UV Index in Katihar, India

Last updated: June 2, 2025

Understanding the UV Index in Katihar, India is crucial for protecting your skin and overall health. With the region's Cwa climate, residents and visitors alike face significant UV exposure, especially during midday hours when levels can reach a peak of 11. This heightened UV intensity makes it vital to be aware of sunburn risks and take necessary precautions to safeguard against skin damage. By understanding the daily fluctuations in UV levels, particularly from 8 AM to 1 PM, you can effectively enjoy the sunny delights of Katihar while keeping your skin safe and healthy.

Hourly UV Index in Katihar

As the sun rises, the UV Index begins to climb. At 7:00 AM, it starts at a moderate level of 3, but by 8:00 AM, it jumps to a more noticeable 5. Things heat up significantly by 9:00 AM, reaching 8, and by 10:00 AM, it peaks at an intense 10. The maximum intensity occurs at 11:00 AM with an impressive 11, warning outdoor enthusiasts to take precautions. Gradually, from 12:00 PM to 2:00 PM, the index dips to 10 and then 6 as the afternoon progresses. By 3:00 PM, it further reduces to 3, and as the sun begins to set, the index drops to 2 at 4:00 PM, 1 at 5:00 PM, and finally to 0 by 6:00 PM, revealing a clear transition from peak UV exposure to safe levels as day turns to night. Remember to stay protected 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	3	moderate	30 min
08:00	5	moderate	30 min
09:00	8	very high	15 min
10:00	10	very high	15 min
11:00	11	extreme	10 min
12:00	10	very high	15 min
13:00	8	very high	15 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 Katihar

During the year, UV exposure varies significantly, with peaks in the summer months. High-risk months for UV exposure include June through September, when the UV Index reaches extreme levels (11 to 13), with dangerously short burn times of just 10 minutes. Additionally, March and April also present high risk with very high UV levels (8 to 10), demanding vigilance. Visitors and residents are strongly advised to protect themselves by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during these peak months. In contrast, the winter months of January and December show a moderate risk, with longer burn times of 30 minutes, allowing for safer outdoor activities if precautionary measures are still taken.

Monthly Maximum UV Index for Katihar, India

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

The table above highlights how UV exposure in Katihar 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.

Katihar'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
Katihar	5	6	8	10	10	11	13	12	12	9	7	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
Bengaluru UVI	11	13	13	14	13	14	14	14	14	12	11	10