UV Index in Kalymnos, Greece

Last updated: July 2, 2025

In the sunny paradise of Kalymnos, Greece, being aware of the UV Index is crucial for both locals and visitors alike. Understanding UV levels is vital for preventing sunburn and protecting your skin health from harmful rays. With a Mediterranean climate characterized by long, hot summers, Kalymnos experiences significant UV exposure, especially during peak hours—where the Index can reach as high as 10 from 12:00 PM to 2:00 PM. Stay informed and safeguard your skin while enjoying the breathtaking beauty of this stunning island!

Hourly UV Index in Kalymnos

The UV index begins its ascent at 07:00, starting at a gentle 1, then climbs gradually through the morning. By 10:00, it reaches a moderate 5, but from 11:00 onwards, the sun's intensity becomes pronounced, peaking at an impressive 10 between 13:00 and 14:00. After this zenith, the index dips to 8 at 15:00 and continues its decline, settling back to 2 by 18:00. As the day winds down into the evening, the UV index drops to a low 1 by 19:00, signaling a return to safer sun exposure levels. Enjoy the sunshine while staying protected during the high points!

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	2	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	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 Kalymnos

Throughout the year, UV exposure levels fluctuate significantly, with high-risk months typically occurring from March to September. During this period, the UV Index peaks, reaching a maximum of 10 from May to August, categorized as very high, where the burn time is critically low at just 15 minutes. In April, the UV Index rises to 8 (very high) before hitting its peak, making this an essential month for sun protection awareness. Conversely, the months of January, February, November, and December report a moderate UV Index of 3 to 5, allowing for longer exposure times of up to 30 minutes. Visitors and residents should prioritize sun safety measures—such as wearing sunscreen, protective clothing, and seeking shade—especially during the high-risk months, to mitigate the risk of skin damage from harmful UV rays.

Monthly Maximum UV Index for Kalymnos, Greece

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

The table above highlights how UV exposure in Kalymnos 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.

Kalymnos'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
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
Kalymnos	3	5	7	8	10	10	10	10	8	6	4	3