Last updated: June 18, 2025
In Waterloo, Canada, the average temperature in June stands at a comfortable 17°C (64°F). During this time, you may experience a minimum temperature of 1°C (34°F) and a maximum of 32°C (90°F). Expect some rain, with an average precipitation of 126 mm (5.0 in) over 14 days. This period boasts an average humidity of 74%, creating a warm and sometimes muggy atmosphere.
In June, in Waterloo, the average temperature is 17°C (64°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 1°C (34°F). Be prepared for a wide range of temperatures, making it essential to pack for both warm and cool conditions during your travels.
In Waterloo in June, the precipitation amount is 126 mm (5.0 in) over a span of 14 days.
In Waterloo in June, humidity is 74%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities somewhat uncomfortable, especially for travelers who enjoy exploring. It's advisable to stay hydrated and take frequent breaks in the shade to fully enjoy your adventures.
In Waterloo in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Waterloo.
UV Risk Categories
Weather in Waterloo varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Waterloo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 93 mm (3.7 inches) | 93% | low |
| February Weather | -7°C (20°F) | 89 mm (3.5 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 90 mm (3.5 inches) | 86% | moderate |
| April Weather | 5°C (42°F) | 120 mm (4.7 inches) | 85% | high |
| May Weather | 13°C (55°F) | 106 mm (4.2 inches) | 80% | very high |
| June Weather | 17°C (64°F) | 126 mm (5.0 inches) | 74% | very high |
| July Weather | 20°C (69°F) | 123 mm (4.8 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 128 mm (5.0 inches) | 75% | very high |
| September Weather | 15°C (60°F) | 84 mm (3.3 inches) | 78% | high |
| October Weather | 9°C (49°F) | 147 mm (5.8 inches) | 86% | moderate |
| November Weather | 1°C (33°F) | 125 mm (4.9 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 86 mm (3.4 inches) | 89% | low |