UV Index in Accra, Ghana

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Accra, Ghana, where the sun's intensity can lead to significant health risks. With high UV levels peaking around midday—soaring to a maximum of 11—it becomes vital to comprehend these fluctuations to prevent sunburn and promote overall skin health. Accra's tropical climate means that UV exposure is a constant concern, especially during the dry season when clear skies dominate. By staying informed about the UV Index, you can take proactive steps to protect yourself and enjoy the outdoors safely.

Hourly UV Index in Accra

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	45 min
08:00	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 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 Accra

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 Accra, Ghana

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

The table above highlights how UV exposure in Accra 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.

Accra'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
Accra	10	11	12	14	13	12	11	12	12	12	10	9
Atsiaman 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