UV Index in Peterborough, Ontario, Canada

· America/Toronto

2.8
Low · clear-sky maximum Wednesday, October 21, 2026

At solar noon (12:57:56 PM) the sun reaches 34.8° above the horizon in Peterborough. Without clouds, that corresponds to a maximum UV index of about 2.8 (low). Clouds usually lower the real value; snow, sand, water and altitude can raise it.

☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!

UV index in Peterborough, next 14 days

DateSun at noonClear-sky maxForecast max
34.8° 2.8 Low —
34.5° 2.7 Low —
34.1° 2.7 Low —
33.8° 2.6 Low —
33.5° 2.6 Low —
33.1° 2.5 Low —
32.8° 2.5 Low —
32.4° 2.4 Low —
32.1° 2.4 Low —
31.8° 2.3 Low —
31.5° 2.3 Low —
31.1° 2.2 Low —
30.8° 2.2 Low —
30.5° 2.1 Low —

Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.

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The UV index in Peterborough measures the intensity of ultraviolet radiation reaching the ground. Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade. The clear-sky value shows how strong the sun can get on each day; the forecast shows what is expected with clouds. See today's sunrise and sunset times for Peterborough or discover the best light for photos during the golden hour in Peterborough.

About Peterborough

Peterborough is located in the Canadian province of Ontario. The city has existed as a municipality since 1819 and occupies an area of 58.4 square kilometres at an elevation of 195 metres. As of 2016, the population was 81,032. The Otonabee River flows through the city, which also contains Little Lake. Infrastructure and institutional landmarks include Peterborough Airport, Fleming College, and the Cathedral of Saint Peter-in-Chains. Additional buildings in the city include the Beth Israel Synagogue, the Market Hall Performing Arts Centre, the Peterborough Public Library, and St. John the Evangelist Anglican Church.

AI-assisted description based on geographic data and editorial notes.