Last updated: June 24, 2025
In August, the average temperature in Merrill, United States hovers around 19°C (67°F), with temperatures ranging from a chilly 4°C (40°F) to a warm 31°C (89°F). Expect about 117 mm (4.6 in) of precipitation spread over 12 days, contributing to an average humidity of 73%. Be prepared for a mix of mild weather and occasional showers!
In August in Merrill, the average temperature is 19°C (67°F). Maximums can reach 31°C (89°F) and minimums can be as low as 4°C (40°F). It's a great time for travelers to enjoy mild weather, with the possibility of warm days and cooler nights.
In Merrill in August, the total precipitation amount is 117 mm (4.6 in), occurring over a span of 12 days.
In Merrill in August humidity is 73%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable and sticky, but still manageable as long as you stay hydrated and take breaks in the shade.
In Merrill 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 Merrill.
UV Risk Categories
Weather in Merrill varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Merrill, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 32 mm (1.3 inches) | 89% | low |
| February Weather | -9°C (16°F) | 51 mm (2.0 inches) | 90% | moderate |
| March Weather | -1°C (30°F) | 49 mm (1.9 inches) | 87% | moderate |
| April Weather | 5°C (41°F) | 98 mm (3.8 inches) | 84% | high |
| May Weather | 13°C (56°F) | 100 mm (3.9 inches) | 77% | very high |
| June Weather | 19°C (66°F) | 99 mm (3.9 inches) | 75% | very high |
| July Weather | 21°C (70°F) | 119 mm (4.7 inches) | 74% | very high |
| August Weather | 19°C (67°F) | 117 mm (4.6 inches) | 73% | very high |
| September Weather | 15°C (60°F) | 85 mm (3.3 inches) | 78% | high |
| October Weather | 8°C (46°F) | 116 mm (4.6 inches) | 84% | moderate |
| November Weather | -1°C (31°F) | 49 mm (1.9 inches) | 89% | moderate |
| December Weather | -6°C (22°F) | 53 mm (2.1 inches) | 87% | low |