UV Index in Chilmari, Bangladesh

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Chilmari, Bangladesh, a region known for its hot and humid climate. With UV levels peaking at 11 during midday, awareness of these levels can significantly help in preventing sunburn and protecting long-term skin health. As the sun's rays can be particularly intense in this area, especially during the summer months, staying informed about UV exposure risks is essential. With effective knowledge and precautionary measures, you can enjoy the outdoors while safeguarding your skin from harmful UV radiation.

Hourly UV Index in Chilmari

As the sun rises, the UV Index begins its ascent, peaking dramatically between 11:00 AM and 12:00 PM with an intense value of 11. A moderate 3 greets early risers at 8:00 AM, but by 10:00 AM, it reaches a noteworthy 9, signaling a shift to more intense sunlight. The index then climbs to its maximum of 11 at noon, urging the need for sun safety measures. As the afternoon progresses, values gradually decline, dropping to 10 by 1:00 PM and easing to 5 by 3:00 PM. Evening hours bring a steady drop, with the index lowering to 1 by both 5:00 PM and 6:00 PM, before finally settling at 0 after 7:00 PM. This pattern highlights the importance of midday sun protection, as UV exposure peaks when the sun is highest in the sky.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 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 Chilmari

Throughout the year, seasonal variations in UV radiation significantly impact sun exposure risks. The UV Index peaks from May to September, with extreme levels reaching 11-13, indicating a burn time of just 10 minutes during these high-risk months. In contrast, winter months from December to February present lower UV indices, but even February can have a high exposure category with a 25-minute burn time. Residents and visitors should take preventive measures during the months of March through September by wearing sunscreen, protective clothing, and seeking shade during peak sun hours to safeguard against harmful UV rays.

Monthly Maximum UV Index for Chilmari, Bangladesh

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

The table above highlights how UV exposure in Chilmari compares to other major locations across Bangladesh. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Chilmari's solar exposure compared to other cities in Bangladesh. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rajshahi UVI	5	7	8	9	10	12	13	13	12	10	7	5
Chilmari	5	7	8	9	11	12	13	12	12	10	7	6
Dhaka UVI	5	7	9	9	12	13	13	13	12	11	7	6
Comilla UVI	6	7	9	10	12	13	13	13	12	10	8	6
Khulna UVI	5	7	9	10	13	13	13	14	12	11	8	6
Chattogram UVI	6	8	10	10	12	13	13	13	12	11	8	6