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UV Index in Hamilton, CA

UV index


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Today's UV index in Hamilton, Canada 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's tips

Today, the UV index suggests low sun danger (0-2) in Hamilton, 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.

Hamilton Weather

Read more here about the climate and sun exposure in and around Hamilton.

UV Index in Hamilton

The UV index in Hamilton, Canada ranges from low to very high throughout the year. In the summer months, the UV index can reach 7 or 8 (very high), meaning that unprotected skin can burn in just 10-15 minutes. It is crucial to wear sunscreen, protective clothing, and sunglasses to minimize the risk of sunburn and skin damage.

Weather Seasons

UV index

Hamilton experiences four distinct seasons: spring, summer, autumn, and winter. Spring brings mild temperatures, with highs ranging from 10-20 °C (50-68 °F), and occasional rainfall. Summers are warm, with average highs of 25-30 °C (77-86 °F), and can occasionally reach 35 °C (95 °F) or higher. Autumn brings cooler temperatures, ranging from 10-20 °C (50-68 °F), with colorful foliage. Winters, on the other hand, can be cold and snowy, with temperatures averaging between -10 °C to -5 °C (14-23 °F).

Hamilton's Climate

Compared to its region, Hamilton experiences a moderate level of sun exposure. Located in southern Ontario, it receives around 2,000 hours of sunshine per year. This is slightly less than some other areas in the region, such as Niagara Falls or Toronto, but more than cities further north. Despite the moderate sun exposure, it is still important to take precautions against harmful UV rays, especially during the summer months when the UV index is higher.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Hamilton. 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 Hamilton (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.