UV Index in Atsiaman, Ghana

Last updated: February 8, 2026

Understanding the UV Index is crucial for residents and visitors in Atsiaman, Ghana, where the climate falls within the tropical Aw zone. With peak UV levels often reaching 10-11 in midday hours, knowledge of the UV Index can play a significant role in sunburn prevention and overall skin health. As sunlight exposure can vary throughout the day, being aware of UV levels helps you take necessary precautions during the hottest hours, safeguarding your skin against harmful effects. In Atsiaman, where the sun shines brightly and consistently, staying informed about UV exposure risks is essential for maintaining your well-being.

Hourly UV Index in Atsiaman

At dawn, the UV Index starts off low at 1 by 7:00 AM, but as the day unfolds, it quickly rises. By 10:00 AM, it hits 8, reaching peak intensity at noon with an index of 11. As the afternoon progresses, the UV levels begin to drop, stabilizing at 10 shortly after noon before gently declining to 5 by 3:00 PM. The sun’s influence wanes further as evening approaches, tapering down to 1 by 5:00 PM and finally dissipating to 0 by 7:00 PM. This fluctuation highlights the importance of sun protection during peak hours, especially between 10 AM and 2 PM when UV exposure is at its highest.

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	60+ minutes
08:00	2	low	60+ minutes
09:00	4	moderate	30–60 min
10:00	7	high	15–30 min
11:00	10	very high	10–15 min
12:00	11	extreme	<10 minutes
13:00	10	very high	10–15 min
14:00	8	very high	10–15 min
15:00	5	moderate	30–60 min
16:00	2	low	60+ minutes
17:00	1	low	60+ minutes
18:00	1	low	60+ minutes
19:00	0	low	60+ minutes

Monthly UV Index Trends in Atsiaman

Throughout the year, UV Index levels exhibit significant seasonal variation, peaking in the spring and summer months. From January to March, UV exposure starts very high to extreme, but it escalates further in April and May with an index of 14 and 13, respectively. The high-risk months from March to October consistently show extreme levels, with burn times as short as 10 minutes throughout this period. Consequently, visitors and residents should take precautionary measures during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours, to reduce the risk of harmful UV exposure. As the year progresses into November and December, the UV Index begins to decline, though caution should still be exercised as levels remain very high.

Monthly Maximum UV Index for Atsiaman, Ghana

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

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

Atsiaman's solar exposure compared to other cities in Ghana. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Atsiaman	10	11	12	14	13	12	11	12	12	12	10	9
Accra UVI	10	11	12	14	13	12	11	12	12	12	10	9
Takoradi UVI	10	11	12	14	13	12	11	12	12	12	10	9
Kumasi UVI	10	11	12	14	13	13	12	12	13	12	10	9
Tamale UVI	10	11	12	13	12	13	13	13	13	12	10	9