August Weather in Lancaster, United States

Last updated: June 24, 2025

In August, the average temperature in Lancaster, United States hovers around 26°C (79°F), with a comfortable minimum of 18°C (64°F) and a warm maximum of 35°C (95°F). Visitors can expect 158 mm (6.2 in) of precipitation spread over 15 days, contributing to an average humidity level of 81%. Prepare for a lush and vibrant environment!

August Temperature in Lancaster

In August, in Lancaster, the average temperature is 26°C (79°F). Maximums can reach 35°C (95°F), and minimums can be as low as 18°C (64°F). This makes Lancaster an ideal destination for travelers seeking warm weather and comfortable conditions.

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

The chart illustrates August temperature patterns in Lancaster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lancaster, August typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec404449586876817974655145
Data source: Temperature data for Lancaster 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 Lancaster

In Lancaster in August, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

August Precipitation Trends in Lancaster

The chart displays monthly precipitation patterns in Lancaster, 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 Lancaster, August typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7610592981001091331581171297997
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Lancaster

In Lancaster in August, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

August Average Humidity in Lancaster

This chart illustrates the average monthly humidity levels in Lancaster, 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 Lancaster is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%82%81%80%82%81%81%78%80%84%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Lancaster

In Lancaster 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 Lancaster.

Maximum UV Index Levels in Lancaster for August

The chart shows the monthly maximum UV Index (UVI) for Lancaster 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 Lancaster typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Lancaster 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 Lancaster Compares to Other Months

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

This table compares monthly weather conditions in Lancaster, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)76 mm (3.0 inches)84%moderate
February Weather7°C (44°F)105 mm (4.1 inches)83%moderate
March Weather9°C (49°F)92 mm (3.6 inches)82%high
April Weather15°C (59°F)97 mm (3.8 inches)81%very high
May Weather20°C (68°F)100 mm (3.9 inches)80%very high
June Weather24°C (76°F)109 mm (4.3 inches)82%very high
July Weather27°C (81°F)133 mm (5.2 inches)81%very high
August Weather26°C (79°F)158 mm (6.2 inches)81%very high
September Weather23°C (74°F)117 mm (4.6 inches)78%very high
October Weather18°C (65°F)129 mm (5.1 inches)80%high
November Weather11°C (51°F)79 mm (3.1 inches)84%moderate
December Weather7°C (45°F)96 mm (3.8 inches)84%moderate

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