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August Weather in Union, United States

Last updated: June 24, 2025

In August, the average temperature in Union, United States is a pleasant 24°C (76°F). Temperatures can fluctuate, with a minimum of 15°C (59°F) and a maximum soaring to 35°C (95°F). Visitors should be prepared for average precipitation of 129 mm (5.1 in) over 13 days, along with humidity levels around 65%. Whether you're exploring the sights or indulging in local cuisine, this month offers a comfortable climate for all activities!

August Temperature in Union

In August in Union, the average temperature is 24°C (76°F), with maximums potentially reaching 35°C (95°F) and minimums dropping to as low as 15°C (59°F). This makes it an ideal destination for travelers seeking warm weather while still retaining the option for cooler evenings.

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

The chart illustrates August temperature patterns in Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union, August typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec333641526271777569594537
Data source: Temperature data for Union 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 Union

In Union in August, the precipitation amount is 129 mm (5.1 in) over the course of 13 days.

August Precipitation Trends in Union

The chart displays monthly precipitation patterns in Union, 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 Union, August typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec691031001161239714612910013484108
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Union

In Union in August, humidity is 65%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket—it can make outdoor activities a bit sticky, necessitating plenty of hydration breaks and perhaps a leisurely pace while touring.

August Average Humidity in Union

This chart illustrates the average monthly humidity levels in Union, 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 Union is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Union

In Union 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 Union.

Maximum UV Index Levels in Union for August

The chart shows the monthly maximum UV Index (UVI) for Union 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 Union typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Union 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 Union Compares to Other Months

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

This table compares monthly weather conditions in Union, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)69 mm (2.7 inches)84%moderate
February Weather2°C (36°F)103 mm (4.1 inches)82%moderate
March Weather5°C (42°F)100 mm (3.9 inches)81%high
April Weather11°C (52°F)116 mm (4.6 inches)78%very high
May Weather17°C (62°F)123 mm (4.8 inches)69%very high
June Weather22°C (72°F)97 mm (3.8 inches)69%very high
July Weather25°C (78°F)146 mm (5.7 inches)62%very high
August Weather24°C (76°F)129 mm (5.1 inches)65%very high
September Weather21°C (70°F)100 mm (3.9 inches)68%very high
October Weather15°C (60°F)134 mm (5.3 inches)74%high
November Weather7°C (45°F)84 mm (3.3 inches)82%moderate
December Weather3°C (38°F)108 mm (4.3 inches)80%low

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