UV Index in Bolgatanga, Ghana

Last updated: May 3, 2025

In Bolgatanga, Ghana, being aware of the UV Index is essential for safeguarding your skin and overall health. With intense sunlight prevalent in this Aw climate zone, understanding UV levels helps prevent sunburn and long-term skin damage. From late morning to early afternoon, UV exposure can reach alarming levels, peaking at 12 around noon. By staying informed about the UV Index, residents and visitors alike can take proactive measures to enjoy the sunshine safely while protecting their skin.

Hourly UV Index in Bolgatanga

At 07:00, the UV Index starts with a mild rating of 1, making it safe for morning activities. However, as the sun rises, it quickly gains intensity, peaking at a striking 12 by 12:00—the highest point of the day. The sun’s rays are strongest between 10:00 and 13:00, with a critical UV level of 11 at 11:00. As the afternoon progresses, the index begins to wane, dropping to 8 by 14:00, and further declining to 5 by 15:00. By 17:00, the UV Index decreases to a safer 1, paving the way for evening activities under less harsh sunlight. As night falls, the UV activity fades to 0 at 19:00, offering a gentle reminder of the sun's powerful presence during the day.

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	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 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 Bolgatanga

The UV Index shows extreme levels from January to October, with highest risk months in August and September, where the UV Index peaks at 14 and burn time is just 10 minutes. Visitors and residents should take precautionary measures during these months, including wearing sunscreen, hats, and protective clothing, as well as seeking shade during peak sun hours. Even in November and December, the UV Index remains very high, emphasizing the need for ongoing sun protection throughout the year. Be mindful of your exposure, as even short periods in the sun can lead to skin damage.

Monthly Maximum UV Index for Bolgatanga, Ghana

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

The table above highlights how UV exposure in Bolgatanga 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.

Bolgatanga'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 UVI	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
Bolgatanga	11	11	12	13	12	13	13	14	14	12	10	9