Last updated: June 24, 2025
In August, the average temperature in Vernonia, United States is a pleasant 18°C (65°F). You'll experience a minimum of 7°C (45°F) and can warm up to a maximum of 37°C (99°F). Expect about 10 mm (0.4 in) of precipitation over 2 days, with average humidity levels around 74%.
In August in Vernonia, the average temperature is 18°C (65°F). Maximums can reach 37°C (99°F) and minimums can be as low as 7°C (45°F). It's an ideal time for travelers seeking mild weather while still being prepared for a range of temperatures.
In Vernonia in August, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.
In Vernonia in August humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.
In Vernonia in August, 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 Vernonia.
UV Risk Categories
Weather in Vernonia varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Vernonia, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (40°F) | 194 mm (7.6 inches) | 85% | low |
February Weather | 4°C (39°F) | 180 mm (7.1 inches) | 84% | moderate |
March Weather | 6°C (43°F) | 152 mm (6.0 inches) | 85% | moderate |
April Weather | 9°C (48°F) | 132 mm (5.2 inches) | 83% | high |
May Weather | 12°C (54°F) | 72 mm (2.9 inches) | 83% | very high |
June Weather | 15°C (59°F) | 62 mm (2.5 inches) | 83% | very high |
July Weather | 17°C (63°F) | 10 mm (0.4 inches) | 82% | very high |
August Weather | 18°C (65°F) | 10 mm (0.4 inches) | 74% | very high |
September Weather | 16°C (60°F) | 79 mm (3.1 inches) | 71% | high |
October Weather | 10°C (50°F) | 119 mm (4.7 inches) | 81% | moderate |
November Weather | 7°C (44°F) | 176 mm (6.9 inches) | 87% | moderate |
December Weather | 4°C (39°F) | 206 mm (8.1 inches) | 87% | low |