UV Index
UV Index
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Today's UV index in Longueuil, Canada 
will be up to 5.1, indicating a moderate 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 a UV index reaching up to 5.1 in Longueuil, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Longueuil, Canada can reach high levels during the summer months, with a peak in July. It's important to be aware of UV levels and protect yourself as needed.
Longueuil experiences four distinct seasons, with cold, snowy winters and warm, humid summers. Spring and autumn bring milder temperatures and changing leaves. Each season has its own unique beauty and activities to enjoy.
Compared to its region and neighboring countries, Longueuil has a more continental climate, with larger temperature differences between summer and winter. In contrast, coastal areas such as Vancouver and Seattle have milder winters and cooler summers due to their proximity to the ocean.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Longueuil. It's designed to provide you with a better understanding of the yearly weather and sun exposure.