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October Weather in Sidney, United States

Last updated: June 24, 2025

In Sidney, United States, the average temperature in October hovers around 12°C (54°F). Be prepared for a range, as temperatures can dip to a chilly -6°C (21°F) or soar to a warm 33°C (91°F). During this time, expect 151 mm (5.9 in) of precipitation spread over about 10 days, contributing to an average humidity of 75%. Plan accordingly for a mix of wet and mild days!

October Temperature in Sidney

In October in Sidney, the average temperature is 12°C (54°F), with maximums reaching 33°C (91°F) and minimums dropping to -6°C (21°F). This wide temperature range suggests that travelers should prepare for both warm and cool weather conditions during their visit.

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 12°C (54°F), with highs reaching up to 33°C (91°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec262743526477797570544133
Data source: Temperature data for Sidney generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Sidney

In Sidney in October, the precipitation amount is 151 mm (5.9 in) over a span of 10 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 151 mm (5.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3432946214711191102951512934
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sidney

In Sidney in October, humidity is 75%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that seeps into your bones, making it essential to layer your clothing for comfort while exploring.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
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 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.

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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)34 mm (1.3 inches)76%moderate
February Weather-3°C (27°F)32 mm (1.3 inches)80%moderate
March Weather6°C (43°F)94 mm (3.7 inches)73%high
April Weather11°C (52°F)62 mm (2.4 inches)74%very high
May Weather18°C (64°F)147 mm (5.8 inches)78%very high
June Weather25°C (77°F)111 mm (4.4 inches)82%very high
July Weather26°C (79°F)91 mm (3.6 inches)83%very high
August Weather24°C (76°F)102 mm (4.0 inches)80%very high
September Weather21°C (71°F)95 mm (3.7 inches)75%very high
October Weather12°C (54°F)151 mm (5.9 inches)75%high
November Weather5°C (41°F)29 mm (1.2 inches)82%moderate
December Weather0°C (33°F)34 mm (1.3 inches)83%moderate

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