UV Index in Hat Lot, Vietnam

Last updated: May 3, 2025

In Hat Lot, Vietnam, understanding the UV Index is essential for maintaining skin health and preventing sunburn, especially in a region characterized by a Cwa climate, known for its hot summers. During peak hours, particularly from 10:00 AM to 2:00 PM, UV levels can reach dangerous heights, peaking at 14 on the index. This rapid increase in UV radiation underscores the importance of monitoring daily UV levels, as even short exposure can lead to skin damage. By staying informed about the UV Index, residents and visitors can take proactive measures to protect themselves from harmful rays, making sun safety a top priority in this vibrant locale.

Hourly UV Index in Hat Lot

As the sun rises, the UV Index steadily climbs, starting at a modest 2 by 7:00 AM. By 8:00 AM, it jumps to 4, signaling that it's time to apply some sunscreen. The intensity peaks at 14 around noon, making 11:00 AM and 12:00 PM crucial hours for sun protection. As the afternoon unfolds, the index gradually starts to decline: from 13 at 1:00 PM to 10 by 2:00 PM, before dipping down to 3 at 4:00 PM. As evening approaches, the UV exposure diminishes significantly, reaching 1 by 5:00 PM and tapering off to 0 by 7:00 PM. Stay safe and enjoy the sunshine, but remember to protect your skin during those peak hours!

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	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	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 Hat Lot

The seasonal UV Index data highlights significant fluctuations in sun exposure risk throughout the year. From January to April, the UV Index remains in the very high to extreme range, peaking at 14 in May through September, indicating high-risk months for sunburn risk with a burn time of only 10 minutes during this period. October sees a slight decrease to an index of 12, followed by a return to very high levels in November and December. Visitors and residents should take precautionary measures, especially from March to October, ensuring adequate sun protection such as wearing sunscreen, hats, and sunglasses to mitigate the risk of UV-related health issues.

Monthly Maximum UV Index for Hat Lot, Vietnam

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

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

Hat Lot's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hanoi UVI	8	10	12	12	13	12	12	13	13	11	9	7
Haiphong UVI	8	10	12	13	12	13	13	13	13	11	9	7
Hat Lot	8	10	13	13	14	14	14	14	14	12	9	8
Da Nang UVI	10	12	14	15	14	13	14	14	13	12	10	9
Ho Chi Minh City UVI	10	13	15	14	14	12	13	14	13	13	11	10
Bien Hoa UVI	10	14	15	15	14	13	14	14	13	12	11	10