Hot-summer humid continental climate
Climate West Mifflin - Pennsylvania
Annual high60ºF
Annual low43ºF
Precipitation39.29 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 36 | 22 | 2.73 |
| Feb | 39 | 24 | 2.68 |
| Mar | 49 | 31 | 3.10 |
| Apr | 62 | 42 | 3.15 |
| May | 71 | 51 | 4.17 |
| Jun | 79 | 59 | 4.04 |
| Jul | 82 | 63 | 3.77 |
| Aug | 81 | 62 | 3.51 |
| Sep | 74 | 55 | 3.35 |
| Oct | 63 | 44 | 2.52 |
| Nov | 51 | 36 | 3.35 |
| Dec | 40 | 26 | 2.92 |
- JanHigh 36ºFLow 22ºFPrecip 2.73 inch
- FebHigh 39ºFLow 24ºFPrecip 2.68 inch
- MarHigh 49ºFLow 31ºFPrecip 3.10 inch
- AprHigh 62ºFLow 42ºFPrecip 3.15 inch
- MayHigh 71ºFLow 51ºFPrecip 4.17 inch
- JunHigh 79ºFLow 59ºFPrecip 4.04 inch
- JulHigh 82ºFLow 63ºFPrecip 3.77 inch
- AugHigh 81ºFLow 62ºFPrecip 3.51 inch
- SepHigh 74ºFLow 55ºFPrecip 3.35 inch
- OctHigh 63ºFLow 44ºFPrecip 2.52 inch
- NovHigh 51ºFLow 36ºFPrecip 3.35 inch
- DecHigh 40ºFLow 26ºFPrecip 2.92 inch
Climate summary
What is the average weather in West Mifflin, Pennsylvania?
West Mifflin experiences a humid continental climate, marked by warm summers and cold winters, creating a strong seasonal contrast. Precipitation is fairly wet overall, with moisture spread relatively evenly throughout the year, though summer is typically the wettest season and winter the driest.
West Mifflin weather averages
Annual high60ºF
Annual low43ºF
Precipitation39.29 inch
Daily normals West Mifflin - Pennsylvania - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 37.6 | 24.1 | 0.11 | 0.11 |
| Jan 2 | 37.5 | 23.9 | 0.22 | 0.22 |
| Jan 3 | 37.3 | 23.7 | 0.33 | 0.33 |
| Jan 4 | 37.2 | 23.5 | 0.44 | 0.44 |
| Jan 5 | 37.1 | 23.4 | 0.54 | 0.54 |
| Jan 6 | 37.0 | 23.2 | 0.65 | 0.65 |
| Jan 7 | 36.8 | 23.0 | 0.75 | 0.75 |
| Jan 8 | 36.7 | 22.8 | 0.84 | 0.84 |
| Jan 9 | 36.6 | 22.7 | 0.94 | 0.94 |
| Jan 10 | 36.6 | 22.5 | 1.04 | 1.04 |
| Jan 11 | 36.5 | 22.4 | 1.15 | 1.15 |
| Jan 12 | 36.4 | 22.3 | 1.25 | 1.25 |
| Jan 13 | 36.4 | 22.2 | 1.35 | 1.35 |
| Jan 14 | 36.3 | 22.1 | 1.45 | 1.45 |
| Jan 15 | 36.3 | 22.0 | 1.55 | 1.55 |
| Jan 16 | 36.2 | 21.9 | 1.66 | 1.66 |
| Jan 17 | 36.2 | 21.8 | 1.76 | 1.76 |
| Jan 18 | 36.2 | 21.7 | 1.86 | 1.86 |
| Jan 19 | 36.2 | 21.7 | 1.95 | 1.95 |
| Jan 20 | 36.2 | 21.6 | 2.05 | 2.05 |
| Jan 21 | 36.2 | 21.6 | 2.14 | 2.14 |
| Jan 22 | 36.2 | 21.6 | 2.23 | 2.23 |
| Jan 23 | 36.3 | 21.6 | 2.32 | 2.32 |
| Jan 24 | 36.3 | 21.6 | 2.42 | 2.42 |
| Jan 25 | 36.4 | 21.6 | 2.52 | 2.52 |
| Jan 26 | 36.4 | 21.6 | 2.62 | 2.62 |
| Jan 27 | 36.5 | 21.7 | 2.71 | 2.71 |
| Jan 28 | 36.6 | 21.7 | 2.80 | 2.80 |
| Jan 29 | 36.7 | 21.8 | 2.89 | 2.89 |
| Jan 30 | 36.8 | 21.9 | 2.98 | 2.98 |
| Jan 31 | 36.9 | 22.0 | 3.08 | 3.08 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history West Mifflin - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 66.9 | 48.0 | 0.00 |
| Nov 2 | 72.0 | 54.0 | 0.01 |
| Nov 3 | 75.0 | 57.0 | 0.00 |
| Nov 4 | 78.1 | 53.1 | T |
| Nov 5 | 70.0 | 55.0 | 0.05 |
| Nov 6 | 55.9 | 42.1 | 0.02 |
| Nov 7 | – | – | – |
| Nov 8 | – | – | – |
| Nov 9 | – | – | – |
| Nov 10 | – | – | – |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 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 temperature78.1ºF · Nov 4
- Lowest max temperature55.9ºF · Nov 6
- Highest min temperature57.0ºF · Nov 3
- Lowest min temperature42.1ºF · Nov 6
Geo West Mifflin - Pennsylvania
Location
- Country
- United States
- State
- Pennsylvania
- County
- –
- City
- West Mifflin
- Zip Code
- 15122
- Elevation
- 1073 ft
- Longitude
- -79.87
- Latitude
- 40.36
- ICAO
- –
- IATA
- –