July Weather in Lancaster, United States

Last updated: June 24, 2025

In July, the average temperature in Lancaster, United States typically hovers around 28°C (82°F). You can expect a range that dips to a minimum of 14°C (58°F) and peaks at a sizzling 42°C (108°F). Rainfall is minimal, with only 2 mm (0.1 in) of precipitation spread over 0 days. Humidity levels average at a comfortable 46%, making it a pleasant time to explore!

July Temperature in Lancaster

In July in Lancaster, the average temperature is 28°C (82°F), with maximums reaching 42°C (108°F) and minimums dipping as low as 14°C (58°F). This diverse temperature range makes Lancaster an ideal destination for travelers seeking both warmth and cooler evenings.

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 28°C (82°F), with highs reaching up to 42°C (108°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec485054616676828175655648
Data source: Temperature data for Lancaster generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Lancaster

In Lancaster in July, the precipitation amount is 2 mm (0.1 in) during a span of 0 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 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec413138178121231243
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Lancaster

In Lancaster in July humidity is 46%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace, making it pleasant for exploring outdoor attractions while also requiring occasional breaks in the shade to stay comfortable.

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 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
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.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)41 mm (1.6 inches)78%moderate
February Weather10°C (50°F)31 mm (1.2 inches)82%high
March Weather12°C (54°F)38 mm (1.5 inches)75%very high
April Weather16°C (62°F)17 mm (0.7 inches)68%very high
May Weather19°C (67°F)7 mm (0.3 inches)57%extreme
June Weather24°C (76°F)1 mm (0.0 inches)52%extreme
July Weather28°C (82°F)2 mm (0.1 inches)46%extreme
August Weather27°C (81°F)1 mm (0.1 inches)39%extreme
September Weather24°C (76°F)2 mm (0.1 inches)48%very high
October Weather18°C (65°F)3 mm (0.1 inches)59%high
November Weather14°C (57°F)12 mm (0.5 inches)72%moderate
December Weather9°C (48°F)42 mm (1.7 inches)76%moderate

Compare Lancaster's Climate with Cities Worldwide