UV Index in Karoi, Zimbabwe

Last updated: July 2, 2025

Understanding the UV Index is crucial for the residents of Karoi, Zimbabwe, where high levels of ultraviolet radiation can pose significant risks to skin health. With the sun’s rays peak at an impressive UV Index of 9 around noon, awareness of these levels is essential for protecting against sunburn and long-term skin damage. Karoi's Cwa climate brings a distinct dry season, resulting in intense sun exposure during peak hours. By keeping an eye on the UV Index, you can enjoy the beautiful sunny days while taking the necessary precautions to safeguard your skin.

Hourly UV Index in Karoi

The UV index throughout the day exhibits a dynamic rise and fall, reflecting the sun's intensity. At 07:00, the index starts low at 1, gradually climbing to 2 by 08:00. By 09:00, it reaches a moderate 4, but excitement peaks at 12:00 with a striking 9, indicating a high risk for unprotected skin. The intensity tapers down after this noon pinnacle—falling to 8 at 13:00, then 6 at 14:00. As afternoon turns to evening, the index diminishes significantly, settling at 4 by 15:00, dropping to 2 at 16:00, and finally winding down to 1 by 17:00. As the sun sets, the index recedes completely, hitting 0 by 18:00, leaving a tranquil end to the day. Remember, during peak times, sun protection is crucial!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	4	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 Karoi

Throughout the year, the UV Index in this region showcases significant seasonal fluctuations, predominantly remaining in the extreme to very high category. The high-risk months for UV exposure are January to April and August to November, where the index consistently peaks at 18 in January and maintains values of 15 to 17 through March and 11 to 15 in November. Visitors and residents should exercise heightened caution during these months, as burn times can be as short as 10 minutes during peak conditions. It is crucial to wear appropriate sun protection such as hats, sunglasses, and broad-spectrum sunscreen, particularly when engaging in outdoor activities. Staying informed about daily UV forecasts can help mitigate the risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Karoi, Zimbabwe

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

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

Karoi's solar exposure compared to other cities in Zimbabwe. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bulawayo UVI	17	16	14	12	9	8	8	10	12	13	15	15
Mutare UVI	17	16	14	12	10	8	8	10	12	13	15	15
Gweru UVI	17	16	14	12	10	8	8	10	12	13	15	15
Chitungwiza UVI	17	16	14	13	10	9	8	10	12	13	15	15
Harare UVI	18	16	14	13	10	9	8	11	12	12	15	15
Karoi	18	17	15	13	10	9	9	11	12	12	15	16