Province in Kanada

Ontario Klima and Average Wetter

Klima of Ontario: average temperatures, rainfall and seasons month by month.

☁️ 5°C now🕔 10:32 PM local📅 Best: Juni, Juli, August and September👥 15.6 million

Klima in Ontario month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMäAprMaiJunJulAugSepOktNovDezLine: average high · Bars: rainfall
MonatDurchschnittliches MaximumDurchschnittliches MinimumNiederschlagBewertung
Januar-13°-22°25 mm★★☆☆☆
Februar-9°-20°37 mm★★☆☆☆
März-4°-17°41 mm★★☆☆☆
April5°-7°58 mm★★☆☆☆
Mai15°3°50 mm★★★★☆
Juni22°10°71 mm★★★★☆
Juli25°14°81 mm★★★★☆
August23°12°80 mm★★★★☆
September20°9°65 mm★★★★☆
Oktober11°3°69 mm★★★☆☆
November-0°-5°52 mm★★☆☆☆
Dezember-7°-15°52 mm★★☆☆☆

Klima type: Subarctic. Quelle: Open-Meteo archive (ERA5).

Recent extremes in Ontario

Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.

Hottest day35°CJul 13, 2026
Coldest night-37°CJan 20, 2025
Wettest day53 mmSep 3, 2025

How Ontario compares mit nearby places

Annual averages, and the difference against Ontario.

PlaceDistanceAvg tempvs hereAnnual rain
Lake Superior425 km3°C+1°C warmer790 mm
Isle Royale National Park429 km6°C+3°C warmer761 mm
Porcupine Mountains Wilderness State Park589 km7°C+5°C warmer902 mm

Klima by city in Ontario

3 cities mapped in this atlas

Klima by state park in Ontario

1 state and provincial parks mapped in this atlas

Beste Reisezeit 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 Dezember – expect the least comfortable mix of heat, cold or rain.

Januar★★☆☆☆
Februar★★☆☆☆
März★★☆☆☆
April★★☆☆☆
Mai★★★★☆
Juni★★★★☆
Juli★★★★☆
August★★★★☆
September★★★★☆
Oktober★★★☆☆
November★★☆☆☆
Dezember★★☆☆☆

What this means for Ontario

Compared mit normal

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.

Regen chance explained

A 11% chance means most of the area stays dry; a passing shower is possible but short.

Reisen and driving

Böen und 58 km/h will push high-sided vehicles on exposed roads and bridges.

Worth knowing

Northern Hemisphere, so peak summer falls in Juni und August.

Worth knowing

The gap between the warmest and coldest month averages 36°C.

What und pack, what und skip

Pack for the next 7 days
  • 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
Worth avoiding
  • Avoid exposed ridgelines, small boats and rooftop viewpoints während gusts stay above 58 km/h.
  • If your dates are flexible, avoid Februar, November and Dezember – historically the least comfortable months here.

Zusammenfassung

Ontario is a province in Kanada. Ontario is a Canadian province or territory. Die Einwohnerzahl beträgt etwa 15.6 million. Die Hauptstadt ist Toronto.

Aktuell sind es 5°C (42°F) in Ontario mit bedeckt. Die gefühlte Temperatur beträgt 3°C. Heute liegen die Temperaturen zwischen 2°C und 7°C. Die Niederschlagswahrscheinlichkeit beträgt 11%. Die Bedingungen für Besichtigungen erreichen 7.8/10 – gute bedingungen.

Die beste Reisezeit für Ontario is Juni, Juli, August and September. Das Klima ist subarctic. Februar, November and Dezember sind meist die ungemütlichsten Mo.ate. Juli ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 25°C, während Januar ist der kälteste Mo.at mit Tiefstwerten um -22°C.

Der nächstgelegene große Flughafen ist Toronto Pearson International Airport (YYZ), about 944 km away. Zu den Sehenswürdigkeiten in der Nähe gehören CN Tower and Algonquin Provincial Park.

Kurz gesagt. 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 und be outside is roughly 7 AM und 10 AM, when temperature, rain chance and wind line up best. running is the strongest bet in Ontario today at 9.5/10. Böen und 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

TypProvince
LandKanada
KontinentNordamerika
Koordinaten51°15′13.7″N 85°19′23.5″W (51.2538, -85.3232)
CapitalToronto
Bevölkerung15.600.000
Area1.076.395 km²
ZeitzoneAmerica/Toronto
Ortszeit10:32 PM (UTC-04:00)
Beste MonateJuni, Juli, August and September
KlimaSubarctic

Wetter map for Ontario

Animated model layers. Pick a layer und load it.

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Animated layers by Windy. 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.

Klima 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 jetzt?

It is currently 5°C (42°F) mit bedeckt. Luftfeuchtigkeit is 80% and wind is 7 km/h.

When is the best time und visit Ontario?

Juni, Juli, August and September offer the most comfortable conditions in Ontario, which has a subarctic climate. Februar, November and Dezember are usually the hardest months for outdoor plans.

What time zone is Ontario in?

Ontario observes America/Toronto (UTC-04:00). The Ortszeit is 10:32 PM.

How many people live in Ontario?

Ontario has a population of approximately 15.6 million.

What is the nearest airport und Ontario?

The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.

What are the top things und 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 dataUSPOTUS Atlas dataset (ca-provinces) – coordinates, hierarchy and facts.
Vorhersage and observationsOpen-Meteo (ECMWF and national models).
Luftqualität and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 10:32 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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