Last updated: August 27, 2025
In October, the average temperature in Mercerville-Hamilton Square, United States hovers around 16°C (61°F). Expect a range from a chilly 1°C (34°F) to a warm 35°C (96°F). During this month, 121 mm (4.8 in) of precipitation falls over approximately 10 days, contributing to an average humidity of 74%. Stay prepared for a mix of weather!
In October in Mercerville-Hamilton Square, the average temperature is 16°C (61°F). Maximums can reach up to 35°C (96°F), while minimums can drop as low as 1°C (34°F). This variation in temperatures makes Mercerville-Hamilton Square an exciting destination for travelers seeking both warm days and cool nights.
In Mercerville-Hamilton Square in October, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 days.
In Mercerville-Hamilton Square in October humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.
In Mercerville-Hamilton Square in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Mercerville-Hamilton Square, you can refer to this Hourly UV Index in Mercerville-Hamilton Square.
UV Risk Categories
Weather in Mercerville-Hamilton Square varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Mercerville-Hamilton Square, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 64 mm (2.5 inches) | 84% | moderate | 
| February Weather | 3°C (38°F) | 109 mm (4.3 inches) | 82% | moderate | 
| March Weather | 6°C (43°F) | 109 mm (4.3 inches) | 81% | high | 
| April Weather | 12°C (54°F) | 106 mm (4.2 inches) | 78% | very high | 
| May Weather | 17°C (63°F) | 131 mm (5.1 inches) | 69% | very high | 
| June Weather | 22°C (73°F) | 100 mm (3.9 inches) | 69% | very high | 
| July Weather | 26°C (78°F) | 139 mm (5.5 inches) | 62% | very high | 
| August Weather | 24°C (76°F) | 135 mm (5.3 inches) | 65% | very high | 
| September Weather | 21°C (70°F) | 87 mm (3.4 inches) | 68% | very high | 
| October Weather | 16°C (61°F) | 121 mm (4.8 inches) | 74% | high | 
| November Weather | 8°C (46°F) | 83 mm (3.3 inches) | 82% | moderate | 
| December Weather | 4°C (39°F) | 104 mm (4.1 inches) | 80% | low |