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UV Index in Chula Vista

UV index


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Today's UV index in Chula Vista, United States United States will be up to 9.6, indicating a very high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.


Today's tips

With a UV index of 9.6 in Chula Vista, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Chula Vista's UV Index

The UV index in Chula Vista, United States, can reach a high of 11 during summer months. This index measures the strength of the sun's UV rays, with 11 being considered "extreme."

Weather Seasons

UV index

Chula Vista has a semi-arid climate, meaning it has two main seasons: a dry season from May to October and a wet season from November to April. The city experiences warm temperatures year-round, with average highs ranging from 66°F (19°C) in winter to 78°F (26°C) in summer.

Chula Vista's Climate

Compared to its region and neighboring countries, Chula Vista is relatively temperate. While much of Mexico and the Southwestern United States experience extremely hot summers and cold winters, Chula Vista's coastal location provides a more moderate climate. However, it still experiences less rainfall than nearby cities to the north, such as San Francisco.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Chula Vista. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Chula Vista (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.