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UV Index in San Diego

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Today's UV index in San Diego, United States United States will be up to 10.6, 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 10.6 in San Diego, 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.

San Diego's UV Index

The UV index in San Diego is typically moderate to high, with readings often reaching as high as 11 during peak summer months. This is due to the city's geographical location in Southern California, which provides abundant sunshine throughout the year.

Weather Seasons

UV index

San Diego has two main seasons: a dry season from May to October and a wet season from November to April. During the dry season, temperatures can reach the high 70s and low 80s, while the wet season sees cooler temperatures and occasional rainfall. Despite this, San Diego enjoys mild weather year-round, with temperatures rarely dipping below the mid-50s or exceeding the mid-80s.

San Diego's Climate

Compared to other parts of the United States and its neighboring countries, San Diego's weather is relatively mild and consistent. While cities such as New York and Chicago experience harsh winters and hot summers, San Diego's Mediterranean climate provides a more stable and moderate environment. Similarly, Mexican cities such as Tijuana, just south of San Diego, see more extreme temperature fluctuations and rainfall throughout the year, making San Diego's weather seem even more temperate.

Annual Sun Radiation

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

Disclaimer

* This page's content about the UV index in San Diego (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.