Ontario, Canada Weather
Current: 4.55°C/40.19°F, Wind SW at 5.51 km/h, 74% Humidity, 0% Chance of rain
- Ontario, Canada Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Ontario over the next 12 hours
- Temperature and possibility of rain in Ontario in the coming days
- Rainfall in Ontario in the coming days
- Ontario Weather Summary
- Weather averages by month
- Ontario's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Broken Clouds
Pressure: 1,016 hPa
Sea level: 1,016 hPa
Temperature: 3.33°C
Cloud: 83%
Humidity: 74%
Wind: SE 5.69 km/h
Visibility: 10,000 m
30 Day Averages and Extremes
- Average high 14.74°C
- Average low 8.38°C
- Hottest day (14 September 2024) 26.46°C
- Coldest day (22 September 2024) 0.15°C
- Average humidity 68.63%
- Days with precipitation 5 days
- Highest precipitation 26.94 mm (21 September 2024)
Yesterday's Data
- Max: 14°C
- Min: 5°C
- Total Precipitation: 17.95 mm
Temperature and possibility of rain in Ontario over the next 12 hours
Temperature and possibility of rain in Ontario in the coming days
Rainfall in Ontario in the coming days
Ontario Climate Summary
Ontario features a Subartic, severe winter, no dry season, cool summer (Köppen classification: Dfc), with an average annual temperature of 2.61ºC (36.7ºF), which is about 0.52% higher than the national average for Canada. Annually, the city experiences approximately 40.94 millimeters (1.61 inches) of rainfall, spread across 99.45 rainy days, accounting for 27.25% of the year.
| Longitude | 51.253775 |
| Latitude | -85.323214 |
| Yearly high temperature | 5.73ºC (42.31ºF) |
| Yearly low temperature | -3.07ºC (26.47ºF) |
| Hottest month | June 20.53ºC (68.95ºF) |
| Coldest month | January -20.82ºC (-5.48ºF) |
| Yearly precip | 40.94mm (1.61in) |
| Days with rainfall | 99.45 days (27.25%) |
| Driest month | February (93.43%) |
| Wettest month | September (78.45%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | -12.89° / -20.82° | 7.27 days |
| February | -11.46° / -19.89° | 6.09 days |
| March | -3.99° / -12.13° | 8.36 days |
| April | 3.16° / -5.18° | 8.09 days |
| May | 14.6° / 3.55° | 8.91 days |
| June | 20.53° / 8.78° | 8.91 days |
| July | 24.1° / 12.26° | 8.64 days |
| August | 22.28° / 11.37° | 9.64 days |
| September | 15.66° / 6.63° | 8.27 days |
| October | 7.34° / 0.95° | 8.91 days |
| November | -1.44° / -6.84° | 9.45 days |
| December | -9.1° / -15.56° | 6.91 days |
Ontario's weather
- Annex
- Aurora
- Belleville
- Bowmanville
- Brantford
- Centre Wellington
- Clarington
- Courtice
- Dovercourt-Wallace Emerson-Junction
- Erin Mills
- Georgina
- Greater Sudbury
- Halton Hills
- Jane and Finch
- Kingston
- Lakeshore
- London
- Meadowvale Village
- Milton
- Mount Olive-Silverstone-Jamestown
- Newmarket
- Oakville
- Oshawa
- Richmond Hill
- Sudbury
- Waterloo
- York
- Agincourt North
- Ajax
- Applewood
- Argyle
- Armadale
- Banbury-Don Mills
- Barrie
- Bay Street Corridor
- Bendale
- Bolton
- Bradford West Gwillimbury
- Brampton
- Burlington
- Caledon
- Cambridge
- Centretown
- Chatham
- Chatham-Kent
- Church-Yonge Corridor
- Clairlea-Birchmount
- Clarkson
- Concord
- Cooksville
- Cornwall
- Cumberland
- Don Valley Village
- Downsview
- East York
- Etobicoke
- Fort Erie
- Georgetown
- Gloucester
- Goulbourn
- Grimsby
- Guelph
- Haldimand County
- Hamilton
- Innisfil
- Islington-City Centre West
- Kanata
- Kawartha Lakes
- Kitchener
- L'Amoreaux
- LaSalle
- Leamington
- Lisgar
- Malton
- Malvern
- Markham
- Meadowvale West
- Milliken
- Mimico
- Mississauga
- Mississauga Valley
- Mount Pleasant West
- Nepean
- New Tecumseth
- Niagara
- Niagara Falls
- Norfolk County
- North York
- Old Ottawa
- Old Toronto
- Ottawa
- Peterborough
- Pickering
- Scarborough
- St. Catharines
- Thunder Bay
- Toronto
- Vaughan
- Whitby
- Windsor
Frequently asked questions
1. What is the hottest month in Ontario?
June has the highest average monthly temperature (daily mean of 20.53ºC) and January are the coolest (daily mean of -20.82ºC).
2. What should I wear in Ontario today?
For today's cold weather in Ontario, with temperatures ranging from 5ºC to 8ºC (41.0ºF to 46.4ºF), you should wear:
- Scarf to protect the neck area
- Layered clothing (such as a thermal shirt under a sweater)
- Wool or thermal socks
- Hat and gloves, particularly for early mornings or evenings
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Temperature
Air quality
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO 263.69
- NH3 0.01
- NO 0.02
- NO2 0.06
- O3 62.23
- PM10 0.59
- PM25 0.5
- SO2 0.01