Last updated: June 24, 2025
In October, the average temperature in Sidney, United States hovers around 9°C (49°F). Temperatures can vary dramatically, with minimums dipping to -15°C (5°F) and maximums soaring to 29°C (85°F). Expect about 31 mm (1.2 in) of precipitation over 5 days, and be prepared for a relatively humid atmosphere with an average humidity of 73%.
In October in Sidney, the average temperature is 9°C (49°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In Sidney in October, the precipitation amount is 31 mm (1.2 in) spread over 5 days.
In Sidney in October, humidity is 73%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making outdoor activities slightly uncomfortable and requiring extra layers for warmth while traveling.
In Sidney 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 Sidney, you can refer to this Hourly UV Index in Sidney.
UV Risk Categories
Weather in Sidney varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sidney, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (32°F) | 12 mm (0.5 inches) | 72% | moderate |
February Weather | -1°C (30°F) | 18 mm (0.7 inches) | 76% | moderate |
March Weather | 5°C (42°F) | 63 mm (2.5 inches) | 61% | high |
April Weather | 9°C (48°F) | 58 mm (2.3 inches) | 60% | very high |
May Weather | 14°C (57°F) | 116 mm (4.6 inches) | 74% | very high |
June Weather | 22°C (71°F) | 51 mm (2.0 inches) | 82% | extreme |
July Weather | 24°C (76°F) | 48 mm (1.9 inches) | 82% | extreme |
August Weather | 23°C (73°F) | 31 mm (1.2 inches) | 84% | very high |
September Weather | 19°C (67°F) | 26 mm (1.0 inches) | 75% | very high |
October Weather | 9°C (49°F) | 31 mm (1.2 inches) | 73% | high |
November Weather | 6°C (42°F) | 21 mm (0.8 inches) | 74% | moderate |
December Weather | 1°C (35°F) | 14 mm (0.6 inches) | 77% | moderate |