Port Colborne UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index7.4
- Avg Clouds14%
- Max Temp25 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Port Colborne, Canada 
will reach a high of 7.4 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-22
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Port Colborne's UV Index
Port Colborne's UV index varies throughout the year, typically low in the winter and reaching moderate to high levels in the summer months, especially in June and July. UV levels peak around midday during the summer, rising as the sun is highest in the sky.
Weather Seasons
The area experiences warm summers with temperatures often in the 20s°C (70s°F) and cold winters with snow and temperatures below freezing. Spring and fall are mild with gradual temperature changes and occasional rain, marking clear seasonal shifts.
Port Colborne's Climate
Compared to the rest of Ontario and nearby U.S. states, Port Colborne is slightly cooler in summer than inland areas due to its proximity to Lake Erie. It has more lake effect snow in winter than regions further from the Great Lakes, making winters chillier.
Hourly UV Index Trend
See the UV index hour by hour for Port Colborne. When the level is high, it's smart to find some shade.
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