Last updated: June 18, 2025
In August, the average temperature in Prince Rupert, Canada hovers around 14°C (57°F), offering a pleasant climate for visitors. However, temperatures can dip to a cool 7°C (45°F) or rise as high as 24°C (75°F). Be prepared for 243 mm (9.6 in) of precipitation over 18 days, and experience the region's high humidity at an average of 92%. Whether you’re exploring the outdoors or seeking indoor activities, the weather is sure to influence your plans!
In August in Prince Rupert, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 24°C (75°F), while minimums can dip as low as 7°C (45°F). This mild climate makes Prince Rupert an ideal destination for travelers seeking pleasant weather and outdoor activities.
In Prince Rupert in August, the precipitation amount is 243 mm (9.6 in) spread over 18 days, indicating a significant level of rainfall during that period.
In Prince Rupert in August humidity is 92%. With an average temperature of 14°C (57°F), this humidity feels like you’re stepping into a steamy embrace, making outdoor explorations both invigorating and exhausting, as the air weighs down with moisture.
In Prince Rupert in August, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Prince Rupert.
UV Risk Categories
Weather in Prince Rupert varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Prince Rupert, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 285 mm (11.2 inches) | 86% | low |
| February Weather | 1°C (34°F) | 240 mm (9.4 inches) | 85% | low |
| March Weather | 3°C (38°F) | 277 mm (10.9 inches) | 84% | moderate |
| April Weather | 6°C (43°F) | 215 mm (8.4 inches) | 85% | moderate |
| May Weather | 9°C (49°F) | 131 mm (5.2 inches) | 81% | high |
| June Weather | 12°C (53°F) | 171 mm (6.7 inches) | 81% | high |
| July Weather | 14°C (57°F) | 134 mm (5.3 inches) | 90% | very high |
| August Weather | 14°C (57°F) | 243 mm (9.6 inches) | 92% | high |
| September Weather | 12°C (54°F) | 256 mm (10.1 inches) | 92% | moderate |
| October Weather | 8°C (46°F) | 339 mm (13.3 inches) | 91% | moderate |
| November Weather | 5°C (42°F) | 446 mm (17.5 inches) | 87% | low |
| December Weather | 2°C (36°F) | 314 mm (12.4 inches) | 87% | low |