UV Index
UV Index
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Today's UV index in Oakville, 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 Oakville, 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 Oakville.
In Oakville, Canada, the UV index is an important factor to consider when planning outdoor activities. The UV index provides information about the strength of the sun's ultraviolet radiation and the level of protection required. During the summer months (June to August), the UV index in Oakville can range from moderate (3-5) to very high (8-10). It is crucial to apply sunscreen with a high SPF, wear protective clothing, and seek shade during peak periods to avoid sunburn and skin damage.
Oakville experiences four distinct seasons throughout the year. In the spring (March to May), temperatures begin to rise, ranging from around 5 °C (41 °F) to 15 °C (59 °F), with occasional rain showers. Summer (June to August) brings warm temperatures averaging between 20 °C (68 °F) and 27 °C (81 °F). Autumn (September to November) brings cooler temperatures between 10 °C (50 °F) and 20 °C (68 °F), as well as beautiful foliage. Winter (December to February) is cold, with temperatures ranging from -5 °C (23 °F) to -2 °C (28 °F), and often sees snowfall.
Compared to its region, Oakville experiences a moderate level of sun exposure. Located near Lake Ontario, it benefits from a slightly milder climate due to the lake's moderating effect. This can lead to cooler summers and milder winters compared to inland areas. However, it still receives ample sunshine throughout the year, with an average of about 2000 hours annually. It's important to note that even during the colder months, sun protection is necessary to prevent potential harm from UV radiation.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Oakville. It's designed to provide you with a better understanding of the yearly weather and sun exposure.