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UV Index in San Jose

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Today's UV index in San Jose, United States United States will be up to 10.9, 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 10.9 in San Jose, 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 Jose's UV Index

The UV index in San Jose, United States, averages around 6-7 in the summer months, which is considered high. It's recommended to protect your skin during the midday hours when the sun is at its strongest.

Weather Seasons

UV index

San Jose has a Mediterranean climate, with cool, wet winters and warm, dry summers. The city experiences around 300 sunny days per year, making it a great place for outdoor activities.

San Jose's Climate

Compared to its region, San Jose is generally warmer and drier than other parts of California. It also has a more mild climate than neighboring countries like Mexico, which has a tropical climate with hotter temperatures year-round.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in San Jose. 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 San Jose (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.