Hot-summer humid continental climate
Climate Williamsport - Pennsylvania
Annual high62ºF
Annual low41ºF
Precipitation41.39 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 35 | 20 | 2.80 | 9 |
| Feb | 40 | 22 | 2.50 | 10 |
| Mar | 49 | 29 | 3.10 | 5 |
| Apr | 63 | 39 | 3.38 | 1 |
| May | 73 | 48 | 3.89 | 0 |
| Jun | 81 | 58 | 4.02 | 0 |
| Jul | 86 | 63 | 3.83 | 0 |
| Aug | 84 | 61 | 3.68 | 0 |
| Sep | 76 | 54 | 4.33 | 0 |
| Oct | 64 | 42 | 3.37 | 0 |
| Nov | 52 | 33 | 3.53 | 1 |
| Dec | 39 | 24 | 2.96 | 6 |
- JanHigh 35ºFLow 20ºFPrecip 2.80 inch
- FebHigh 40ºFLow 22ºFPrecip 2.50 inch
- MarHigh 49ºFLow 29ºFPrecip 3.10 inch
- AprHigh 63ºFLow 39ºFPrecip 3.38 inch
- MayHigh 73ºFLow 48ºFPrecip 3.89 inch
- JunHigh 81ºFLow 58ºFPrecip 4.02 inch
- JulHigh 86ºFLow 63ºFPrecip 3.83 inch
- AugHigh 84ºFLow 61ºFPrecip 3.68 inch
- SepHigh 76ºFLow 54ºFPrecip 4.33 inch
- OctHigh 64ºFLow 42ºFPrecip 3.37 inch
- NovHigh 52ºFLow 33ºFPrecip 3.53 inch
- DecHigh 39ºFLow 24ºFPrecip 2.96 inch
Climate summary
What is the average weather in Williamsport, Pennsylvania?
Williamsport experiences a humid continental climate, marked by a very strong seasonal temperature contrast. Summers are warm, while winters are cold and bring significant snowfall. Precipitation is fairly wet overall, spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Williamsport weather averages
Annual high62ºF
Annual low41ºF
Precipitation41.39 inch
Snowfall32 inch
Daily normals Williamsport - Pennsylvania - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 36.5 | 22.2 | 0.10 | 0.10 | 0.20 | 0.20 |
| Jan 2 | 36.4 | 22.0 | 0.21 | 0.21 | 0.40 | 0.40 |
| Jan 3 | 36.2 | 21.8 | 0.31 | 0.31 | 0.60 | 0.60 |
| Jan 4 | 36.1 | 21.6 | 0.42 | 0.42 | 0.80 | 0.80 |
| Jan 5 | 36.0 | 21.5 | 0.52 | 0.52 | 1.00 | 1.00 |
| Jan 6 | 35.9 | 21.3 | 0.62 | 0.62 | 1.20 | 1.20 |
| Jan 7 | 35.8 | 21.2 | 0.72 | 0.72 | 1.50 | 1.50 |
| Jan 8 | 35.7 | 21.0 | 0.81 | 0.81 | 1.70 | 1.70 |
| Jan 9 | 35.6 | 20.9 | 0.91 | 0.91 | 2.00 | 2.00 |
| Jan 10 | 35.6 | 20.8 | 1.01 | 1.01 | 2.30 | 2.30 |
| Jan 11 | 35.5 | 20.6 | 1.11 | 1.11 | 2.50 | 2.50 |
| Jan 12 | 35.4 | 20.5 | 1.21 | 1.21 | 2.80 | 2.80 |
| Jan 13 | 35.4 | 20.4 | 1.31 | 1.31 | 3.10 | 3.10 |
| Jan 14 | 35.3 | 20.3 | 1.41 | 1.41 | 3.40 | 3.40 |
| Jan 15 | 35.3 | 20.2 | 1.51 | 1.51 | 3.70 | 3.70 |
| Jan 16 | 35.3 | 20.2 | 1.61 | 1.61 | 4.00 | 4.00 |
| Jan 17 | 35.2 | 20.1 | 1.71 | 1.71 | 4.30 | 4.30 |
| Jan 18 | 35.2 | 20.0 | 1.81 | 1.81 | 4.50 | 4.50 |
| Jan 19 | 35.2 | 20.0 | 1.90 | 1.90 | 4.80 | 4.80 |
| Jan 20 | 35.2 | 19.9 | 1.99 | 1.99 | 5.10 | 5.10 |
| Jan 21 | 35.2 | 19.9 | 2.09 | 2.09 | 5.40 | 5.40 |
| Jan 22 | 35.3 | 19.9 | 2.18 | 2.18 | 5.70 | 5.70 |
| Jan 23 | 35.3 | 19.9 | 2.28 | 2.28 | 6.00 | 6.00 |
| Jan 24 | 35.3 | 19.9 | 2.37 | 2.37 | 6.30 | 6.30 |
| Jan 25 | 35.4 | 19.9 | 2.47 | 2.47 | 6.70 | 6.70 |
| Jan 26 | 35.5 | 19.9 | 2.56 | 2.56 | 7.00 | 7.00 |
| Jan 27 | 35.5 | 19.9 | 2.64 | 2.64 | 7.30 | 7.30 |
| Jan 28 | 35.6 | 19.9 | 2.73 | 2.73 | 7.70 | 7.70 |
| Jan 29 | 35.7 | 19.9 | 2.82 | 2.82 | 8.00 | 8.00 |
| Jan 30 | 35.8 | 20.0 | 2.90 | 2.90 | 8.30 | 8.30 |
| Jan 31 | 35.9 | 20.0 | 2.99 | 2.99 | 8.70 | 8.70 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Williamsport - July 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Jul 1 | 99.0 | 73.0 | 0.00 |
| Jul 2 | 100.0 | 73.9 | 0.00 |
| Jul 3 | 100.0 | 73.9 | 0.03 |
| Jul 4 | 96.1 | 71.1 | 0.13 |
| Jul 5 | 84.0 | 71.1 | 0.12 |
| Jul 6 | 75.0 | 70.0 | 0.07 |
| Jul 7 | 81.0 | 68.0 | 0.00 |
| Jul 8 | 86.0 | 66.9 | 0.00 |
| Jul 9 | 91.9 | 68.0 | 0.00 |
| Jul 10 | 87.1 | 68.0 | 0.03 |
| Jul 11 | 91.0 | 68.0 | T |
| Jul 12 | 88.0 | 64.0 | 0.00 |
| Jul 13 | 91.0 | 64.9 | 0.00 |
| Jul 14 | 95.0 | 64.9 | 0.00 |
| Jul 15 | 97.0 | 72.0 | T |
| Jul 16 | 91.0 | 68.0 | 0.00 |
| Jul 17 | 90.0 | 60.1 | 0.00 |
| Jul 18 | 80.1 | 64.0 | 0.63 |
| Jul 19 | 81.0 | 62.1 | 0.00 |
| Jul 20 | 82.9 | 54.0 | 0.00 |
| Jul 21 | 81.0 | 72.0 | 0.27 |
| Jul 22 | 80.1 | 62.1 | 0.00 |
| Jul 23 | 81.0 | 53.1 | 0.00 |
| Jul 24 | 82.9 | 52.0 | 0.00 |
| Jul 25 | 82.0 | 57.0 | 0.00 |
| Jul 26 | 84.0 | 69.1 | 0.02 |
| Jul 27 | 89.1 | 63.0 | 0.00 |
| Jul 28 | 73.9 | 66.9 | 1.40 |
| Jul 29 | 75.9 | 66.0 | T |
| Jul 30 | 79.0 | 64.9 | 0.00 |
| Jul 31 | 88.0 | 61.0 | 0.00 |
The data for July 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 temperature100.0ºF · Jul 2
- Lowest max temperature73.9ºF · Jul 28
- Highest min temperature73.9ºF · Jul 2
- Lowest min temperature52.0ºF · Jul 24
Geo Williamsport - Pennsylvania
Location
- Country
- United States
- State
- Pennsylvania
- County
- –
- City
- Williamsport
- Zip Code
- 17701
- Elevation
- 518 ft
- Longitude
- -77.00
- Latitude
- 41.24
- ICAO
- –
- IATA
- –