UV Index in GJam Doi, Vietnam

Last updated: June 2, 2025

In GJam Doi, Vietnam, understanding the UV Index is crucial for safeguarding your skin and overall health. With a climate that leans toward the tropics, the region experiences significant UV exposure, particularly during peak hours when the index can soar to 12 or even 13. Being aware of these UV levels helps you take essential precautions to prevent painful sunburns and long-term skin damage. Whether you're enjoying the outdoors or going about your daily activities, staying informed about the UV Index empowers you to protect your skin and enjoy the sunshine safely.

Hourly UV Index in GJam Doi

The UV Index data reveals a dynamic fluctuation throughout the day, peaking at a maximum of 13 around noon. The morning starts off gently, with readings of only 1 at 07:00 and 3 by 08:00, perfect for early risers. However, as the sun ascends, the intensity rises sharply, hitting a critical 10 by 10:00 and reaching its zenith at 12 by 11:00 and 13 by 12:00. The afternoon sees a gradual decline, with values dropping to 9 at 14:00, and then further sliding to 6 by 15:00. As evening approaches, the UV Index dwindles to 3 by 16:00, and finally tails off to 1 by 17:00, nurturing a calmer end to the day. With clear awareness of these fluctuations, individuals can effectively plan their outdoor activities, ensuring protection during the most intense 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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 GJam Doi

The UV Index data reveals that extreme UV exposure is a consistent risk throughout the year, with values ranging from 11 to 15. The highest UV levels are typically noted from March to September, with March peaking at 15 and both February and August at 14. Visitors and residents should be especially vigilant during these high-risk months, as the minimal burn time remains constant at just 10 minutes across all months. It is crucial to take protective measures such as wearing sunscreen, hats, and sunglasses, and seeking shade during peak sunlight hours to minimize skin damage and other UV-related risks.

Monthly Maximum UV Index for GJam Doi, Vietnam

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

The table above highlights how UV exposure in GJam Doi 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.

GJam Doi'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
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
GJam Doi	11	14	15	14	14	13	13	14	14	13	11	11