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August Weather in Rock Springs, United States

Last updated: June 24, 2025

In August, the average temperature in Rock Springs, United States is a pleasant 21°C (71°F). While you might experience cooler evenings with a minimum of 7°C (44°F), the days can warm up to a balmy 35°C (95°F). Expect some light rain, with an average precipitation of 10 mm (0.4 in) over 2 days, and enjoy the comfortable average humidity of 41%.

August Temperature in Rock Springs

In August in Rock Springs, the average temperature is 21°C (71°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 7°C (44°F). This makes Rock Springs a great destination for travelers who enjoy a mix of warm days and cooler evenings.

August Weather in Rock Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Rock Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Springs, August typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec182131415165737161433321
Data source: Temperature data for Rock Springs 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 Rock Springs

In Rock Springs in August, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

August Precipitation Trends in Rock Springs

The chart displays monthly precipitation patterns in Rock Springs, 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 Rock Springs, August typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec25264039471691020242424
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rock Springs

In Rock Springs in August humidity is 41%. With an average temperature of 21°C (71°F), this humidity feels like a refreshing embrace, making it quite comfortable for traveling and exploring the sights without feeling overly sticky or weighed down.

August Average Humidity in Rock Springs

This chart illustrates the average monthly humidity levels in Rock Springs, 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 Rock Springs is approximately 41%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%85%73%64%57%45%41%50%70%84%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rock Springs

In Rock Springs in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rock Springs.

Maximum UV Index Levels in Rock Springs for August

The chart shows the monthly maximum UV Index (UVI) for Rock Springs 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 Rock Springs typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111212119753
Data source: Rock Springs 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 Rock Springs Compares to Other Months

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

This table compares monthly weather conditions in Rock Springs, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)25 mm (1.0 inches)92%moderate
February Weather-6°C (21°F)26 mm (1.0 inches)93%high
March Weather-1°C (31°F)40 mm (1.6 inches)85%high
April Weather5°C (41°F)39 mm (1.6 inches)73%very high
May Weather11°C (52°F)47 mm (1.9 inches)64%extreme
June Weather18°C (66°F)16 mm (0.6 inches)57%extreme
July Weather23°C (73°F)9 mm (0.4 inches)45%extreme
August Weather21°C (71°F)10 mm (0.4 inches)41%extreme
September Weather16°C (61°F)20 mm (0.8 inches)50%very high
October Weather6°C (43°F)24 mm (0.9 inches)70%high
November Weather1°C (34°F)24 mm (0.9 inches)84%moderate
December Weather-6°C (22°F)24 mm (0.9 inches)90%moderate

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