UV Index in An Najd, Yemen

Last updated: July 2, 2025

In An Najd, Yemen, staying aware of the UV Index is essential for safeguarding your skin health. Understanding the levels of UV radiation can help you prevent sunburn and reduce your risk of long-term skin damage. With An Najd's BWk climate—characterized by hot, arid conditions—UV exposure can reach dangerously high levels, especially during midday when the index peaks at a staggering 13. By keeping an eye on the UV Index, you can take proactive measures to protect yourself and enjoy the abundant sunshine safely.

Hourly UV Index in An Najd

The UV Index data reveals a dynamic fluctuation throughout the day, peaking at a maximum of 13 around noon. The morning starts off gently, with readings of only 1 at 07:00 and 3 by 08:00, perfect for early risers. However, as the sun ascends, the intensity rises sharply, hitting a critical 10 by 10:00 and reaching its zenith at 12 by 11:00 and 13 by 12:00. The afternoon sees a gradual decline, with values dropping to 9 at 14:00, and then further sliding to 6 by 15:00. As evening approaches, the UV Index dwindles to 3 by 16:00, and finally tails off to 1 by 17:00, nurturing a calmer end to the day. With clear awareness of these fluctuations, individuals can effectively plan their outdoor activities, ensuring protection during the most intense 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 An Najd

The UV Index experiences significant seasonal changes, peaking between January and May, where it consistently remains in the extreme category, with values between 12 and 15. March, April, and May are particularly high-risk months, all holding a UV Index of 15 and a rapid burn time of just 10 minutes. Even during the summer, from June to September, the UV Index remains elevated at 13, requiring caution. As we move into October and November, though the index slightly decreases to 13 and 11 respectively, it remains in the extreme range. December marks the transition to a very high category at 10, with a longer burn time of 15 minutes. Visitors and residents are advised to take strict sun safety precautions throughout the year, particularly in these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours.

Monthly Maximum UV Index for An Najd, Yemen

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

The table above highlights how UV exposure in An Najd 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.

An Najd'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
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
An Najd	12	14	15	15	15	13	13	13	13	13	11	10
Sanaa UVI	12	13	15	16	15	14	13	13	14	13	11	10