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August Weather in Caldwell, United States

Last updated: June 24, 2025

In August, the average temperature in Caldwell, United States reaches a warm 30°C (87°F). However, you might experience a range from a comfortable 21°C (70°F) to a scorching 41°C (105°F). Be prepared for 8 days of rainfall, totaling about 119 mm (4.7 in), and enjoy an average humidity level of 67% to complete this tropical experience.

August Temperature in Caldwell

In August, in Caldwell, the average temperature is 30°C (87°F). Maximums can reach 41°C (105°F), and minimums can be as low as 21°C (70°F). Be sure to pack light clothing and stay hydrated while enjoying your trip to Caldwell during this warm weather.

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

The chart illustrates August temperature patterns in Caldwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caldwell, August typically has an average temperature of 30°C (87°F), with highs reaching up to 41°C (105°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec525464687782858681716055
Data source: Temperature data for Caldwell 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 Caldwell

In Caldwell in August, the precipitation amount is 119 mm (4.7 in) over a span of 8 days.

August Precipitation Trends in Caldwell

The chart displays monthly precipitation patterns in Caldwell, 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 Caldwell, August typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7073751371561158511912710272101
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Caldwell

In Caldwell in August, humidity is 67%. With an average temperature of 30°C (87°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel steamy and uncomfortable for traveling.

August Average Humidity in Caldwell

This chart illustrates the average monthly humidity levels in Caldwell, 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 Caldwell is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Caldwell

In Caldwell 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 Caldwell.

Maximum UV Index Levels in Caldwell for August

The chart shows the monthly maximum UV Index (UVI) for Caldwell 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 Caldwell typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110865
Data source: Caldwell 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 Caldwell Compares to Other Months

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

This table compares monthly weather conditions in Caldwell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)70 mm (2.8 inches)79%moderate
February Weather12°C (54°F)73 mm (2.9 inches)80%very high
March Weather18°C (64°F)75 mm (3.0 inches)78%very high
April Weather20°C (69°F)137 mm (5.4 inches)79%extreme
May Weather25°C (77°F)156 mm (6.1 inches)81%extreme
June Weather28°C (83°F)115 mm (4.5 inches)77%extreme
July Weather29°C (85°F)85 mm (3.4 inches)71%extreme
August Weather30°C (87°F)119 mm (4.7 inches)67%extreme
September Weather27°C (81°F)127 mm (5.0 inches)69%very high
October Weather22°C (71°F)102 mm (4.0 inches)73%very high
November Weather16°C (61°F)72 mm (2.8 inches)82%high
December Weather13°C (56°F)101 mm (4.0 inches)87%moderate

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