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August Weather in Sidney, United States

Last updated: June 24, 2025

In August, the average temperature in Sidney, United States is a comfortable 21°C (69°F). Expect a minimum of 6°C (44°F) and a maximum of 32°C (90°F), making it a month of warm variability. With 119 mm (4.7 in) of precipitation spread over 12 days, you might want to keep an umbrella handy. The average humidity hovers around 76%, adding to the balmy atmosphere.

August Temperature in Sidney

In August in Sidney, the average temperature is 21°C (69°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 6°C (44°F). This makes Sidney a great destination for travelers looking to enjoy mild and comfortable weather during this time.

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

The chart illustrates August 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, August typically has an average temperature of 21°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834465766716963533830
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.

August Precipitation in Sidney

In Sidney in August, the total precipitation amount is 119 mm (4.7 in), falling over a span of 12 days.

August Precipitation Trends in Sidney

The chart displays monthly precipitation patterns in Sidney, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Sidney, August typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec79939012212811313411910214810194
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sidney

In Sidney in August, humidity is 76%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable and creating a sticky atmosphere that can sap your energy as you explore.

August Average Humidity in Sidney

This chart illustrates the average monthly humidity levels in Sidney, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Sidney is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sidney

In Sidney in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sidney.

Maximum UV Index Levels in Sidney for August

The chart shows the monthly maximum UV Index (UVI) for Sidney in August, 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 August, the maximum UV index in Sidney typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
Data source: Sidney August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)79 mm (3.1 inches)90%moderate
February Weather-2°C (28°F)93 mm (3.7 inches)90%moderate
March Weather1°C (34°F)90 mm (3.6 inches)87%high
April Weather8°C (46°F)122 mm (4.8 inches)88%very high
May Weather14°C (58°F)128 mm (5.0 inches)82%very high
June Weather19°C (66°F)113 mm (4.4 inches)79%very high
July Weather22°C (71°F)134 mm (5.3 inches)78%very high
August Weather21°C (69°F)119 mm (4.7 inches)76%very high
September Weather17°C (63°F)102 mm (4.0 inches)78%very high
October Weather11°C (53°F)148 mm (5.8 inches)84%high
November Weather3°C (38°F)101 mm (4.0 inches)89%moderate
December Weather-1°C (31°F)93 mm (3.7 inches)86%low

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