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August Weather in Sterling, United States

Last updated: June 24, 2025

In August, the average temperature in Sterling, United States is a pleasant 21°C (71°F). During this month, temperatures can range from a cool 7°C (46°F) to a warm 34°C (93°F). Expect about 96 mm (3.8 in) of precipitation spread over 11 days, contributing to an average humidity level of 80%. Stay prepared for a blend of warmth and moisture!

August Temperature in Sterling

In August in Sterling, the average temperature is 21°C (71°F). Maximums can reach 34°C (93°F), while minimums can dip to as low as 7°C (46°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cooler evenings, perfect for exploring and outdoor activities.

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

The chart illustrates August temperature patterns in Sterling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sterling, August typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec232433445768737063513730
Data source: Temperature data for Sterling 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 Sterling

In Sterling in August, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.

August Precipitation Trends in Sterling

The chart displays monthly precipitation patterns in Sterling, 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 Sterling, August typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec50505383105908596781185758
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sterling

In Sterling in August humidity is 80%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

August Average Humidity in Sterling

This chart illustrates the average monthly humidity levels in Sterling, 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 Sterling is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sterling

In Sterling 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 Sterling.

Maximum UV Index Levels in Sterling for August

The chart shows the monthly maximum UV Index (UVI) for Sterling 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 Sterling typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Sterling 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 Sterling Compares to Other Months

Weather in Sterling varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sterling, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sterling, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)50 mm (2.0 inches)88%low
February Weather-5°C (24°F)50 mm (2.0 inches)87%moderate
March Weather1°C (34°F)53 mm (2.1 inches)85%moderate
April Weather7°C (45°F)83 mm (3.3 inches)86%very high
May Weather14°C (58°F)105 mm (4.1 inches)80%very high
June Weather20°C (68°F)90 mm (3.6 inches)80%very high
July Weather23°C (74°F)85 mm (3.4 inches)80%very high
August Weather21°C (71°F)96 mm (3.8 inches)80%very high
September Weather17°C (63°F)78 mm (3.1 inches)80%high
October Weather11°C (52°F)118 mm (4.7 inches)84%moderate
November Weather3°C (37°F)57 mm (2.2 inches)89%moderate
December Weather-1°C (30°F)58 mm (2.3 inches)86%low

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