UV Index in Hawai, India

Last updated: August 1, 2025

Understanding the UV Index in Hawai is crucial for maintaining skin health and preventing sunburn. High UV levels can lead to significant skin damage and increase the risk of skin cancer, making it essential to monitor these levels during outdoor activities. In Hawai, with its tropical highland climate (Cwb), the sun's intensity can reach alarming levels, particularly between 10 AM and 1 PM when the UV Index peaks at a staggering 15. By staying informed about the UV Index, residents and visitors alike can take proactive steps to protect themselves from harmful ultraviolet rays and enjoy the beautiful Hawaiian sun safely.

Hourly UV Index in Hawai

The UV Index for the day paints a vivid picture of sun intensity, starting at 6 at 7:00 AM and escalating dramatically to a peak of 15 by 10:00 AM and 11:00 AM. As the sun reaches its zenith, the index remains high at 13 just past noon but begins to taper off, dropping to 10 by 1:00 PM. Following this midday high, the UV levels decline significantly, dropping to 6 by 2:00 PM, before plummeting to 3 at 3:00 PM, and finally easing to 1 by late afternoon. As evening approaches, the index falls to 0 by 6:00 PM, indicating a safe time to enjoy the outdoors without concern for UV exposure. Plan your sun protection accordingly, especially 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.
Time	UVI	Category	Time to Burn
07:00	5	moderate	30 min
08:00	9	very high	15 min
09:00	12	extreme	10 min
10:00	14	extreme	10 min
11:00	14	extreme	10 min
12:00	12	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 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 Hawai

Throughout the year, UV levels display significant seasonal variation, with high-risk months predominantly from February to October, where UV Index readings frequently reach very high to extreme categories. March to September records the highest UV Index values, peaking at 15 in June and July, corresponding to a burn time of merely 10 minutes. As a precaution, it is advisable for both visitors and residents to minimize sun exposure during these high-risk months, particularly around midday when UV rays are strongest. Wearing protective clothing, using broad-spectrum sunscreen with high SPF, and seeking shade can help mitigate the harmful effects of UV radiation, ensuring a safer outdoor experience.

Monthly Maximum UV Index for Hawai, India

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

The table above highlights how UV exposure in Hawai 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.

Hawai's solar exposure compared to other cities in India. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Delhi UVI	5	6	9	10	10	10	12	12	9	8	5	5
Mumbai UVI	8	9	10	11	11	12	13	13	11	10	7	7
Ahmedabad UVI	7	8	10	12	11	12	13	13	11	10	7	6
Hyderabad UVI	10	11	12	11	13	13	15	14	13	11	8	8
Hawai	7	9	11	13	14	15	15	14	13	11	9	6
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10