Last updated: June 24, 2025
In October, the average temperature in Arco, United States hovers around 6°C (42°F). However, temperatures can fluctuate significantly, with a minimum of -18°C (0°F) and a maximum reaching 25°C (77°F). Visitors should also prepare for 33 mm (1.3 in) of precipitation over the course of about 5 days, and expect an average humidity level of 64%.
In October in Arco, the average temperature is 6°C (42°F). Maximums can reach 25°C (77°F), and minimums can be as low as -18°C (0°F). It's wise to pack layers and be prepared for both chilly and warm days while exploring the area.
In Arco in October, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.
In Arco in October, humidity is 64%. With an average temperature of 6°C (42°F), this humidity feels like a brisk chill that adds a dampness to the air, making it essential to dress warmly and prepare for a slightly uncomfortable travel experience.
In Arco 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 Arco, you can refer to this Hourly UV Index in Arco.
UV Risk Categories
Weather in Arco varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Arco, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -9°C (16°F) | 29 mm (1.1 inches) | 91% | moderate |
February Weather | -7°C (19°F) | 40 mm (1.6 inches) | 92% | moderate |
March Weather | -1°C (30°F) | 30 mm (1.2 inches) | 85% | high |
April Weather | 4°C (40°F) | 31 mm (1.2 inches) | 76% | very high |
May Weather | 11°C (51°F) | 50 mm (2.0 inches) | 66% | very high |
June Weather | 17°C (63°F) | 32 mm (1.3 inches) | 62% | extreme |
July Weather | 23°C (73°F) | 7 mm (0.3 inches) | 53% | extreme |
August Weather | 21°C (70°F) | 16 mm (0.6 inches) | 42% | very high |
September Weather | 15°C (60°F) | 22 mm (0.9 inches) | 46% | very high |
October Weather | 6°C (42°F) | 33 mm (1.3 inches) | 64% | high |
November Weather | 0°C (31°F) | 22 mm (0.9 inches) | 83% | moderate |
December Weather | -8°C (18°F) | 24 mm (0.9 inches) | 87% | moderate |