August Weather in Lancaster, United States

Last updated: June 24, 2025

In August, the average temperature in Lancaster, United States hovers around 24°C (76°F), making it a pleasant time to visit. Expect temperatures to range from a cool 13°C (56°F) to a warm 36°C (98°F). Rainfall is also part of the mix, with 114 mm (4.5 in) spread over 13 days, so be sure to pack accordingly. The average humidity sits at a comfortable 66%, adding to the overall charm of the month.

August Temperature in Lancaster

In August in Lancaster, the average temperature is 24°C (76°F), with maximums reaching 36°C (98°F) and minimums dropping to as low as 13°C (56°F). Be sure to pack light clothing for the day and a sweater for the cooler evenings.

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 24°C (76°F), with highs reaching up to 36°C (98°F) and lows dropping to around 13°C (56°F).

Data source: Temperature data for Lancaster generated using information from the Copernicus Climate Change Service.

August Precipitation in Lancaster

In Lancaster in August, the total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 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 114 mm (4.5 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Lancaster

In Lancaster in August humidity is 66%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making travel both invigorating and slightly exhausting, as you immerse yourself in the vibrant atmosphere while constantly seeking shade and refreshment.

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 66%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	97 mm (3.8 inches)	88%	moderate
February Weather	6°C (42°F)	167 mm (6.6 inches)	88%	high
March Weather	9°C (49°F)	136 mm (5.4 inches)	87%	high
April Weather	13°C (56°F)	138 mm (5.4 inches)	84%	very high
May Weather	19°C (67°F)	135 mm (5.3 inches)	84%	very high
June Weather	23°C (73°F)	158 mm (6.2 inches)	83%	extreme
July Weather	25°C (78°F)	102 mm (4.0 inches)	79%	extreme
August Weather	24°C (76°F)	114 mm (4.5 inches)	66%	very high
September Weather	22°C (71°F)	126 mm (4.9 inches)	67%	very high
October Weather	16°C (61°F)	117 mm (4.6 inches)	76%	high
November Weather	8°C (46°F)	85 mm (3.3 inches)	89%	moderate
December Weather	5°C (42°F)	140 mm (5.5 inches)	88%	moderate