UV Index in Tsaratanana, Madagascar

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Tsaratanana, Madagascar due to the area's unique climate and elevated sun exposure risks. With maximum UV levels often peaking at 9 around noon, awareness of these levels can significantly aid in sunburn prevention and promote long-term skin health. Tsaratanana's climate, characterized by its tropical conditions, creates an environment where harmful UV rays can lead to serious skin issues if precautions are not taken. Equip yourself with the knowledge to enjoy the beautiful outdoors safely!

Hourly UV Index in Tsaratanana

The UV Index rises sharply as the day unfolds, starting at a gentle 1 at 7:00 AM and reaching its peak of 9 by 12:00 PM. As the sun climbs higher, the index soars to 8 around 11:00 AM, urging early risers to seek shade and apply sunscreen. This intensity begins to wane in the afternoon, dropping to 6 by 2:00 PM and then steadily declining as evening approaches. By 6:00 PM, the UV Index falls to 0, indicating a safe reprieve from harmful rays. Planning outdoor activities? Midday is the most critical time for sun safety!

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	10	very high	15 min
14:00	7	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 Tsaratanana

Throughout the year, UV Index levels exhibit significant fluctuations, peaking during the early months. High-risk months occur from January to April, when the UV Index remains at extreme levels (17-13) with a short burn time of just 10 minutes. As we transition into late spring and summer, the UV Index drops somewhat to very high levels (10-8) in May to July, extending the burn time to 15 minutes. Notably, the risk rises again in August and September with UV Index values climbing back to the extreme category. October through December also sees high UV levels, necessitating continued vigilance. Visitors and residents are advised to take precautions during all months, especially in high-risk periods, by wearing protective clothing, using sunscreen, and seeking shade to minimize UV exposure and skin damage.

Monthly Maximum UV Index for Tsaratanana, Madagascar

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

The table above highlights how UV exposure in Tsaratanana 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.

Tsaratanana'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
Antananarivo UVI	17	17	15	12	10	8	9	11	13	13	14	16
Tsaratanana	17	17	16	13	10	8	9	12	13	13	14	15
Antsirabe UVI	17	17	16	13	10	8	9	11	13	13	14	16