UV Index in Yonibana, Sierra Leone

Last updated: June 2, 2025

Understanding the UV Index in Yonibana, Sierra Leone is crucial for everyone looking to protect their skin from harmful UV radiation. In this tropical climate, where the sun shines intensely, awareness of UV levels can help prevent sunburn and long-term skin damage. With UV Index readings peaking at 12 around midday, the risks associated with sun exposure are significant, making it essential to stay informed. By paying attention to UV levels, residents and visitors alike can adopt prudent sun safety measures, ensuring a healthier and more enjoyable outdoor experience in Yonibana's vibrant environment.

Hourly UV Index in Yonibana

The UV Index reveals a striking peak of intensity around midday, starting from a mild 1 at 07:00 and 08:00, before climbing dramatically to 12 by noon. From 10:00 onwards, outdoor enthusiasts should pay attention as the readings soar, hitting their climax at 12 between 12:00 and 13:00. As the afternoon wanes, the values slowly descend: 11 at 14:00, 8 at 15:00, and tapering down to 5 at 16:00. By the evening, the UV Index drops back to a safe 1 by 18:00. It's clear that the sun commands respect during the peak hours, so stay protected and enjoy your 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Yonibana

Throughout the year, the UV Index experiences significant changes, peaking in the summer months and indicating a higher risk of skin damage. The high-risk months for UV exposure are from March to October, where the UV Index consistently reaches extreme levels of 11 to 13, with a rapid burn time of only 10 minutes. Specifically, May to September sees the highest UV levels, prompting precautionary measures. In contrast, November to February presents a marginal decrease, with UV Index values dropping back to 10, categorized as very high. Visitors and residents are strongly advised to take protective actions, such as wearing sunscreen, protective clothing, and sunglasses, especially during the peak UV months, to reduce the risk of UV-related health issues.

Monthly Maximum UV Index for Yonibana, Sierra Leone

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

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

Yonibana's solar exposure compared to other cities in Sierra Leone. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Freetown UVI	10	11	11	12	13	12	13	13	13	12	10	9
Yonibana	10	11	11	12	13	12	13	13	13	12	10	10
Bo UVI	10	11	11	13	13	12	12	13	13	12	10	10
Makeni UVI	10	11	11	12	13	13	13	13	14	12	10	9
Kenema UVI	11	11	11	13	13	12	13	13	13	12	10	10
Koidu UVI	11	11	12	13	13	13	13	13	14	12	10	10