

The table above highlights how UV exposure in Riyadh compares to other major locations across Saudi Arabia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Riyadh's solar exposure compared to other cities in Saudi Arabia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Riyadh	7	8	10	10	12	11	11	10	11	9	7	6
Mecca UVI	8	9	11	12	13	11	11	11	10	10	8	7
Jeddah UVI	8	9	11	12	13	11	11	11	10	10	8	6
Sultanah UVI	7	9	11	12	12	12	12	11	11	9	8	6
Medina UVI	7	9	11	12	12	12	12	11	11	9	8	6