UV Index in Big Bend, Eswatini

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Big Bend, Eswatini, where sun exposure can significantly impact skin health. With the region's Cfa climate bringing warm weather, being aware of UV levels helps prevent sunburn and long-term skin damage. Throughout the day, UV levels peak around midday, reaching a maximum of 5 between 11:00 AM and 12:00 PM, indicating a higher risk for harmful effects. By monitoring the UV Index, you can enjoy the beautiful outdoors while taking essential precautions to protect your skin.

Hourly UV Index in Big Bend

The UV Index for the day showcases a clear peak during the midday hours, rising from a low of 1 at 07:00 and 08:00. By 09:00, it reaches 2, but the real intensity hits at 10:00, soaring to 4. The maximum exposure occurs around 11:00 and 12:00, both maintaining a 5 on the scale, urging sun-seekers to take precautions. As the afternoon progresses, the index gently declines to 4 at 13:00, then dips further to 3 by 14:00. By the time the clock strikes 15:00, it drops to 2, and the evening sets in with a comfortable 1 at 16:00. After 17:00, the UV Index drops to 0, signaling a safe end to sun-related activities.

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	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	5	moderate	30 min
12:00	5	moderate	30 min
13:00	4	moderate	30 min
14:00	3	moderate	30 min
15:00	2	low	45 min
16:00	1	low	45 min
17:00	0	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Big Bend

The UV Index exhibits significant seasonal changes, with January through March showing extreme levels (UV Index 15-12) and burn times as short as 10 minutes, indicating high risk for overexposure. April and August transition to very high readings (UV Index 9 and 8), with slightly increased burn times of 15 minutes. As summer progresses into June and July, the UV Index moderates to levels between 5 and 6, but the risk remains high (25 minutes burn time) during these months. As fall arrives, September and October return to extreme and very high levels, prompting vigilance with quick burn times. Throughout the year, November and December maintain extreme UV exposure, necessitating continued precautions. Visitors and residents are advised to use sunscreen, wear protective clothing, and seek shade, particularly during the high-risk months from January to March and in the late fall months of October and November.

Monthly Maximum UV Index for Big Bend, Eswatini

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

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

Big Bend's solar exposure compared to other cities in Eswatini. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Big Bend	15	14	12	9	7	5	6	8	9	12	13	14
Manzini UVI	15	14	12	9	7	5	6	8	10	12	13	15
Nhlangano UVI	15	15	13	9	7	5	6	8	10	13	13	15
Malkerns UVI	16	15	13	10	7	5	6	8	10	13	13	15
Mbabane UVI	16	15	13	10	7	5	6	8	10	13	13	15