UV Index in Unaizah, Saudi Arabia

Last updated: July 2, 2025

Awareness of the UV Index in Unaizah, Saudi Arabia is crucial for maintaining skin health and preventing sunburn, especially in this arid BWh climate where UV levels can reach their peak. Understanding the intensity of ultraviolet radiation not only helps you plan your outdoor activities more safely but also protects against long-term skin damage. With daily UV Index readings peaking at 12 around noon, residents and visitors should be especially vigilant during these hours to minimize exposure risks and enjoy the sunny beauty of Unaizah responsibly.

Hourly UV Index in Unaizah

The UV Index presents a striking profile throughout the day, peaking dramatically from 11:00 AM to 12:00 PM with a maximum value of 12, indicating an intense level of solar radiation. Early risers will notice a more moderate ascent as the index starts at 2 at 07:00 AM, gradually climbing to 3 by 08:00 AM. The real intensity begins at 09:00 AM, surging to 6 before reaching a zenith of 11 by 11:00 AM. As the sun begins to dip post-noon, the index recedes to 9 at 02:00 PM, then gently descends to 6 by 03:00 PM, and continues its downward trend to settle at 0 by 07:00 PM. This data emphasizes the importance of sun protection during the peak hours when ultraviolet radiation is most potent.

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	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Unaizah

Throughout the year, UV levels show significant seasonal variations, peaking during the warmer months from March to September. March marks the beginning of high-risk UV exposure with an extreme index of 11, continuing through to August where it remains at 12. The high-risk months for UV exposure are February to October, with March to July being notably extreme. During these months, the burn time for unprotected skin is as short as 10 minutes, underscoring the importance of sun protection measures. Residents and visitors are advised to wear sunscreen, don protective clothing, and seek shade during peak hours to minimize health risks from UV radiation. As fall approaches, UV levels gradually decrease, but caution is still warranted in October as the index remains very high at 9.

Monthly Maximum UV Index for Unaizah, Saudi Arabia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Unaizah. 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 Unaizah, 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 Unaizah UV Index with Other Saudi Arabia Cities

The table above highlights how UV exposure in Unaizah 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.

Unaizah'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 UVI	7	8	10	10	12	11	11	10	11	9	7	6
Unaizah	7	8	11	10	12	12	12	11	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