At solar noon (12:47:38 PM) the sun reaches 34.1° above the horizon in Ottawa. Without clouds, that corresponds to a maximum UV index of about 2.7 (low). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Ottawa, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 34.1° | 2.7 Low | — | |
| 33.7° | 2.6 Low | — | |
| 33.4° | 2.5 Low | — | |
| 33.0° | 2.5 Low | — | |
| 32.7° | 2.4 Low | — | |
| 32.3° | 2.4 Low | — | |
| 32.0° | 2.3 Low | — | |
| 31.7° | 2.3 Low | — | |
| 31.3° | 2.2 Low | — | |
| 31.0° | 2.2 Low | — | |
| 30.7° | 2.1 Low | — | |
| 30.4° | 2.1 Low | — | |
| 30.0° | 2.0 Low | — | |
| 29.7° | 2.0 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.
Bright conditions call for proper eye protection. Polarized lenses reduce glare and block harmful UV rays.
View on Amazon →About Ottawa
Ottawa is the capital of Canada. Located in the province of Ontario, the city covers an area of 2778.6 square kilometres at an elevation of 70 metres and has existed as a municipality since 1855. According to 2021 data, the population is 1,017,449. The city is situated along the Ottawa River, the Rideau Canal, and the Rideau River. Notable landmarks include the National Gallery of Canada, the Ottawa Macdonald-Cartier International Airport, and the Canadian Museum of Nature. Official twin towns associated with Ottawa are Cairo, Beijing, Catania, Montecastrilli, and Buenos Aires.
AI-assisted description based on geographic data and editorial notes.