UV Index in Arsenal, Mauritius

Last updated: July 2, 2025

In Arsenal, Mauritius, being aware of the UV Index is crucial to safeguarding your skin and overall health. The UV Index reveals the strength of ultraviolet radiation from the sun, which can lead to sunburn and long-term skin damage if protective measures aren’t taken. With a tropical climate that often brings high UV levels, especially during midday hours when readings can peak at 8, understanding these UV levels becomes essential for outdoor enthusiasts and sunbathers alike. Stay informed—protect your skin and enjoy the beautiful Mauritius sun safely!

Hourly UV Index in Arsenal

At sunrise, the UV Index begins at a gentle 1 at 07:00, rising gradually as the sun climbs higher. By 09:00, it reaches 3, indicating a moderate level of UV radiation. The heat of the day peaks at 12:00 with a high of 8, suggesting it’s time to seek shade or apply sunscreen. As the afternoon progresses, the index slightly drops to 7 at 13:00 and continues to decline, settling at 3 by 15:00. As the sun starts to set, the risk diminishing to 1 at 17:00 and finally dropping to 0 by 18:00, signaling a safer time for outdoor activities as the day winds down. Be mindful of the midday sun to protect your skin!

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	5	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	3	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 Arsenal

The UV Index experiences significant seasonal variations, peaking in the early months of the year. From January to April, the UV Index remains at an extreme level, ranging from 16 to 12, with a minimal burn time of just 10 minutes. As we transition into late spring and summer, the UV Index slightly decreases, reaching a very high level of 9 in May and fluctuating between 7 to 10 in June to August, resulting in burn times of 15 to 25 minutes. However, the risk remains elevated, with September to December witnessing a return to extreme levels once again, particularly in November at 14. Visitors and residents should be particularly cautious during the high-risk months of January to April and September to November, ensuring they take appropriate sun safety measures, such as wearing protective clothing, applying sunscreen, and limiting direct sun exposure during peak hours.

Monthly Maximum UV Index for Arsenal, Mauritius

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

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

Arsenal's solar exposure compared to other cities in Mauritius. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Quatre Bornes UVI	16	16	14	12	9	7	8	10	11	13	14	15
Curepipe UVI	16	16	14	12	9	7	8	10	11	13	14	15
Vacoas UVI	16	16	14	12	9	7	8	10	11	13	14	15
Beau Bassin-Rose Hill UVI	16	16	14	12	9	7	8	10	11	13	14	15
Port Louis UVI	16	16	14	12	9	7	8	10	11	13	14	15
Arsenal	16	17	14	12	9	7	8	10	11	13	14	15