UV Index in Narayanganj, Bangladesh

Last updated: June 2, 2025

In Narayanganj, Bangladesh, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels helps prevent sunburn and reduces the risk of long-term skin damage. The region's Aw climate provides plenty of sunny days, with UV exposure peaking around noon with levels soaring to 13. By keeping an eye on the UV Index, residents can plan outdoor activities wisely, ensuring safe sun practices and maintaining healthy skin throughout the year.

Hourly UV Index in Narayanganj

As dawn breaks, the UV Index begins its journey, starting at a modest 2 at 7:00 AM. By 8:00 AM, it steadily climbs to 4, signaling the approach of stronger rays. The sun reaches its peak intensity at noon, soaring to a remarkable 13. From 11:00 AM to 1:00 PM, the index remains alarmingly high, maxing out at 12 and then gradually declining in the afternoon. By 3:00 PM, it drops to 6 and continues to wane, arriving at a gentle 1 by 5:00 PM. As the day winds down, the UV Index falls to zero by 7:00 PM, presenting a safe reprieve from the sun's rays. Remember to protect your skin during those peak hours when the sun's strength is at its highest!

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	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 Narayanganj

The UV Index experiences significant seasonal changes, peaking during the summer months from May to August, where it reaches an extreme level of 13. March and April also pose high risks with a very high UV Index of 9. January starts the year with a moderate level of 5, which quickly intensifies through February and continues to rise until it peaks of 12 in September, before gradually decreasing again. High-risk months for sun exposure are clearly defined from March through October, especially from May to September. Residents and visitors should take precautions during these months, including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to reduce the risk of harmful UV exposure.

Monthly Maximum UV Index for Narayanganj, Bangladesh

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

The table above highlights how UV exposure in Narayanganj 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.

Narayanganj'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
Narayanganj	5	7	9	9	12	13	13	13	12	11	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