UV Index in Riyadh, Sudan

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Riyadh, Sudan, where the intense desert sun can pose significant risks to skin health. With UV levels peaking at a staggering 10 during midday, awareness of these levels is essential for preventing sunburn and protecting against long-term skin damage. The city's BWh climate brings hot, arid conditions that contribute to higher UV radiation, making it imperative to stay informed about daily fluctuations in the UV Index. Stay safe and enjoy the sun wisely by keeping an eye on UV levels!

Hourly UV Index in Riyadh

The UV Index journey throughout the day paints a striking picture of sun intensity. Starting at a gentle 2 at 7:00 AM, the rays gradually pick up steam, climbing to 3 at 8:00 AM. The real highlight comes at 10:00 AM, where the index peaks at a blistering 8, reaching its maximum of 10 by 11:00 AM and 12:00 PM. This is the moment to bask in the sunshine—but don't forget your sunscreen! As the afternoon rolls in, the UV Index begins its descent, dropping to 9 at 1:00 PM and tapering off to 4 by 3:00 PM. By the evening, it dwindles down to a safe 1 at 5:00 PM, ultimately settling at 0 by 7:00 PM, marking the end of the day’s sun exposure. Stay protected and enjoy the sunshine responsibly!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	4	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