Best Time至Visit Ontario
最佳旅游时间 Ontario: 六月, 七月, 八月 and 九月. 月份-by-month temperature, rainfall and crowd guidance.
最佳旅游时间 Ontario
Go in 六月, 七月, 八月 and 九月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 二月, 十一月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
气候 in Ontario month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | -13° | -22° | 25 mm | ★★☆☆☆ |
| 二月 | -9° | -20° | 37 mm | ★★☆☆☆ |
| 三月 | -4° | -17° | 41 mm | ★★☆☆☆ |
| 四月 | 5° | -7° | 58 mm | ★★☆☆☆ |
| 五月 | 15° | 3° | 50 mm | ★★★★☆ |
| 六月 | 22° | 10° | 71 mm | ★★★★☆ |
| 七月 | 25° | 14° | 81 mm | ★★★★☆ |
| 八月 | 23° | 12° | 80 mm | ★★★★☆ |
| 九月 | 20° | 9° | 65 mm | ★★★★☆ |
| 十月 | 11° | 3° | 69 mm | ★★★☆☆ |
| 十一月 | -0° | -5° | 52 mm | ★★☆☆☆ |
| 十二月 | -7° | -15° | 52 mm | ★★☆☆☆ |
气候 type: Subarctic. 来源： Open-Meteo archive (ERA5).
How Ontario compares，天气为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 |
最佳旅游时间 each city in Ontario
3 cities mapped in this atlas
最佳旅游时间 each state park in Ontario
1 state and provincial parks mapped in this atlas
What至pack, what至skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots，天气为grip for ice
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 63 km/h.
- If your dates are flexible, avoid 二月, 十一月 and 十二月 - historically the least comfortable months here.
摘要
Ontario is a province in 加拿大. Ontario is a Canadian province or territory. 人口约为15.6 million. 首都是Toronto.
目前气温为15°C (59°F) in Ontario，天气为阴天. 体感温度为12°C. 今天气温在9°C至19°C. 降水概率为15%. Sightseeing conditions score 8.9/10 - 极佳 — 现在适合出行.
最佳旅游时间是Ontario is 六月, 七月, 八月 and 九月. 气候为subarctic. 二月, 十一月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天气为average highs near 25°C, while 一月 is the coldest，天气为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.
简单来说。 Today is much warmer than average for 十月. The forecast high of 19°C is 8.3°C above the 11°C typical for this month. The best window至be outside is roughly 11 AM至2 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Ontario today at 8.9/10. 阵风至63 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.
天气：Ontario现在
Open-Meteo Updated 5:44 AM, 十月 25 local time.
Weekend outlook
🌦️ 19° / 9°
Light drizzle · 15% rain · wind 27 km/h
☁️ 15° / 1°
阴天 · 3% rain · wind 31 km/h
可做的活动 in Ontario
景点, parks and landmarks in and around Ontario.
Quick facts about Ontario
Explore Ontario
Every topic we hold for this place, and the same topic for the places around it.
Best Time至Visit for related places
Frequently asked questions
Where is Ontario?
Ontario is a province in 加拿大. Its coordinates are 51.2538, -85.3232. It lies in 北美洲.
What is the weather like in Ontario现在?
It is currently 15°C (59°F)，天气为阴天. 湿度 is 72% and wind is 22 km/h.
When is the best time至visit Ontario?
六月, 七月, 八月 and 九月 offer the most comfortable conditions in Ontario, which has a subarctic climate. 二月, 十一月 and 十二月 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 5:44 AM.
How many people live in Ontario?
Ontario has a population of approximately 15.6 million.
What is the nearest airport至Ontario?
The closest airports are Toronto Pearson International Airport (YYZ), 944 km away.
What are the top things至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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 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 十月 25, 2026 at 5:44 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
