Last updated: June 24, 2025
In Merrill, United States, the average temperature in October hovers around 8°C (46°F), with extremes that can plunge to a minimum of -7°C (20°F) and soar to a maximum of 26°C (80°F). Expect some wet days, as 116 mm (4.6 in) of precipitation typically falls over 12 days. To add to the atmosphere, the average humidity levels are quite high at 84%, making for a chilly yet often damp climate.
In October in Merrill, the average temperature is 8°C (46°F). The maximum can reach 26°C (80°F) and the minimum can be as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers to adapt to the fluctuations throughout the day.
In Merrill in October, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.
In Merrill in October humidity is 84%. With an average temperature of 8°C (46°F), this humidity feels like a chilly mist wrapping around you, making outdoor exploration cumbersome and layering your clothing a necessity for comfort.
In Merrill in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, 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 October’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 |