Last updated: June 18, 2025
In East Gwillimbury, Canada, the average temperature in May hovers around 13°C (56°F). This month can bring a mix of surprises, with minimums plunging to -3°C (27°F) and extremes reaching up to 32°C (90°F). Don't forget your umbrella, as 99 mm (3.9 in) of precipitation is expected over 13 days, paired with a comfortable average humidity of 82%. Prepare for a month of varied weather and plan accordingly!
In May in East Gwillimbury, the average temperature is 13°C (56°F). The maximum can reach 32°C (90°F), while the minimum can dip as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.
In East Gwillimbury in May, the precipitation amount is 99 mm (3.9 in) over the course of 13 days.
In East Gwillimbury in May, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.
In East Gwillimbury in May, 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 East Gwillimbury.
UV Risk Categories
Weather in East Gwillimbury varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in East Gwillimbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 60 mm (2.4 inches) | 91% | low |
| February Weather | -5°C (23°F) | 61 mm (2.4 inches) | 91% | moderate |
| March Weather | 0°C (32°F) | 60 mm (2.4 inches) | 88% | moderate |
| April Weather | 6°C (42°F) | 103 mm (4.1 inches) | 88% | very high |
| May Weather | 13°C (56°F) | 99 mm (3.9 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 94 mm (3.7 inches) | 79% | very high |
| July Weather | 22°C (72°F) | 98 mm (3.9 inches) | 77% | very high |
| August Weather | 21°C (69°F) | 97 mm (3.8 inches) | 72% | very high |
| September Weather | 16°C (62°F) | 64 mm (2.5 inches) | 76% | high |
| October Weather | 10°C (50°F) | 100 mm (3.9 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 74 mm (2.9 inches) | 88% | moderate |
| December Weather | -2°C (28°F) | 67 mm (2.6 inches) | 87% | low |