UV Index in Tomohon, Indonesia

Last updated: May 3, 2025

In Tomohon, Indonesia, being aware of the UV Index is essential for maintaining healthy skin and preventing sunburns. The fluctuating UV levels throughout the day emphasize the need for vigilance, with values peaking at a dangerously high 14 around midday. As a city situated in an Af climate zone, Tomohon experiences significant UV exposure, especially during sunny weather. Understanding these UV levels not only helps protect your skin but also raises awareness about the potential risks associated with prolonged sun exposure. Stay informed and safeguard your skin while enjoying the beauty of this picturesque region!

Hourly UV Index in Tomohon

As the day unfolds, the UV Index begins modestly at 2 by 7:00 AM, but quickly escalates as the sun climbs higher in the sky. By 9:00 AM, it reaches 8, signaling that it’s time to start thinking about sun protection. The peak arrives at 11:00 AM and 12:00 PM with a soaring UV Index of 14, which warns us to be extra cautious. As the afternoon rolls in, the intensity wanes — dropping to 12 at 1:00 PM, then declining further to 8 by 2:00 PM, and slowly decreasing to 0 by 6:00 PM. Whether you’re enjoying the sunshine or planning your day, be aware of these fluctuations to ensure your safety under the sun.

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	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Tomohon

Throughout the year, the UV Index remains at an extreme level, with values consistently ranging from 13 to 17. Notably, the high-risk months for UV exposure are from January to April, where the UV Index peaks at 16-17 and requires a rapid burn time of just 10 minutes. The UV Index then gradually decreases, but remains significant through to November, only dropping to 13 in December. Given these consistently high UV levels, it is crucial for both visitors and residents to practice effective sun safety, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak sunlight hours to mitigate the risk of skin damage.

Monthly Maximum UV Index for Tomohon, Indonesia

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

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

Tomohon's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surabaya UVI	13	15	14	12	12	10	11	12	14	13	13	13
Bekasi UVI	14	16	16	14	11	10	10	11	13	15	14	13
Jakarta UVI	14	16	16	14	11	10	10	11	13	15	14	13
Medan UVI	13	15	15	15	14	12	12	13	14	14	13	12
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14
Tomohon	15	16	17	16	14	13	13	14	15	15	14	13