UV Index in Ja`ar, Yemen

Last updated: July 2, 2025

In **Jaar, Yemen**, being aware of the **UV Index** is crucial for protecting your skin from harmful solar radiation. Understanding the **UV levels** throughout the day can help you prevent sunburn and maintain long-term skin health. With a **BWh climate** characterized by warm and sunny conditions, Jaar experiences elevated UV exposure, particularly during midday hours when readings soar to a maximum of 12. By staying informed about the UV Index, you can take proactive measures to safeguard yourself and enjoy the beautiful outdoor environment safely.

Hourly UV Index in Ja`ar

At 07:00, the UV Index starts with a mild rating of 1, making it safe for morning activities. However, as the sun rises, it quickly gains intensity, peaking at a striking 12 by 12:00—the highest point of the day. The sun’s rays are strongest between 10:00 and 13:00, with a critical UV level of 11 at 11:00. As the afternoon progresses, the index begins to wane, dropping to 8 by 14:00, and further declining to 5 by 15:00. By 17:00, the UV Index decreases to a safer 1, paving the way for evening activities under less harsh sunlight. As night falls, the UV activity fades to 0 at 19:00, offering a gentle reminder of the sun's powerful presence during the day.

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	1	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	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 Ja`ar

Throughout the year, UV Index values fluctuate significantly, with high-risk months occurring primarily from February to September. During this period, the UV Index often reaches extreme levels, peaking at 14 in April and May, which poses a serious risk for sunburn within as little as 10 minutes of unprotected exposure. January, June, and November still present higher risks with very high UV indices of 10, necessitating caution. As October and December approach, the UV levels gradually decrease, yet they still require vigilance, especially as burn times remain short. Visitors and residents are advised to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak sun hours, particularly from February to September, to minimize the risk of skin damage.

Monthly Maximum UV Index for Ja`ar, Yemen

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ja`ar. 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 Ja`ar, 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 Ja`ar UV Index with Other Yemen Cities

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

Ja`ar's solar exposure compared to other cities in Yemen. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Al Hudaydah UVI	9	10	11	13	12	10	9	9	9	9	8	8
Aden UVI	10	11	13	14	13	10	11	12	10	10	9	9
Ja`ar	10	12	13	14	14	10	12	12	11	11	10	9
Taiz UVI	10	12	13	14	13	10	12	12	11	11	10	9
Mukalla UVI	11	12	13	14	14	12	12	12	12	11	10	9
Sanaa UVI	12	13	15	16	15	14	13	13	14	13	11	10