Last updated: June 18, 2025
In April, the average temperature in Perth, Canada hovers around 5°C (42°F). Expect a chilly minimum of -11°C (12°F) and occasional warmth with highs reaching 26°C (80°F). During this month, you can anticipate about 115 mm (4.5 in) of precipitation spread across 13 days, contributing to a high average humidity of 82%.
In April in Perth, the average temperature is 5°C (42°F). Maximum temperatures can reach 26°C (80°F), while minimums can drop as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both warm and cold conditions.
In Perth in April, the precipitation amount is 115 mm (4.5 in) spread over 13 days.
In Perth in April humidity is 82%. With an average temperature of 5°C (42°F), this humidity feels like a wet chill that seeps into your bones, making outdoor exploration uncomfortable and dampening the joy of traveling.
In Perth in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Perth.
UV Risk Categories
Weather in Perth varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Perth, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 72 mm (2.8 inches) | 93% | low |
| February Weather | -7°C (20°F) | 72 mm (2.8 inches) | 93% | moderate |
| March Weather | -2°C (29°F) | 75 mm (2.9 inches) | 86% | moderate |
| April Weather | 5°C (42°F) | 115 mm (4.5 inches) | 82% | very high |
| May Weather | 12°C (55°F) | 102 mm (4.0 inches) | 75% | very high |
| June Weather | 18°C (64°F) | 85 mm (3.3 inches) | 68% | very high |
| July Weather | 21°C (71°F) | 107 mm (4.2 inches) | 69% | very high |
| August Weather | 20°C (69°F) | 87 mm (3.4 inches) | 67% | very high |
| September Weather | 16°C (61°F) | 55 mm (2.2 inches) | 72% | high |
| October Weather | 10°C (49°F) | 126 mm (5.0 inches) | 83% | moderate |
| November Weather | 1°C (35°F) | 89 mm (3.5 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 76 mm (3.0 inches) | 89% | low |