Annual Weather Averages in Somerset Weather Reporting Station
Somerset Weather Reporting Station is 39 miles from Lancaster, so the actual climate in Lancaster can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Lancaster
High Temp: 87 °F
Low Temp: 27 °F
Mean Temp: 57 °F
Precipitation: 2.64"
Humidity: 70%
Dew Point: 46 °F
Wind: 8 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Lancaster
High Temp: 45 °F
Low Temp: 27 °F
Mean Temp: 36 °F
Precipitation: 2.81"
Humidity: 72%
Dew Point: 28 °F
Wind: 10 mph
Pressure: 30.14 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Lancaster
High Temp: 49 °F
Low Temp: 30 °F
Mean Temp: 40 °F
Precipitation: 2.63"
Humidity: 69%
Dew Point: 29 °F
Wind: 10 mph
Pressure: 30.11 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Lancaster
High Temp: 58 °F
Low Temp: 37 °F
Mean Temp: 47 °F
Precipitation: 3.19"
Humidity: 64%
Dew Point: 35 °F
Wind: 10 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Lancaster
High Temp: 69 °F
Low Temp: 46 °F
Mean Temp: 57 °F
Precipitation: 2.77"
Humidity: 62%
Dew Point: 43 °F
Wind: 10 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Lancaster
High Temp: 77 °F
Low Temp: 55 °F
Mean Temp: 66 °F
Precipitation: 2.94"
Humidity: 70%
Dew Point: 54 °F
Wind: 8 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Lancaster
High Temp: 84 °F
Low Temp: 63 °F
Mean Temp: 74 °F
Precipitation: 2.82"
Humidity: 71%
Dew Point: 62 °F
Wind: 7 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Lancaster
High Temp: 87 °F
Low Temp: 67 °F
Mean Temp: 77 °F
Precipitation: 2.94"
Humidity: 74%
Dew Point: 66 °F
Wind: 6 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Lancaster
High Temp: 86 °F
Low Temp: 66 °F
Mean Temp: 76 °F
Precipitation: 2.51"
Humidity: 74%
Dew Point: 65 °F
Wind: 5 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Lancaster
High Temp: 80 °F
Low Temp: 59 °F
Mean Temp: 69 °F
Precipitation: 1.99"
Humidity: 72%
Dew Point: 58 °F
Wind: 5 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Lancaster
High Temp: 70 °F
Low Temp: 47 °F
Mean Temp: 59 °F
Precipitation: 2.01"
Humidity: 72%
Dew Point: 47 °F
Wind: 6 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Lancaster
High Temp: 58 °F
Low Temp: 37 °F
Mean Temp: 47 °F
Precipitation: 2.37"
Humidity: 69%
Dew Point: 36 °F
Wind: 8 mph
Pressure: 30.15 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Lancaster
High Temp: 48 °F
Low Temp: 31 °F
Mean Temp: 39 °F
Precipitation: 2.69"
Humidity: 74%
Dew Point: 31 °F
Wind: 9 mph
Pressure: 30.14 "Hg
Visibility: 9 mi