Last updated: June 24, 2025
In August, the average temperature in Charles City, United States hovers around 21°C (71°F). Expect a minimum of 10°C (50°F) and a maximum soaring to 36°C (97°F). Be prepared for some rain, as 116 mm (4.6 in) of precipitation is expected over 9 days, contributing to the high average humidity of 77%.
In August in Charles City, the average temperature is 21°C (71°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 10°C (50°F). This makes it a great time to travel, as you can enjoy warm days while still having the option for cooler evenings.
In Charles City in August, the precipitation amount is 116 mm (4.6 in) spread over 9 days.
In Charles City in August, humidity is 77%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace that envelops you, making it both refreshing and slightly heavy, which can be a bit tiring for traveling.
In Charles City 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 Charles City.
UV Risk Categories
Weather in Charles City varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Charles City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 38 mm (1.5 inches) | 82% | moderate |
| February Weather | -7°C (19°F) | 48 mm (1.9 inches) | 84% | moderate |
| March Weather | 2°C (36°F) | 72 mm (2.8 inches) | 80% | moderate |
| April Weather | 8°C (46°F) | 74 mm (2.9 inches) | 81% | very high |
| May Weather | 16°C (60°F) | 159 mm (6.3 inches) | 74% | very high |
| June Weather | 22°C (72°F) | 123 mm (4.8 inches) | 80% | extreme |
| July Weather | 23°C (74°F) | 91 mm (3.6 inches) | 80% | very high |
| August Weather | 21°C (71°F) | 116 mm (4.6 inches) | 77% | very high |
| September Weather | 19°C (66°F) | 105 mm (4.1 inches) | 75% | very high |
| October Weather | 10°C (50°F) | 128 mm (5.0 inches) | 80% | moderate |
| November Weather | 2°C (35°F) | 49 mm (1.9 inches) | 87% | moderate |
| December Weather | -2°C (28°F) | 37 mm (1.4 inches) | 83% | moderate |