Ontario
Ontario is a tourist destination filled with natural beauty and cultural charm. Its diverse attractions include the European-style town of Almonte, the historic town of Perth, and the traditional shops and restaurants of St. Jacobs Village. Each town has its own unique atmosphere and activities to make your Christmas season the best it can be.
Ontario Top 10 Activities
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Top things to do in Ontario
Recommended travel destinations near Ontario
Best time to visit Ontario
Data source: Meteostat・Last updated: 2025-09
Weather in Ontario throughout the year
Spring (March–May): Avg. -8.2–10.2°C, cold and changeable weather with frequent alternating snow and rain, gradually warming as the season progresses. Common activities: Maple viewing (late March to early April, weather permitting), spring outings (May). Recommended clothing: Warm coat, sweater, waterproof jacket, scarf, hat.
Summer (June–August): Avg. 15.3–17.6°C, warm and humid with higher rainfall. Common activities: Camping, boating, hiking. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Avg. 5.6–13.0°C, cool and pleasant with moderate rainfall, gradually cooling down with changing leaves. Common activities: Maple viewing, harvesting. Recommended clothing: Light jacket, long-sleeved clothing.
Winter (December–February): Avg. -16.5–-8.8°C, cold and dry with significant snowfall. Common activities: Skiing, ice fishing, snow activities. Recommended clothing: Heavy warm coat, warm hat, scarf, gloves, waterproof snow boots.
Weather in Ontario
Annual average temperature: approx. 2.3°C / Annual rainfall: approx. 581 mm / Summer humidity: 65%–75% / Rainiest month: July
Ontario weather by month
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | -16.5°C | -15.3°C | -8.2°C | 0°C | 10.2°C | 15.3°C | 17.6°C | 16.4°C | 13°C | 5.6°C | -2.2°C | -8.8°C |
| Rainfall (mm) | 15.9 | 25.6 | 20.3 | 53 | 59 | 72 | 86.8 | 84.7 | 43.3 | 60 | 39.7 | 21.3 |
7-day weather forecast for Ontario
| Date | 11/5Thursday | 11/6Friday | 11/7Saturday | 11/8Sunday | 11/9Monday | 11/10Tuesday | 11/11Wednesday |
|---|---|---|---|---|---|---|---|
| Weather |  Light snow |  Sunny | Sunny | Sunny |  Overcast |  Mist |  Light freezing rain |
| High | 6.2°C | 3.2°C | 6.6°C | 8.2°C | 8.1°C | 4°C | 1.1°C |
| Low | -2.2°C | -3.5°C | -3°C | -0.7°C | 0.3°C | 0.8°C | -1.6°C |
