Ontario Clima and Average Tempo
Clima of Ontario: average temperatures, rainfall and seasons month by month.
Clima in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mês | Máxima média | Mínima média | Precipitação | Avaliação |
|---|---|---|---|---|
| janeiro | -13° | -22° | 25 mm | ★★☆☆☆ |
| fevereiro | -9° | -20° | 37 mm | ★★☆☆☆ |
| março | -4° | -17° | 41 mm | ★★☆☆☆ |
| abril | 5° | -7° | 58 mm | ★★☆☆☆ |
| mai | 15° | 3° | 50 mm | ★★★★☆ |
| junho | 22° | 10° | 71 mm | ★★★★☆ |
| julho | 25° | 14° | 81 mm | ★★★★☆ |
| agosto | 23° | 12° | 80 mm | ★★★★☆ |
| setembro | 20° | 9° | 65 mm | ★★★★☆ |
| outubro | 11° | 3° | 69 mm | ★★★☆☆ |
| novembro | -0° | -5° | 52 mm | ★★☆☆☆ |
| dezembro | -7° | -15° | 52 mm | ★★☆☆☆ |
Clima type: Subarctic. Fonte: Open-Meteo archive (ERA5).
Recent extremes in Ontario
Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Ontario compares com 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 |
Clima by city in Ontario
3 cities mapped in this atlas
Clima by state park in Ontario
1 state and provincial parks mapped in this atlas
Melhor época para visitar Ontario
Go in junho, julho, agosto and setembro. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: fevereiro, novembro and dezembro – expect the least comfortable mix of heat, cold or rain.
What this means for Ontario
Today is about average for outubro. The forecast high of 10°C is in line com the 11°C typical for this month.
Chuva is very unlikely today – plans do not need a backup.
Overnight lows near -4°C mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in junho a agosto.
The gap between the warmest and coldest month averages 36°C.
What a pack, what a skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots com grip for ice
- Avoid high-elevation trails without traction devices – frozen surfaces persist in shade all day.
- If your dates are flexible, avoid fevereiro, novembro and dezembro – historically the least comfortable months here.
Resumo
Ontario is a province in Canadá. Ontario is a Canadian province or territory. Tem uma população de cerca de 15.6 million. A capital é Toronto.
Neste momento, a temperatura é de 4°C (39°F) in Ontario com parcialmente nublado. A sensação térmica é de -0°C. Hoje as temperaturas variam de -4°C a 10°C. A probabilidade de precipitação é de 4%. As condições para passeios turísticos têm pontuação de 7.5/10 – boas condições.
A melhor época para visitar Ontario is junho, julho, agosto and setembro. O clima é subarctic. fevereiro, novembro and dezembro costumam ser os meses menos confortáveis. julho é o mês mais quente, com máximas médias próximas de 25°C, enquanto janeiro é o mês mais frio, com mínimas próximas de -22°C.
O principal aeroporto mais próximo é Toronto Pearson International Airport (YYZ), about 944 km away. Entre os destaques próximos estão CN Tower and Algonquin Provincial Park.
Em termos simples. Today is about average for outubro. The forecast high of 10°C is in line com the 11°C typical for this month. The best window a be outside is roughly 3 PM a 6 PM, when temperature, rain chance and wind line up best. driving is the strongest bet in Ontario today at 9.3/10. Overnight lows near -4°C mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Ontario
| Tipo | Province |
|---|---|
| País | Canadá |
| Continente | América do Norte |
| Coordenadas | 51°15′13.7″N 85°19′23.5″W (51.2538, -85.3232) |
| Capital | Toronto |
| População | 15.600.000 |
| Area | 1.076.395 km² |
| Fuso horário | America/Toronto |
| Hora local | 2:51 AM (UTC-04:00) |
| Melhores meses | junho, julho, agosto and setembro |
| Clima | Subarctic |
Tempo map for Ontario
Animated model layers. Pick a layer a load it.
Animated layers by Ventoy. 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.
Clima for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in Canadá. Its coordinates are 51.2538, -85.3232. It lies in América do Norte.
What is the weather like in Ontario agora?
It is currently 4°C (39°F) com parcialmente nublado. Humidade is 70% and wind is 12 km/h.
When is the best time a visit Ontario?
junho, julho, agosto and setembro offer the most comfortable conditions in Ontario, which has a subarctic climate. fevereiro, novembro and dezembro are usually the hardest months for outdoor plans.
What time zone is Ontario in?
Ontario observes America/Toronto (UTC-04:00). The hora local is 2:51 AM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport a Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things a 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. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima 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 outubro 18, 2026 at 2:51 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.





