Last updated: June 24, 2025
In Arcadia, United States, the average temperature for August hovers around 21°C (70°F), providing a pleasant climate for outdoor activities. Expect temperatures to dip to a cool 10°C (51°F) at night and peak at a warm 33°C (92°F) during the day. With an average precipitation of 141 mm (5.5 in) spread across 11 days, a light shower may accompany your adventures. Additionally, the average humidity sits at a comfortable 78%, ensuring a refreshing atmosphere throughout the month.
In August in Arcadia, the average temperature is 21°C (70°F). Maximum temperatures can reach as high as 33°C (92°F), while minimum temperatures can drop to as low as 10°C (51°F). Overall, it's a great time to visit for pleasant weather and outdoor activities.
In Arcadia in August, the total precipitation amount is 141 mm (5.5 in), which falls over the course of 11 days.
In Arcadia in August, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.
In Arcadia 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 Arcadia.
UV Risk Categories
Weather in Arcadia varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Arcadia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 33 mm (1.3 inches) | 88% | low |
| February Weather | -7°C (20°F) | 48 mm (1.9 inches) | 89% | moderate |
| March Weather | 1°C (35°F) | 56 mm (2.2 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 94 mm (3.7 inches) | 85% | very high |
| May Weather | 15°C (59°F) | 142 mm (5.6 inches) | 79% | very high |
| June Weather | 21°C (70°F) | 155 mm (6.1 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 102 mm (4.0 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 141 mm (5.5 inches) | 78% | very high |
| September Weather | 18°C (64°F) | 113 mm (4.4 inches) | 80% | high |
| October Weather | 9°C (49°F) | 116 mm (4.6 inches) | 84% | moderate |
| November Weather | 1°C (35°F) | 53 mm (2.1 inches) | 89% | moderate |
| December Weather | -4°C (26°F) | 45 mm (1.8 inches) | 85% | low |