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UV Index in Montréal

UV index


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Today's UV index in Montréal, Canada Canada will be up to 4.7, 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.


Today's tips

With a UV index reaching up to 4.7 in Montréal, 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.

Montréal's UV Index

The UV index in Montreal, Canada can reach intense levels during the summer months, with a maximum index of 9 or 10. In the winter, the index is much lower, rarely exceeding 2.

Weather Seasons

UV index

Montreal experiences four distinct seasons. Spring brings blooming flowers and mild temperatures, while summer is warm and humid with an average high of 25°C. Autumn sees beautiful foliage and cooler weather, and winter is cold and snowy with temperatures often well below zero.

Montréal's Climate

Compared to its region and neighboring countries, Montreal's climate is moderate. Winter temperatures are milder than in many parts of Canada, and summer temperatures are cooler than in many nearby American cities. The city also receives more precipitation than many areas in the northeastern USA.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Montréal. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Montréal (Canada) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.