UV Index
UV Index
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Today's UV index in Hamilton, Canada 
will be up to 1.2, indicating a low 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, the UV index suggests low sun danger (0-2) in Hamilton, reaching up to 1.2. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
The UV index in Hamilton, Canada can reach high levels during the summer months, with a maximum index of 9 or higher possible. It is important to be aware of the UV index and take necessary precautions to protect yourself from the sun's harmful rays.
Hamilton experiences four distinct seasons: a cold and snowy winter, a cool and rainy spring, a warm and sunny summer, and a crisp and colorful fall. Each season offers its own unique weather and activities, making Hamilton a great place to live and visit year-round.
Compared to its region and neighboring countries, Hamilton has a more moderate climate. While it can get quite cold in the winter, it is not as extreme as the cold temperatures seen in some parts of Canada or neighboring countries such as Russia. Similarly, the summers in Hamilton are warm, but not as hot as some parts of the United States or Mexico.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Hamilton. It's designed to provide you with a better understanding of the yearly weather and sun exposure.