UV Index in Karellas, Greece

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Karellas, Greece, where sun exposure can pose serious risks to skin health. With a typical Mediterranean climate, Karellas experiences significant UV levels, especially during the peak hours of the day. Knowing how to interpret these UV levels is essential for sunburn prevention and maintaining overall skin health. For example, the UV Index can soar to 10 around midday, indicating very high exposure risk. Awareness of these levels empowers you to take protective measures, ensuring that you enjoy the sunny weather while safeguarding your skin.

Hourly UV Index in Karellas

During the day, the UV Index shows a notable rise, starting from a safe level of 1 at 07:00 and 08:00. As the sun climbs higher, it peaks at an intense 10 between 13:00 and 14:00, indicating a high risk of harm from unprotected sun exposure. Be cautious during this timeframe! The index gradually dips to 7 at 16:00, then falls to a more manageable 2 by 18:00, before returning to a minimal 1 as daylight wanes. For those planning outdoor activities, it's crucial to protect your skin during the midday hours when the sun is strongest.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Karellas

During the year, the UV Index fluctuates significantly, indicating changing exposure levels and recommended precautions. The high-risk months for UV exposure are April to September, when the UV Index peaks at 10, classified as very high. Specifically, visitors and residents should be particularly cautious from May through August, when burn time is only 15 minutes. In contrast, the UV Index is lower during the winter months, with January and December registering a UV Index of 3 and a burn time of 30 minutes. It is vital for individuals to take protective measures—such as wearing sunscreen, protective clothing, and seeking shade—especially during the high-risk months, to minimize the risks associated with excessive sun exposure.

Monthly Maximum UV Index for Karellas, Greece

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

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

Karellas's solar exposure compared to other cities in Greece. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Thessaloniki UVI	3	4	6	7	9	10	9	9	7	6	4	2
Larisa UVI	3	4	6	8	10	11	10	10	8	6	4	3
Patra UVI	3	5	6	8	10	11	10	10	8	6	4	3
Karellas	3	4	6	8	10	10	10	10	8	7	4	3
Piraeus UVI	3	4	6	8	10	10	10	10	8	7	4	3
Athens UVI	3	4	6	8	10	10	10	10	8	7	4	3