UV Index in Sirajganj, Bangladesh

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents of Sirajganj, Bangladesh, where the sun can be both a source of warmth and a risk factor for skin damage. Understanding the UV levels throughout the day can help individuals take proactive steps to prevent sunburn and safeguard their skin health. With the climate of Sirajganj characterized as Aw, residents experience significant UV exposure, particularly during peak hours when the UV Index soars to 12. This knowledge empowers the community to enjoy the outdoors safely while minimizing the risk of harmful UV radiation.

Hourly UV Index in Sirajganj

The UV Index today displays a dynamic pattern, reaching its zenith during the midday hours. Starting off at a modest 2 at 07:00, it quickly escalates through the morning, peaking at a formidable 12 from 11:00 to 12:00. This intense exposure underscores the need for sun protection during the late morning hours. As the afternoon progresses, UV levels begin to taper off, dropping to 9 by 14:00, and then further declining to 6 at 15:00. In the evening, the index falls to 1 by 17:00, finally settling at 0 after 19:00. With this data, it's clear that the brightest hours require extra caution to safeguard against harmful UV rays!

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	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	12	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 Sirajganj

Throughout the year, UV Index levels vary significantly, with the highest values typically occurring in summer months. From March to September, the UV Index peaks, reaching extreme levels of 12 to 13 during May through August, where unprotected skin can burn in just 10 minutes. March and April also show very high levels at 9 and 10, respectively, indicating that sun safety is crucial. Months to be particularly vigilant about UV exposure include May, June, July, and August, which pose the greatest risk for skin damage. As the year progresses, the UV Index drops in autumn and winter, with January and December being relatively safer months, yet still advising caution with moderate to high levels. Residents and visitors should plan outdoor activities accordingly, using sun protection measures during peak UV times, particularly from midday to early afternoon.

Monthly Maximum UV Index for Sirajganj, Bangladesh

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

The table above highlights how UV exposure in Sirajganj 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.

Sirajganj'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
Dhaka UVI	5	7	9	9	12	13	13	13	12	11	7	6
Sirajganj	5	7	9	10	12	12	13	13	12	10	8	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