UV Index in Antalaha, Madagascar

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Antalaha, Madagascar, where the tropical climate brings high levels of solar exposure. As the sun rises, UV levels can quickly reach dangerous heights, peaking at 9 around noon, highlighting the importance of awareness in preventing sunburn and protecting overall skin health. With typical weather conditions characteristic of the Af climate zone, it’s essential to stay informed about UV risks to ensure safe outdoor activities and maintain your well-being under the strong Malagasy sun.

Hourly UV Index in Antalaha

The UV Index today paints a vivid picture of sunlight intensity throughout the hours. Starting off gently at 07:00 with a low of 1, the sun begins to rise in strength, peaking at a formidable 9 by 12:00. This midday burst of UV radiation marks the day’s high, urging outdoor enthusiasts to bask in the rays while taking necessary precautions. As the afternoon progresses, the index gradually wanes—falling to 5 by 14:00 and then dipping further to 2 by 15:00. By 18:00, UV exposure is virtually nonexistent, resting at a 0. Plan your day accordingly to enjoy the brightest moments safely!

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	5	moderate	30 min
10:00	7	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	7	high	25 min
14:00	5	moderate	30 min
15:00	2	low	45 min
16:00	1	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 Antalaha

The seasonal UV changes indicate that the UV Index remains extremely high from January through April, consistently at 16, with a rapid shift to a very high index in May and June at 10. The risk of UV exposure remains significant from July to October, where the index fluctuates between 9 and 13. High-risk months to be particularly cautious are the first four months (January to April) and during August to October, where the UV index values are extreme to very high. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak daylight hours, to minimize the risk of skin damage and heat-related illnesses.

Monthly Maximum UV Index for Antalaha, Madagascar

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

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

Antalaha's solar exposure compared to other cities in Madagascar. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Toamasina UVI	16	16	15	12	9	7	8	10	12	12	13	15
Fianarantsoa UVI	17	17	15	12	9	7	8	10	12	13	14	16
Mahajanga UVI	16	16	15	13	10	8	9	11	12	12	13	15
Antalaha	16	16	16	13	10	9	9	11	13	13	13	15
Antananarivo UVI	17	17	15	12	10	8	9	11	13	13	14	16
Antsirabe UVI	17	17	16	13	10	8	9	11	13	13	14	16