UV Index in Haswayn, Yemen

Last updated: July 2, 2025

Understanding the UV Index in Haswayn, Yemen is crucial for protecting your skin and overall health. With the local climate falling under the BWh category, residents and visitors alike face notable risks from sun exposure. Knowledge of UV levels helps in prevention of sunburn and long-term skin damage, especially when indices peak at 11 during midday. By staying informed about daily UV fluctuations, you can take proactive measures to enjoy the sun safely while minimizing harmful effects.

Hourly UV Index in Haswayn

The UV Index of the day begins modestly, peaking at 2 by 07:00. As the sun rises higher, the intensity escalates quickly, reaching 4 at 08:00 and skyrocketing to a striking 9 by 10:00. The 11:00 and 12:00 hours see the highest values, each hitting 11, signaling a crucial time for sun protection. A gradual decline starts at 13:00 with a drop to 10, followed by 7 at 14:00. By 15:00, the UV Index decreases to 4 and continues to fall, hitting 2 by 16:00, and finally sinking to 1 by 17:00 before dipping to 0 from 18:00 onwards. This data illustrates the importance of vigilance during the midday hours when UV exposure is at its peak.

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	7	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Haswayn

Throughout the year, UV index levels fluctuate significantly, peaking from February to September where they consistently fall within the extreme exposure category. The highest UV index occurs in April with a value of 14, correlating with a minimal burn time of just 10 minutes. High-risk months include February through September, when residents and visitors should exercise extra caution, as even brief sun exposure can lead to skin damage. It is advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak hours to minimize the risk of UV-related harm. As the year progresses, UV levels begin to decline in October, stabilizing in November and December with very high but more manageable indices of 10 and 9, respectively, allowing for a little more leeway in outdoor activities during those months.

Monthly Maximum UV Index for Haswayn, Yemen

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

The table above highlights how UV exposure in Haswayn 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.

Haswayn'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
Haswayn	10	12	13	14	12	12	11	11	12	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