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August Weather in Oskaloosa, United States

Last updated: June 24, 2025

In August, the average temperature in Oskaloosa, United States is a warm 25°C (77°F), with minimums dipping to 12°C (54°F) and maximums peaking at 36°C (97°F). Expect about 136 mm (5.3 in) of precipitation spread over 11 days, while the average humidity hovers at a comfortable 78%.

August Temperature in Oskaloosa

In August in Oskaloosa, the average temperature is 25°C (77°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 12°C (54°F). This makes it a perfect time for travelers to enjoy a variety of outdoor activities, but it's advisable to pack layers to stay comfortable throughout the day.

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

The chart illustrates August temperature patterns in Oskaloosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oskaloosa, August typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec303246546577807671564337
Data source: Temperature data for Oskaloosa 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 Oskaloosa

In Oskaloosa in August, the precipitation amount is 136 mm (5.3 in) spread over 11 days.

August Precipitation Trends in Oskaloosa

The chart displays monthly precipitation patterns in Oskaloosa, 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 Oskaloosa, August typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec45311008921812591136851154133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Oskaloosa

In Oskaloosa in August, humidity is 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

August Average Humidity in Oskaloosa

This chart illustrates the average monthly humidity levels in Oskaloosa, 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 Oskaloosa is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Oskaloosa

In Oskaloosa in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Oskaloosa.

Maximum UV Index Levels in Oskaloosa for August

The chart shows the monthly maximum UV Index (UVI) for Oskaloosa 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 Oskaloosa typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Oskaloosa 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 Oskaloosa Compares to Other Months

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

This table compares monthly weather conditions in Oskaloosa, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)45 mm (1.8 inches)76%moderate
February Weather0°C (32°F)31 mm (1.2 inches)77%moderate
March Weather8°C (46°F)100 mm (3.9 inches)70%high
April Weather12°C (54°F)88 mm (3.5 inches)73%very high
May Weather19°C (66°F)218 mm (8.6 inches)82%very high
June Weather25°C (77°F)125 mm (4.9 inches)82%extreme
July Weather26°C (80°F)91 mm (3.6 inches)81%extreme
August Weather25°C (77°F)136 mm (5.3 inches)78%very high
September Weather22°C (72°F)85 mm (3.3 inches)71%very high
October Weather13°C (56°F)115 mm (4.5 inches)71%high
November Weather6°C (44°F)41 mm (1.6 inches)81%moderate
December Weather3°C (37°F)33 mm (1.3 inches)84%moderate

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