UV Index
UV Index
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Today's UV index in Richmond Hill, Canada 
will be up to 1.4, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
Today, the UV index suggests low sun danger (0-2) in Richmond Hill, reaching up to 1.4. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Richmond Hill.
The UV index in Richmond Hill can vary throughout the year, reaching its highest levels during the summer months. In July, for instance, the UV index can reach around 8 (moderate to high risk), meaning that it is important to protect your skin from potential sunburn. During the winter months, the UV index tends to be lower, ranging between 1 and 2 (low risk). However, it is still advisable to use sunscreen and take precautions when spending time outdoors in any season.
Richmond Hill experiences four distinct seasons: spring, summer, autumn, and winter. Spring brings milder temperatures, with average highs of 9-17 °C (48-63 °F), and occasional rainfall. The summers are warm and humid, with average highs of 25-28 °C (77-82 °F), making it a perfect time to enjoy outdoor activities. Autumn brings cooler temperatures, ranging from 9-19 °C (48-66 °F), vibrant foliage, and a mix of sun and rain. Finally, in winter, temperatures drop, averaging between -8 to -1 °C (18-30 °F), with snowfall being common. It's important to dress warmly and take precautions during extreme cold weather.
Compared to its region, Richmond Hill experiences a moderate amount of sun exposure. However, it is still important to protect your skin from harmful UV rays. The region, which includes Toronto and the Greater Toronto Area, has a similar climate. As Richmond Hill is located just north of Toronto, it experiences slightly cooler temperatures and a slightly higher average annual snowfall. However, the overall weather patterns and sun exposure are comparable. It's important to stay informed about the daily UV index and adjust your activities and sun protection accordingly.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Richmond Hill. It's designed to provide you with a better understanding of the yearly weather and sun exposure.