Last updated: June 24, 2025
In Jasper, United States, the average temperature in August is a pleasant 21°C (71°F), with a range that can drop to a cool 8°C (46°F) and soar up to a warm 35°C (95°F). Expect about 102 mm (4.0 in) of precipitation spread over 10 days, contributing to an average humidity of 80%. Whether you’re planning outdoor adventures or cozy indoor activities, it’s a month full of possibilities!
In August in Jasper, the average temperature is 21°C (71°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 8°C (46°F). This range makes Jasper an ideal destination for travelers seeking a mix of warm days and cooler evenings.
In Jasper in August, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.
In Jasper in August humidity is 80%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.
In Jasper in August, 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 Jasper.
UV Risk Categories
Weather in Jasper varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Jasper, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 22 mm (0.9 inches) | 80% | low |
| February Weather | -8°C (19°F) | 24 mm (0.9 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 61 mm (2.4 inches) | 75% | moderate |
| April Weather | 6°C (44°F) | 74 mm (2.9 inches) | 79% | very high |
| May Weather | 15°C (58°F) | 121 mm (4.8 inches) | 74% | very high |
| June Weather | 22°C (72°F) | 94 mm (3.7 inches) | 81% | extreme |
| July Weather | 23°C (74°F) | 91 mm (3.6 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 102 mm (4.0 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 109 mm (4.3 inches) | 75% | very high |
| October Weather | 8°C (48°F) | 80 mm (3.2 inches) | 77% | moderate |
| November Weather | 1°C (34°F) | 26 mm (1.0 inches) | 85% | moderate |
| December Weather | -4°C (26°F) | 37 mm (1.5 inches) | 83% | moderate |