UV Index in Kalna, India

Last updated: July 2, 2025

Understanding the UV Index is essential for residents and visitors of Kalna, India, where the subtropical climate can lead to significant sun exposure. Monitoring UV levels can help protect against sunburn and promote long-term skin health, making it vital for outdoor activities. In Kalna, UV Index readings peak at 13 around midday, indicating extreme risk, so being aware of these levels can help individuals take the necessary precautions during the sunniest hours. With its typical Aw climate, Kalna experiences high UV exposure, especially during the hotter months, underscoring the importance of awareness in safeguarding skin from harmful effects.

Hourly UV Index in Kalna

The UV Index data throughout the day reveals a dynamic pattern of sun exposure. Starting at 07:00, the index is at a mild 3, but it quickly ramps up as the sun rises. By 09:00, it soars to 9, reaching its peak of 13 at 11:00, signaling the most intense solar radiation and a high risk of harm without protection. As the afternoon progresses, the index declines, dropping to 4 by 15:00, and continues to diminish to 0 by 19:00, making late evening safe for outdoor activities. For those planning outings, it’s clear that midday hours are best suited for caution and proper sun safety measures!

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	6	high	25 min
09:00	9	very high	15 min
10:00	12	extreme	10 min
11:00	13	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	4	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 Kalna

Throughout the year, UV exposure varies significantly, with the highest UV Index recorded during the summer months. From May to September, UV levels reach extreme categories (11-13), where the burn time is reduced to just 10 minutes. This peak in UV intensity highlights July and August as the highest risk months, where protective measures are essential. In contrast, the moderate exposure in January (UV Index 5) allows for a burn time of 30 minutes, making it the safest month for sun exposure. As the seasons transition, individuals are advised to be vigilant during February through October, where UV indices climb from high to extreme levels. Visitors and residents should wear sunscreen, protective clothing, and seek shade, especially during peak hours, to safeguard against skin damage.

Monthly Maximum UV Index for Kalna, India

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

The table above highlights how UV exposure in Kalna 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.

Kalna'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
Kalna	5	7	9	9	11	11	13	13	12	10	7	6
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