Hot-summer humid continental climate
Climate Lancaster - Pennsylvania
Annual high63ºF
Annual low43ºF
Precipitation42.81 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 38 | 22 | 2.88 | 6 |
| Feb | 41 | 24 | 2.47 | 8 |
| Mar | 51 | 31 | 3.27 | 1 |
| Apr | 63 | 40 | 3.38 | 0 |
| May | 73 | 50 | 3.89 | 0 |
| Jun | 81 | 60 | 3.94 | 0 |
| Jul | 85 | 64 | 4.50 | 0 |
| Aug | 83 | 63 | 3.20 | 0 |
| Sep | 76 | 55 | 4.56 | 0 |
| Oct | 65 | 43 | 3.85 | 0 |
| Nov | 54 | 35 | 3.60 | 0 |
| Dec | 42 | 26 | 3.27 | 3 |
- JanHigh 38ºFLow 22ºFPrecip 2.88 inch
- FebHigh 41ºFLow 24ºFPrecip 2.47 inch
- MarHigh 51ºFLow 31ºFPrecip 3.27 inch
- AprHigh 63ºFLow 40ºFPrecip 3.38 inch
- MayHigh 73ºFLow 50ºFPrecip 3.89 inch
- JunHigh 81ºFLow 60ºFPrecip 3.94 inch
- JulHigh 85ºFLow 64ºFPrecip 4.50 inch
- AugHigh 83ºFLow 63ºFPrecip 3.20 inch
- SepHigh 76ºFLow 55ºFPrecip 4.56 inch
- OctHigh 65ºFLow 43ºFPrecip 3.85 inch
- NovHigh 54ºFLow 35ºFPrecip 3.60 inch
- DecHigh 42ºFLow 26ºFPrecip 3.27 inch
Climate summary
What is the average weather in Lancaster, Pennsylvania?
Lancaster experiences a humid continental climate, marked by warm summers and cold winters. Precipitation is fairly wet and spread relatively evenly through the year, though winter moisture often arrives as regular snowfall. The area sees strong seasonal temperature contrasts.
Lancaster weather averages
Annual high63ºF
Annual low43ºF
Precipitation42.81 inch
Snowfall18 inch
Daily normals Lancaster - Pennsylvania - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 40.9 | 24.0 | 0.09 | 0.09 | 0.10 | 0.10 |
| Jan 2 | 40.8 | 23.8 | 0.19 | 0.19 | 0.20 | 0.20 |
| Jan 3 | 40.7 | 23.6 | 0.28 | 0.28 | 0.30 | 0.30 |
| Jan 4 | 40.5 | 23.5 | 0.38 | 0.38 | 0.40 | 0.40 |
| Jan 5 | 40.4 | 23.3 | 0.47 | 0.47 | 0.50 | 0.50 |
| Jan 6 | 40.3 | 23.2 | 0.57 | 0.57 | 0.60 | 0.60 |
| Jan 7 | 40.2 | 23.0 | 0.67 | 0.67 | 0.70 | 0.70 |
| Jan 8 | 40.1 | 22.8 | 0.76 | 0.76 | 0.80 | 0.80 |
| Jan 9 | 40.0 | 22.7 | 0.85 | 0.85 | 1.00 | 1.00 |
| Jan 10 | 39.9 | 22.6 | 0.95 | 0.95 | 1.20 | 1.20 |
| Jan 11 | 39.8 | 22.4 | 1.05 | 1.05 | 1.30 | 1.30 |
| Jan 12 | 39.8 | 22.3 | 1.15 | 1.15 | 1.50 | 1.50 |
| Jan 13 | 39.7 | 22.2 | 1.24 | 1.24 | 1.80 | 1.80 |
| Jan 14 | 39.7 | 22.1 | 1.34 | 1.34 | 2.00 | 2.00 |
| Jan 15 | 39.6 | 22.0 | 1.44 | 1.44 | 2.20 | 2.20 |
| Jan 16 | 39.6 | 21.9 | 1.54 | 1.54 | 2.40 | 2.40 |
| Jan 17 | 39.5 | 21.8 | 1.64 | 1.64 | 2.60 | 2.60 |
| Jan 18 | 39.5 | 21.7 | 1.73 | 1.73 | 2.80 | 2.80 |
| Jan 19 | 39.5 | 21.6 | 1.83 | 1.83 | 3.00 | 3.00 |
| Jan 20 | 39.5 | 21.6 | 1.93 | 1.93 | 3.20 | 3.20 |
| Jan 21 | 39.5 | 21.5 | 2.03 | 2.03 | 3.50 | 3.50 |
| Jan 22 | 39.5 | 21.5 | 2.12 | 2.12 | 3.70 | 3.70 |
| Jan 23 | 39.5 | 21.5 | 2.22 | 2.22 | 3.90 | 3.90 |
| Jan 24 | 39.6 | 21.4 | 2.32 | 2.32 | 4.10 | 4.10 |
| Jan 25 | 39.6 | 21.4 | 2.42 | 2.42 | 4.40 | 4.40 |
| Jan 26 | 39.7 | 21.4 | 2.52 | 2.52 | 4.60 | 4.60 |
| Jan 27 | 39.7 | 21.4 | 2.62 | 2.62 | 4.90 | 4.90 |
| Jan 28 | 39.8 | 21.4 | 2.71 | 2.71 | 5.20 | 5.20 |
| Jan 29 | 39.9 | 21.5 | 2.81 | 2.81 | 5.50 | 5.50 |
| Jan 30 | 40.0 | 21.5 | 2.91 | 2.91 | 5.80 | 5.80 |
| Jan 31 | 40.1 | 21.6 | 3.01 | 3.01 | 6.10 | 6.10 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Lancaster - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 91.9 | 69.1 | 0.19 |
| Sep 2 | 77.0 | 69.1 | 0.42 |
| Sep 3 | 88.0 | 69.1 | 1.23 |
| Sep 4 | 86.0 | 71.1 | 0.00 |
| Sep 5 | 80.1 | 59.0 | 0.00 |
| Sep 6 | 78.1 | 59.0 | 0.00 |
| Sep 7 | 79.0 | 55.0 | 0.00 |
| Sep 8 | 84.0 | 53.1 | 0.00 |
| Sep 9 | 90.0 | 61.0 | 0.00 |
| Sep 10 | 88.0 | 69.1 | T |
| Sep 11 | 82.9 | 62.1 | T |
| Sep 12 | 81.0 | 57.9 | 0.00 |
| Sep 13 | 84.9 | 68.0 | 0.04 |
| Sep 14 | 75.0 | 54.0 | 0.01 |
| Sep 15 | 77.0 | 46.0 | 0.00 |
| Sep 16 | 86.0 | 55.0 | 0.00 |
| Sep 17 | 82.9 | 64.9 | 0.49 |
| Sep 18 | 82.0 | 62.1 | 0.02 |
| Sep 19 | 77.0 | 55.0 | 0.00 |
| Sep 20 | 78.1 | 64.0 | 1.23 |
| Sep 21 | 72.0 | 59.0 | 0.08 |
| Sep 22 | 62.1 | 55.0 | 0.75 |
| Sep 23 | 68.0 | 51.1 | 0.00 |
| Sep 24 | 68.0 | 45.0 | 0.00 |
| Sep 25 | 73.9 | 46.0 | 0.00 |
| Sep 26 | 64.9 | 55.9 | 0.42 |
| Sep 27 | 64.0 | 55.9 | 0.37 |
| Sep 28 | 69.1 | 57.9 | 0.16 |
| Sep 29 | 73.0 | 62.1 | 0.00 |
| Sep 30 | 78.1 | 61.0 | 0.00 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature91.9ºF · Sep 1
- Lowest max temperature62.1ºF · Sep 22
- Highest min temperature71.1ºF · Sep 4
- Lowest min temperature45.0ºF · Sep 24
Geo Lancaster - Pennsylvania
Location
- Country
- United States
- State
- Pennsylvania
- County
- Lancaster
- City
- Lancaster
- Zip Code
- 17543
- Elevation
- 394 ft
- Longitude
- -76.29
- Latitude
- 40.12
- ICAO
- –
- IATA
- –