UV Index in Mumbai, India

Last updated: July 2, 2025

In Mumbai, India, understanding the UV Index is crucial for safeguarding your skin health amid the city’s tropical climate. With UV levels peaking at a staggering 13 around noon, awareness of these ultraviolet radiation levels can play a pivotal role in preventing sunburns and reducing long-term skin damage. As residents and visitors enjoy the vibrant streets and sun-kissed beaches, recognizing the risks associated with high UV exposure—especially during peak hours—becomes essential for a safe and enjoyable experience outdoors. Stay informed, stay protected!

Hourly UV Index in Mumbai

The UV Index throughout the day reveals striking fluctuations, peaking at a blistering 13 at noon. Starting under gentle conditions at 07:00 with a maximum of 1, the UV intensity gradually climbs, hitting 3 by 08:00. As the sun ascends, it reaches 6 at 09:00 and skyrockets to 11 by 11:00, warning sun seekers to take precautions. The pinnacle occurs at 12:00, where a relentless 13 signals the need for protective measures. The index then begins a steady decline, dipping to 12 by 13:00, before descending further to 10 at 14:00, and tapering off to 4 by 16:00. As twilight approaches, the UV levels fall swiftly, reaching a safe 0 by 19:00, reminding us of the sun's fleeting power and the importance of sun safety during those peak hours.

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:003moderate30 min
09:006high25 min
10:009very high15 min
11:0011extreme10 min
12:0013extreme10 min
13:0012extreme10 min
14:0010very high15 min
15:007high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Mumbai

The UV Index experiences significant seasonal fluctuations, with the highest risk occurring from March to September. During these months, especially from April through August, the UV Index reaches extreme levels, peaking at 13 in July and August, where the burn time is only 10 minutes. Notably, April and May also maintain high indices at 11. Conversely, the UV levels decrease as fall approaches, with October showing a 10 and November and December at 7, allowing for longer burn times of 25 minutes. Visitors and residents are strongly advised to take precautions, especially during the high-risk months of April to September, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours to reduce the risk of skin damage.

Monthly Maximum UV Index for Mumbai, India

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Mumbai. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec89101111121313111077
Data source: Statistical UV Index data for Mumbai, 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 Mumbai UV Index with Other India Cities

The table above highlights how UV exposure in Mumbai compares to other major locations across India. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Mumbai's solar exposure compared to other cities in India. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Delhi UVI56910101012129855
Mumbai89101111121313111077
Ahmedabad UVI78101211121313111076
Hyderabad UVI1011121113131514131188
Bengaluru UVI111313141314141414121110