UV Index in Colonno, Italy

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Colonno, Italy, especially during the warm summer months. With its temperate Cfb climate, Colonno sees significant sunlight that can elevate UV levels, often peaking at a high 9 at noon. Being aware of these levels is essential for effective sunburn prevention and maintaining skin health. High UV exposure can lead to harmful effects, making it important to monitor the UV Index daily. Whether you're exploring the stunning lakeside or lounging in the sun, staying informed about UV risks can help ensure your time in this picturesque town is both enjoyable and safe.

Hourly UV Index in Colonno

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 08:00, it climbs to 2, indicating a mild increase in UV exposure. The real peak arrives at 12:00, where the index reaches a striking 9, underscoring the importance of sun protection during these hours. This high level remains steady until 14:00, followed by a gradual descent as the afternoon wanes: 8 at 15:00, 6 at 16:00, and continuing down to 2 at 18:00. As evening approaches, the UV Index drops to a soft 1 by 19:00, signaling a gentle close to the sun-soaked day. Remember to take precautions during the midday hours to safeguard your skin!

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	9	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 Colonno

Throughout the year, notable changes in the UV Index indicate varying levels of sun exposure risk. The months of May to August present the highest risk, with a UV Index of 9, classified as very high, allowing for a quick burn time of only 15 minutes. Conversely, January and December see a significant drop in UV levels, categorized as low, with burn times extending to 45 minutes. March and April also pose moderate to high risks, while September sees a decrease to high levels again. Visitors and residents should take extra precautions during the high-risk months of May through August, ensuring they apply sunscreen regularly, wear protective clothing, and seek shade when necessary to mitigate potential skin damage from intense sunlight.

Monthly Maximum UV Index for Colonno, Italy

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

The table above highlights how UV exposure in Colonno 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.

Colonno'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
Colonno	2	3	6	6	8	9	9	9	7	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