Ontario Loftslag and Average Veður
Loftslag of Ontario: average temperatures, rainfall and seasons month by month.
Loftslag in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | -13° | -22° | 25 mm | ★★☆☆☆ |
| febrúar | -9° | -20° | 37 mm | ★★☆☆☆ |
| mars | -4° | -17° | 41 mm | ★★☆☆☆ |
| apríl | 5° | -7° | 58 mm | ★★☆☆☆ |
| maí | 15° | 3° | 50 mm | ★★★★☆ |
| júní | 22° | 10° | 71 mm | ★★★★☆ |
| júlí | 25° | 14° | 81 mm | ★★★★☆ |
| ágúst | 23° | 12° | 80 mm | ★★★★☆ |
| september | 20° | 9° | 65 mm | ★★★★☆ |
| október | 11° | 3° | 69 mm | ★★★☆☆ |
| nóvember | -0° | -5° | 52 mm | ★★☆☆☆ |
| desember | -7° | -15° | 52 mm | ★★☆☆☆ |
Loftslag type: Subarctic. Heimild: Open-Meteo archive (ERA5).
Recent extremes in Ontario
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Ontario compares með 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 |
Loftslag by city in Ontario
3 cities mapped in this atlas
Loftslag by state park in Ontario
1 state and provincial parks mapped in this atlas
Best time til visit Ontario
Go in júní, júlí, ágúst and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: febrúar, nóvember and desember - expect the least comfortable mix of heat, cold or rain.
What this means for Ontario
Today is slightly cooler than average for október. 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.
Vindhviður til 58 km/h will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 36°C.
What til pack, what til 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 febrúar, nóvember and desember - historically the least comfortable months here.
Samantekt
Ontario is a province in Kanada. Ontario is a Canadian province or territory. Íbúafjöldinn er um 15.6 million. Höfuðborgin er Toronto.
Núna er hitinn 5°C (42°F) in Ontario með skýjað. Hitinn finnst vera 3°C. Í dag er hitinn frá 2°C til 7°C. Líkur á úrkomu eru 11%. Sightseeing conditions score 7.8/10 - góðar aðstæður.
Besti tíminn til að heimsækja Ontario is júní, júlí, ágúst and september. Loftslagið er subarctic. febrúar, nóvember and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 25°C, while janúar is the coldest með 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.
Í einföldu máli. Today is slightly cooler than average for október. The forecast high of 7°C is 3.8°C below the 11°C typical for this month. The best window til be outside is roughly 7 AM til 10 AM, when temperature, rain chance and wind line up best. running is the strongest bet in Ontario today at 9.5/10. Vindhviður til 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
| Tegund | Province |
|---|---|
| Land | Kanada |
| Heimsálfa | Norður-Ameríka |
| Hnit | 51°15′13.7″N 85°19′23.5″W (51.2538, -85.3232) |
| Capital | Toronto |
| Mannfjöldi | 15.600.000 |
| Area | 1.076.395 km² |
| Tímabelti | America/Toronto |
| Staðartími | 12:30 AM (UTC-04:00) |
| Best months | júní, júlí, ágúst and september |
| Loftslag | Subarctic |
Veður map for Ontario
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. 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.
Loftslag 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 Norður-Ameríka.
What is the weather like in Ontario núna?
It is currently 5°C (42°F) með skýjað. Raki is 80% and wind is 7 km/h.
When is the best time til visit Ontario?
júní, júlí, ágúst and september offer the most comfortable conditions in Ontario, which has a subarctic climate. febrúar, nóvember and desember 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 12:30 AM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport til Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things til 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag 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 október 6, 2026 at 12:30 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
