UV Index in Dehra Dun, India

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Dehra Dun, India, as it provides valuable insights into harmful ultraviolet radiation levels that can lead to sunburn and other skin health issues. With its Cwa climate, Dehra Dun experiences significant sunlight exposure, especially during peak hours when the UV Index can soar to 12 around midday. Being aware of these UV levels helps in taking necessary precautions to protect your skin, ensuring you enjoy the beautiful outdoors without compromising your health. Whether you're planning a hike in the nearby hills or a stroll in the park, knowing the UV Index can empower you to safeguard against the sun's potentially damaging effects.

Hourly UV Index in Dehra Dun

The UV Index starts off low at 2 around 7:00 AM, but quickly ramps up as the sun rises. By 9:00 AM, it hits 7, indicating it’s time to apply some sunscreen. The peak UV Index of 12 occurs at noon, signifying a high level of risk for harm from unprotected sun exposure. Conditions remain intense, with values of 11 from 11:00 AM to 1:00 PM. As the afternoon progresses, the index begins to decline, dropping to 5 by 3:00 PM and continuing down to 1 by 5:00 PM, before settling at a safe 0 after sunset. It’s clear that midday is when protection from UV rays is most crucial!

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	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Dehra Dun

The UV Index exhibits significant seasonal variation, with the highest risk months being from March to August, where values peak at 12 and a burn time as short as 10 minutes during extreme exposure categories. April and May are particularly concerning, with UV Index values reaching 10 and 11, respectively, indicating very high to extreme risk. Visitors and residents are advised to take precautionary measures during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during midday hours. Conversely, from November to February, the UV Index drops to moderate or high levels, suggesting less intense exposure but still necessitating caution to avoid sunburn.

Monthly Maximum UV Index for Dehra Dun, India

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

The table above highlights how UV exposure in Dehra Dun 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.

Dehra Dun'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
Dehra Dun	5	6	9	10	11	11	12	12	10	8	6	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