UV Index in Kastri, Greece

Last updated: May 3, 2025

Understanding the UV Index is essential for residents and visitors in Kastri, Greece, as it plays a crucial role in protecting your skin. With the Mediterranean climate offering plenty of sunshine, knowing the UV levels can help you prevent sunburn and maintain long-term skin health. Typically, the UV Index in Kastri peaks around midday, reaching a high of 10 at 1 PM, indicating significant exposure risks during those hours. By staying informed about the UV Index, you can enjoy the beautiful outdoors while safeguarding your wellbeing from harmful UV radiation.

Hourly UV Index in Kastri

The UV Index throughout the day presents a clear narrative of rising intensity, peaking in the afternoon. Starting at 1 by 07:00, the UV levels gradually ascend, reaching 5 by 10:00. By 11:00, the index climbs to 7, and it soars to a striking 10 at 13:00—the optimal time for sun precautions. The intensity slightly wanes thereafter, dropping to 9 at 14:00 and continuing down to 4 by 17:00. As evening approaches, the UV Index dwindles to 1 by 19:00, signaling a return to safer levels. This data underscores the importance of sun safety measures during peak hours, particularly between 11:00 and 14:00.

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	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	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 Kastri

Seasonal UV changes indicate a significant rise in ultraviolet exposure as the year progresses. From March to September, the UV Index reaches its peak, categorizing these months as high-risk for sunburn, especially from April through August, when the UV Index consistently remains at 10 (very high). During these high-risk months, burn times decrease to just 15 minutes, emphasizing the need for protective measures. Residents and visitors are advised to take precautions such as wearing sunscreen, protective clothing, and sunglasses, especially during peak sun hours. As we move into October and November, the UV Index falls, allowing for more moderate sun exposure with burn times of 25 and 30 minutes, respectively. Nonetheless, vigilance remains necessary throughout the year to mitigate UV-related health risks.

Monthly Maximum UV Index for Kastri, Greece

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

The table above highlights how UV exposure in Kastri 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.

Kastri'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
Kastri	3	5	7	9	10	10	10	10	9	7	5	3