Weather in Ontario in June
Ontario, United States averages a high of 28.7°C (83.7°F) and low of 15.2°C (59.4°F) in June, with 0 rain days and 13.4 hours of daily sunshine. Travel score: 99.5/100 (Excellent). The best time to visit Ontario is July.
High
29°C84°F
Low
15°C59°F
🌧️
0
rain days
☀️
13.4
hrs/day sunshine
💧
60%
humidity
100— Excellent
June in Ontario is hot and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Ontario?
How much does it rain in Ontario in June?
Ontario receives an average of 1.9mm of rainfall across 0 rainy days in June. The annual total is 403.1mm.
What should I pack for Ontario in June?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 14°C from day to night
Traveling to United States in June?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Ontario
Popular comparisons:
How can I plan my trip to Ontario?
What other cities are near Ontario?
What are other popular cities in United States?
What is the weather like in other months in Ontario?
Data based on 1994–2024 averages · Last updated: 2024-12-31