Ontario Vejr Prognose
Ontario weather: 6°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Ontario weather in januar
One of the harder months here - go in med a plan.
januar runs 19°C cooler than the annual average in Ontario.
Compare med december.
Vejr map for Ontario
Animated model layers. Pick a layer og load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | -13° | -22° | 25 mm | ★★☆☆☆ |
| februar | -9° | -20° | 37 mm | ★★☆☆☆ |
| marts | -4° | -17° | 41 mm | ★★☆☆☆ |
| april | 5° | -7° | 58 mm | ★★☆☆☆ |
| maj | 15° | 3° | 50 mm | ★★★★☆ |
| juni | 22° | 10° | 71 mm | ★★★★☆ |
| juli | 25° | 14° | 81 mm | ★★★★☆ |
| august | 23° | 12° | 80 mm | ★★★★☆ |
| september | 20° | 9° | 65 mm | ★★★★☆ |
| oktober | 11° | 3° | 69 mm | ★★★☆☆ |
| november | -0° | -5° | 52 mm | ★★☆☆☆ |
| december | -7° | -15° | 52 mm | ★★☆☆☆ |
Klima type: Subarctic. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid Ontario
Go in juni, juli, august and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: februar, november and december - expect the least comfortable mix of heat, cold or rain.
What og pack, what og skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 59 km/h.
- If your dates are flexible, avoid februar, november and december - historically the least comfortable months here.
How Ontario compares med nearby places
Annual averages, and the difference against Ontario.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Lake Superior | 425 km | 3°C | +1°C warmer | 790 mm |
| Isle Royale National Park | 429 km | 6°C | +3°C warmer | 761 mm |
| Porcupine Mountains Wilderness State Park | 589 km | 7°C | +5°C warmer | 902 mm |
Se prognosen for Ontario efter tidsinterval
Ontario weather - more answers
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Vejr for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in Canada. Its coordinates are 51.2538, -85.3232. It lies in Nordamerika.
What is the weather like in Ontario lige nu?
It is currently 6°C (43°F) med overskyet. Luftfugtighed is 74% and wind is 25 km/h.
When is the best time og visit Ontario?
juni, juli, august and september offer the most comfortable conditions in Ontario, which has a subarctic climate. februar, november and december are usually the hardest months for outdoor plans.
What time zone is Ontario in?
Ontario observes America/Toronto (UTC-04:00). The local time is 10:04 PM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport og Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things og do in Ontario?
Popular options include CN Tower and Algonquin Provincial Park.
What places are in Ontario?
Ontario covers 4 places in this atlas, including Ottawa, Toronto, Algonquin Provincial Park and Niagara Falls, Ontario.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ca-provinces) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated oktober 4, 2026 at 10:04 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





