Last updated: June 24, 2025
In August, the average temperature in Fort Madison, United States hovers around 24°C (75°F), creating a comfortably warm atmosphere. Expect minimum temperatures to drop to 12°C (54°F), while highs can soar up to 36°C (97°F). With 75 mm (3.0 in) of precipitation spread across 8 days, it's advisable to plan for occasional showers. Humidity levels are notably high at 77%, adding a touch of tropical allure to this vibrant locale.
In August in Fort Madison, the average temperature is 24°C (75°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 12°C (54°F). This pleasant range makes it an ideal time for travelers to explore the area's attractions while enjoying comfortable weather.
In Fort Madison in August, the total precipitation amount is 75 mm (3.0 in) over the course of 8 days.
In Fort Madison in August humidity is 77%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling and may require frequent breaks to stay hydrated while exploring.
In Fort Madison 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 Fort Madison.
UV Risk Categories
Weather in Fort Madison varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Fort Madison, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 56 mm (2.2 inches) | 81% | moderate |
| February Weather | -2°C (29°F) | 60 mm (2.3 inches) | 81% | moderate |
| March Weather | 5°C (42°F) | 97 mm (3.8 inches) | 81% | high |
| April Weather | 10°C (51°F) | 92 mm (3.6 inches) | 82% | very high |
| May Weather | 18°C (64°F) | 168 mm (6.6 inches) | 78% | very high |
| June Weather | 24°C (75°F) | 131 mm (5.1 inches) | 81% | extreme |
| July Weather | 26°C (78°F) | 79 mm (3.1 inches) | 79% | very high |
| August Weather | 24°C (75°F) | 75 mm (3.0 inches) | 77% | very high |
| September Weather | 21°C (70°F) | 100 mm (4.0 inches) | 78% | very high |
| October Weather | 13°C (56°F) | 123 mm (4.8 inches) | 78% | high |
| November Weather | 5°C (41°F) | 51 mm (2.0 inches) | 87% | moderate |
| December Weather | 1°C (34°F) | 45 mm (1.8 inches) | 84% | low |