UV Index in Riasi, India

Last updated: July 2, 2025

Understanding the UV Index is crucial for protecting skin health in Riasi, India, a region characterized by a Cwa climate that brings intense sunlight, particularly during the summer months. As UV levels can rise significantly—reaching a peak index of 12 around midday—awareness of these levels is essential for sunburn prevention and minimizing long-term skin damage. With UV levels fluctuating throughout the day, knowing when to seek shade and apply sunscreen can greatly reduce the risks associated with sun exposure, ensuring that residents and visitors alike can enjoy the sunny days in Riasi safely.

Hourly UV Index in Riasi

As the sun rises, the UV Index begins to climb steadily, starting at a gentle 2 at 07:00. By 08:00, it ramps up to 4, indicating a moderate risk of harm from unprotected sun exposure. The real intensity kicks in at 09:00, reaching a high of 7, and peaks at 11:00 and 12:00, where it hits a maximum of 12, signaling a very high risk. As the afternoon progresses, the index gradually declines: it slips to 10 at 14:00, then drops to 7 by 15:00. The evening brings relief, with readings falling to 4 at 16:00, and winding down to 2 by 17:00 and finally 1 by 19:00. It's a reminder that while the peak sun hours pose significant risk, the latter part of the day offers a reprieve from the intense UV exposure.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Riasi

Throughout the year, UV Index levels exhibit notable seasonal variation, with high-risk months primarily occurring from March to August. During this period, the UV Index peaks, reaching extremities of 12 in May, July, and August, indicating an extreme exposure category with a burn time as short as 10 minutes. Residents and visitors should exercise heightened caution during these months, seeking shade, wearing protective clothing, and applying sunscreen liberally. In contrast, the fall and winter months of November, December, and January present lower UV risks, where the index drops to 5 or less, and burn times extend up to 30 minutes. It remains advisable for everyone to stay aware of daily UV levels, especially as they approach the higher thresholds.

Monthly Maximum UV Index for Riasi, India

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

The table above highlights how UV exposure in Riasi 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.

Riasi'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
Riasi	5	6	10	10	12	11	12	12	10	8	5	4
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
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10