Ontario Klimat and Average Väder
Klimat of Ontario: average temperatures, rainfall and seasons month by month.
Klimat in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | -13° | -22° | 25 mm | ★★☆☆☆ |
| februari | -9° | -20° | 37 mm | ★★☆☆☆ |
| mars | -4° | -17° | 41 mm | ★★☆☆☆ |
| april | 5° | -7° | 58 mm | ★★☆☆☆ |
| maj | 15° | 3° | 50 mm | ★★★★☆ |
| juni | 22° | 10° | 71 mm | ★★★★☆ |
| juli | 25° | 14° | 81 mm | ★★★★☆ |
| augusti | 23° | 12° | 80 mm | ★★★★☆ |
| september | 20° | 9° | 65 mm | ★★★★☆ |
| oktober | 11° | 3° | 69 mm | ★★★☆☆ |
| november | -0° | -5° | 52 mm | ★★☆☆☆ |
| december | -7° | -15° | 52 mm | ★★☆☆☆ |
Klimat type: Subarctic. Källa: Open-Meteo archive (ERA5).
Recent extremes in Ontario
Högest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 |
Klimat by city in Ontario
3 cities mapped in this atlas
Klimat by state park in Ontario
1 state and provincial parks mapped in this atlas
Bästa tiden att besöka Ontario
Go in juni, juli, augusti and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: februari, november and december - expect the least comfortable mix of heat, cold or rain.
What this means for Ontario
Today is slightly cooler than average for oktober. The forecast high of 7°C is 3.8°C below the 11°C typical for this month.
A 11% chance means most of the area stays dry; a passing shower is possible but short.
Vindbyar och 58 km/h will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in juni och augusti.
The gap between the warmest and coldest month averages 36°C.
What och pack, what och 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 58 km/h.
- If your dates are flexible, avoid februari, november and december - historically the least comfortable months here.
Sammanfattning
Ontario is a province in Kanada. Ontario is a Canadian province or territory. Befolkningen är cirka 15.6 million. Huvudstaden är Toronto.
Just nu är det 5°C (42°F) in Ontario med mulet. Det känns som 3°C. I dag varierar temperaturen mellan 2°C och 7°C. Risken för nederbörd är 11%. Sightseeing conditions score 7.8/10 - bra förhållanden.
Bästa tiden att besöka Ontario is juni, juli, augusti and september. Klimatet är subarctic. februari, november and december tend och be the least comfortable months. juli is the warmest month med average highs near 25°C, while januari is the coldest med lows near -22°C.
The closest major airport is Toronto Pearson International Airport (YYZ), about 944 km away. Nearby highlights include CN Tower and Algonquin Provincial Park.
Enkelt förklarat. Today is slightly cooler than average for oktober. The forecast high of 7°C is 3.8°C below the 11°C typical for this month. The best window och be outside is roughly 7 AM och 10 AM, when temperature, rain chance and wind line up best. running is the strongest bet in Ontario today at 9.5/10. Vindbyar och 58 km/h will push high-sided vehicles on exposed roads and bridges.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Ontario
| Typ | Province |
|---|---|
| Land | Kanada |
| Kontinent | Nordamerika |
| Koordinater | 51°15′13.7″N 85°19′23.5″W (51.2538, -85.3232) |
| Capital | Toronto |
| Befolkning | 15.600.000 |
| Area | 1.076.395 km² |
| Tidszon | America/Toronto |
| Lokal tid | 9:35 PM (UTC-04:00) |
| Best months | juni, juli, augusti and september |
| Klimat | Subarctic |
Väder map for Ontario
Animated model layers. Pick a layer och load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Klimat for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in Kanada. Its coordinates are 51.2538, -85.3232. It lies in Nordamerika.
What is the weather like in Ontario just nu?
It is currently 5°C (42°F) med mulet. Luftfuktighet is 80% and wind is 7 km/h.
When is the best time och visit Ontario?
juni, juli, augusti and september offer the most comfortable conditions in Ontario, which has a subarctic climate. februari, 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 9:35 PM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport och Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things och 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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat 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 5, 2026 at 9:35 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
