Last updated: June 24, 2025
In July, the average temperature in Lancaster, United States is a pleasant 26°C (79°F). While you can expect temperatures to dip as low as 15°C (59°F), be prepared for the occasional heat wave with highs reaching up to 37°C (100°F). During this month, 82 mm (3.2 in) of precipitation typically falls over 9 days, contributing to a high average humidity of 81%. Whether you're soaking up the sun or enjoying the occasional rain, Lancaster offers a dynamic climate to explore!
In July in Lancaster, the average temperature is 26°C (79°F), with maximums reaching 37°C (100°F) and minimums dropping as low as 15°C (59°F). This climate makes Lancaster an ideal destination for travelers seeking warm weather and diverse outdoor activities.
In Lancaster in July, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.
In Lancaster in July, 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.
In Lancaster in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Lancaster.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 54 mm (2.1 inches) | 78% | moderate |
| February Weather | -2°C (29°F) | 53 mm (2.1 inches) | 80% | moderate |
| March Weather | 6°C (42°F) | 98 mm (3.9 inches) | 77% | high |
| April Weather | 10°C (51°F) | 84 mm (3.3 inches) | 77% | very high |
| May Weather | 18°C (64°F) | 152 mm (6.0 inches) | 77% | very high |
| June Weather | 24°C (75°F) | 120 mm (4.7 inches) | 81% | extreme |
| July Weather | 26°C (79°F) | 82 mm (3.2 inches) | 81% | extreme |
| August Weather | 24°C (75°F) | 75 mm (2.9 inches) | 77% | very high |
| September Weather | 21°C (70°F) | 116 mm (4.6 inches) | 73% | very high |
| October Weather | 12°C (55°F) | 126 mm (5.0 inches) | 75% | high |
| November Weather | 5°C (41°F) | 50 mm (2.0 inches) | 85% | moderate |
| December Weather | 1°C (34°F) | 36 mm (1.4 inches) | 83% | low |