Lancaster (PA) Weather and Climate: A Comprehensive Guide
Lancaster experiences great temperature shifts.
The city's weather can transition from very warm days
to cold weather.
It is also known for its large amounts of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
The climate in Lancaster is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 30°C in July to a chilly 4°C in the coolest month, February.
Nights are cooler, with lows often dropping to around -5°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Lancaster has a notably wet climate with abundant precipitation, recording 1149 mm of rain/snowfall per year. Lancaster offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between October (134 mm) and February (66 mm) is not too significant, making the climate enjoyable for visitors and residents alike.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Lancaster serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.2 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Lancaster.
The city experiences its highest humidity in September, reaching 73%. In April, the humidity drops to its lowest level at 59%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain partly cloudy and no rain broken clouds and snowForecast for Lancaster (PA)
The best time of year to visit Lancaster in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 4°C.
October tops the wettest month list with 134 mm of rainfall.
February is the driest month with 66 mm of precipitation.
July is the sunniest month with an average of 310 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.