July Weather in Lancaster, United States

Last updated: June 24, 2025

In July, the average temperature in Lancaster, United States hovers around 27°C (81°F), with a comfortable minimum of 17°C (63°F) and a sizzling maximum of 38°C (100°F). Expect 133 mm (5.2 in) of precipitation spread over 13 days, contributing to an average humidity level of 81%. Perfect for those who enjoy a warm, tropical atmosphere!

July Temperature in Lancaster

In July in Lancaster, the average temperature is 27°C (81°F), with maximums reaching 38°C (100°F) and minimums dropping as low as 17°C (63°F). This climate makes it an ideal time for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 17°C (63°F).

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

July Precipitation in Lancaster

In Lancaster in July, the total precipitation amount is 133 mm (5.2 in) spread over 13 days.

July Precipitation Trends in Lancaster

The chart displays monthly precipitation patterns in Lancaster, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Lancaster, July typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Lancaster

In Lancaster in July humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

July Average Humidity in Lancaster

This chart illustrates the average monthly humidity levels in Lancaster, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Lancaster is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Lancaster

In Lancaster in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Lancaster in July, 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 July, the maximum UV index in Lancaster typically reaches 10, which falls under the very high exposure category.

Data source: Lancaster July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	76 mm (3.0 inches)	84%	moderate
February Weather	7°C (44°F)	105 mm (4.1 inches)	83%	moderate
March Weather	9°C (49°F)	92 mm (3.6 inches)	82%	high
April Weather	15°C (59°F)	97 mm (3.8 inches)	81%	very high
May Weather	20°C (68°F)	100 mm (3.9 inches)	80%	very high
June Weather	24°C (76°F)	109 mm (4.3 inches)	82%	very high
July Weather	27°C (81°F)	133 mm (5.2 inches)	81%	very high
August Weather	26°C (79°F)	158 mm (6.2 inches)	81%	very high
September Weather	23°C (74°F)	117 mm (4.6 inches)	78%	very high
October Weather	18°C (65°F)	129 mm (5.1 inches)	80%	high
November Weather	11°C (51°F)	79 mm (3.1 inches)	84%	moderate
December Weather	7°C (45°F)	96 mm (3.8 inches)	84%	moderate