UV Index
UV Index
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Today's UV index in Anaheim, United States 
will be up to 7.6, indicating a 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.
With Anaheim's UV index reaching 7.6, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
The UV index in Anaheim, California, can reach high levels during summer, with values often exceeding 10 on a scale up to 15. This is due to the city's sunny and dry climate, with annual averages of over 280 sunny days.
Anaheim has two main seasons: a warm to hot summer from June to October and a mild winter from November to May. Summer temperatures often reach the 80s and 90s°F (high 20s°C), while winter temperatures seldom drop below freezing. Rainfall is scarce, mostly confined to the winter season.
Compared to its region and neighboring countries, Anaheim's weather is distinctly different. The city is much drier and sunnier than many parts of the US during summer, particularly in comparison to the East Coast. Mexico and Canada, its North American neighbors, have more extreme climates, with colder winters and hotter or wetter summers.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Anaheim. It's designed to provide you with a better understanding of the yearly weather and sun exposure.