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August Weather in Castlewood, United States

Last updated: June 24, 2025

In August, the average temperature in Castlewood, United States hovers around 21°C (70°F). You'll experience a minimum temperature of 8°C (47°F) and can expect a maximum of 33°C (91°F). Be prepared for some rain, as 109 mm (4.3 in) of precipitation is typical over 10 days. Additionally, the air is quite humid with an average humidity level of 83%.

August Temperature in Castlewood

In August in Castlewood, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 8°C (47°F). This makes it an ideal time for travelers to enjoy a mix of warm days and cooler evenings, perfect for outdoor activities and sightseeing.

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

The chart illustrates August temperature patterns in Castlewood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castlewood, August typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec151431415670736962453223
Data source: Temperature data for Castlewood 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 Castlewood

In Castlewood in August, the precipitation amount is 109 mm (4.3 in) spread over 10 days.

August Precipitation Trends in Castlewood

The chart displays monthly precipitation patterns in Castlewood, 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 Castlewood, August typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2218506889798310989772631
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Castlewood

In Castlewood in August humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

August Average Humidity in Castlewood

This chart illustrates the average monthly humidity levels in Castlewood, 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 Castlewood is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Castlewood

In Castlewood 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 Castlewood.

Maximum UV Index Levels in Castlewood for August

The chart shows the monthly maximum UV Index (UVI) for Castlewood 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 Castlewood typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998532
Data source: Castlewood 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 Castlewood Compares to Other Months

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

This table compares monthly weather conditions in Castlewood, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)22 mm (0.9 inches)85%moderate
February Weather-10°C (15°F)18 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)50 mm (2.0 inches)81%high
April Weather5°C (41°F)68 mm (2.7 inches)82%very high
May Weather13°C (56°F)89 mm (3.5 inches)76%very high
June Weather21°C (70°F)79 mm (3.1 inches)81%very high
July Weather23°C (73°F)83 mm (3.3 inches)82%very high
August Weather21°C (70°F)109 mm (4.3 inches)83%very high
September Weather17°C (63°F)88 mm (3.5 inches)82%very high
October Weather7°C (46°F)77 mm (3.0 inches)82%moderate
November Weather0°C (33°F)26 mm (1.0 inches)87%moderate
December Weather-5°C (24°F)31 mm (1.2 inches)84%low

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