UV Index in Douglas, South Africa

Last updated: May 3, 2025

Understanding the UV Index in Douglas, South Africa, is crucial for protecting your skin and overall health. With the region's BSh climate, residents and visitors alike should be aware of varying UV levels throughout the day, which can lead to sunburn and long-term skin damage. Between the increasing indices peaking at 7 around midday, it's important to take precautions during peak hours. Staying informed about the UV Index not only helps prevent immediate discomfort but also contributes to better skin health over time, ensuring you enjoy the sunny outdoor lifestyle safely!

Hourly UV Index in Douglas

The UV Index data reveals a significant fluctuation in solar intensity throughout the day. Starting at 07:00, the index registers a low 1, indicating minimal risk. As the sun climbs higher, it peaks dramatically at 12:00 with a 7, categorizing it as high. This midday zenith is crucial for outdoor activities; however, caution is advised. The afternoon sees a slight decline, dropping to 3 by 15:00, and eventually receding to 0 after 18:00. Thus, while the early hours offer safe sun exposure, midday warrants protective measures to shield against harmful UV rays.

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	6	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	5	moderate	30 min
15:00	3	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 Douglas

Throughout the year, seasonal UV changes reveal distinct patterns, with January to April showing extreme and very high UV Index levels. High-risk months are evident from January to November, where the UV Index remains notably elevated. Particularly concerning are February and November, with UV Index readings of 16, and March and October, at 13. Visitors and residents should take precautions, especially from January through April and again during September through November when burn times can drop to as low as 10 minutes. It's essential to wear protective clothing, seek shade, and apply broad-spectrum sunscreen diligently when exposure to sunlight is unavoidable. During the summer months of June and July, while the UV Index decreases to moderate levels, caution is still advised as safe sun practices should remain a priority.

Monthly Maximum UV Index for Douglas, South Africa

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

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

Douglas's solar exposure compared to other cities in South Africa. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cape Town UVI	14	13	11	8	5	3	4	6	9	11	12	14
Durban UVI	14	13	12	9	6	4	5	7	9	11	13	15
Douglas	15	16	13	10	7	5	5	8	11	13	14	16
Johannesburg UVI	15	15	13	10	7	6	6	8	11	12	14	16
Pretoria UVI	16	15	13	10	7	6	6	9	11	13	14	16
Soweto UVI	16	15	13	11	7	6	6	8	11	13	15	16