October Weather in Sidney, United States

Last updated: June 24, 2025

In October, the average temperature in Sidney, United States hovers around 6°C (43°F). However, be prepared for a wide range, as temperatures can dip to -17°C (2°F) or soar up to 32°C (90°F). Expect a precipitation amount of approximately 30 mm (1.2 in) over the course of 5 days, with a notable average humidity of 70%. Stay comfortable and ready for the variability!

October Temperature in Sidney

In October in Sidney, the average temperature is 6°C (43°F). Maximums can reach 32°C (90°F), while minimums can dip as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, suggesting layers to accommodate the fluctuating weather.

October Weather in Sidney: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sidney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sidney, October typically has an average temperature of 6°C (43°F), with highs reaching up to 32°C (90°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Sidney generated using information from the Copernicus Climate Change Service.

October Precipitation in Sidney

In Sidney in October, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.

October Precipitation Trends in Sidney

The chart displays monthly precipitation patterns in Sidney, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sidney, October typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Sidney

In Sidney in October humidity is 70%. With an average temperature of 6°C (43°F), this humidity feels like a chilly mist wrapping around you, making the air feel heavier and potentially damp, which can be uncomfortable for traveling as it adds an extra layer of cold that seeps through your clothes.

October Average Humidity in Sidney

This chart illustrates the average monthly humidity levels in Sidney, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sidney is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sidney

In Sidney 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 Sidney.

Maximum UV Index Levels in Sidney for October

The chart shows the monthly maximum UV Index (UVI) for Sidney in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Sidney typically reaches 5, which falls under the moderate exposure category.

Data source: Sidney October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Sidney Compares to Other Months

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.

This table compares monthly weather conditions in Sidney, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	10 mm (0.4 inches)	83%	low
February Weather	-11°C (13°F)	22 mm (0.8 inches)	86%	moderate
March Weather	-1°C (31°F)	21 mm (0.8 inches)	77%	moderate
April Weather	5°C (41°F)	25 mm (1.0 inches)	72%	very high
May Weather	13°C (55°F)	53 mm (2.1 inches)	77%	very high
June Weather	19°C (67°F)	67 mm (2.6 inches)	79%	very high
July Weather	23°C (73°F)	38 mm (1.5 inches)	78%	very high
August Weather	21°C (70°F)	39 mm (1.5 inches)	74%	very high
September Weather	15°C (60°F)	60 mm (2.3 inches)	68%	high
October Weather	6°C (43°F)	30 mm (1.2 inches)	70%	moderate
November Weather	-1°C (31°F)	19 mm (0.7 inches)	80%	moderate
December Weather	-6°C (22°F)	18 mm (0.7 inches)	84%	low