UV Index in Riyadh, Sudan

Last updated: May 3, 2025

In Riyadh, Sudan, understanding the UV Index is crucial for protecting your skin and overall health. High UV levels can lead to serious consequences such as sunburn and long-term skin damage. With the climate in Riyadh classified as BWh, residents face significant UV exposure, particularly during peak hours when the index can reach a staggering 12. By staying informed about daily UV levels, individuals can take appropriate precautions, ensuring enjoyable and safe outdoor activities while minimizing the risk of harmful effects from the sun.

Hourly UV Index in Riyadh

At dawn, the sun's rays begin gently, with a UV Index of 2 at 07:00. As the morning progresses, this value steadily climbs, reaching 4 by 08:00 and peaking at a robust 12 by noon. The highest intensity occurs between 11:00 and 12:00, where caution is advised under the relentless sun. Following this peak, the index slightly decreases to 11 at 13:00 and dips further to 8 by 14:00, signifying a gradual retreat of UV strength. The afternoon winds down with safer levels, dropping to 5 at 15:00, and continuing its decline to 2 by 16:00. As the evening sets in, UV exposure tapers off dramatically, falling to 1 by 17:00, and fading into 0 at 19:00. Always remember to protect your skin during those peak hours!

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	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 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

The UV Index demonstrates significant seasonal fluctuations, with the highest risk months occurring between February and October, where the index remains at 11 or higher, categorized as extreme. Specifically, the months of March, April, May, July, August, September, and October present a UV Index of 11 or 13, necessitating minimal exposure times of just 10 minutes. In contrast, January, June, November, and December experience lower levels, classified as very high with longer burn times of 15 minutes. Visitors and residents are strongly advised to take precautionary measures during peak UV periods: seek shade, wear protective clothing, and apply sunscreen with a high SPF, especially during the midday hours when UV exposure is at its peak.

Monthly Maximum UV Index for Riyadh, Sudan

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 Sudan Cities

The table above highlights how UV exposure in Riyadh compares to other major locations across Sudan. 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 Sudan. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Port Sudan UVI	8	10	12	12	13	10	11	10	11	10	8	7
Riyadh	9	11	13	13	13	10	11	11	11	11	9	8
Omdurman UVI	9	11	13	13	13	10	11	11	11	11	9	8
Khartoum UVI	9	11	13	13	13	10	11	11	11	11	9	8
Kassala UVI	10	12	14	13	14	11	11	12	11	11	10	9
Nyala UVI	11	12	14	13	12	12	14	14	13	12	10	10