Frost advisories have been issued across northern and southern Ontario and into Quebec, setting off a flurry of bewildered posts on social media.
Expected Max UV Observation:
This is today's expected maximum UV reading, taking today's weather into consideration.
- Extra precautions required - unprotected skin will be damaged and can burn quickly
- Avoid the sun between 11 a.m. and 4 p.m. and take full precautions - seek shade, cover up, wear a hat, sunglasses and sunscreen