UV Index in Siano, Italy

Last updated: June 2, 2025

In Siano, Italy, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding the UV levels can significantly aid in preventing sunburn and promoting skin health, especially with the region's warm Mediterranean climate. As the sun rises higher throughout the day, UV levels peak around midday, reaching an intensity of 10 – a reminder that sun protection is essential. Whether you're enjoying the vibrant outdoor lifestyle or simply soaking up the sun, staying informed about the UV Index will help you enjoy your time safely in Siano.

Hourly UV Index in Siano

At dawn, the UV Index starts at a mild 1 by 07:00, gradually climbing to 2 by 08:00 as the sun rises. The warmth intensifies, reaching 4 at 09:00 and peaking at a significant 10 between noon and 14:00, signaling the need for sun protection. As the afternoon rolls in, the index begins to dip, settling at 8 by 15:00 before tapering off further to 5 at 16:00. By the evening, the UV levels gracefully descend back to 2 at 18:00 and return to a safe 1 by 19:00, marking a day's journey through varying sun exposure. Be mindful of the midday sun, and stay protected during those peak 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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	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	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Siano

Throughout the year, UV index levels fluctuate significantly, with high-risk months identified primarily from April to September. During this period, the UV index peaks at 10, indicating very high exposure risk, particularly in June, July, and August. In contrast, winter months like January and December show a lower UV index of 3, falling into the moderate exposure category, where skin burns within 30 minutes of unprotected sun exposure. As spring approaches, the risk begins to rise, necessitating increased sun protection starting in March. Residents and visitors should be particularly cautious during the summer months, applying broad-spectrum sunscreen and seeking shade, especially when activities are planned during peak sun hours.

Monthly Maximum UV Index for Siano, Italy

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

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

Siano's solar exposure compared to other cities in Italy. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Milan UVI	2	3	5	6	8	9	9	8	6	5	3	2
Turin UVI	2	3	6	7	8	10	9	9	7	5	3	2
Rome UVI	3	4	5	7	8	10	10	9	7	5	4	2
Naples UVI	3	4	6	7	9	10	10	9	8	6	4	2
Palermo UVI	3	5	6	8	9	10	10	9	8	7	4	3
Siano	3	5	6	8	9	10	10	10	8	6	4	3