Philadelphia endures about 26 more days above 90 °F each year.
Philadelphia has around 35 fewer freezing nights a year. Philadelphia enjoys about 42 more sunny days a year than Jefferson Hills.
The year at a glance
Averages from 30 years of climate history, 1991-2020
| Jefferson Hills | Metric | Philadelphia |
|---|---|---|
| 161 days | Sunny daysclear or partly cloudy skies | 203 days |
| 49 in | Precipitationper year | 43 in |
| 158 days | Wet daysrain or snow per year | 120 days |
| 26 in | Snowfallper year | 18 in |
| 11 days | Hot daysabove 90 °F | 36 days |
| 110 days | Freezing nightsat or below 32 °F | 76 days |
| 73% | Humidityaverage relative | 68% |
| 52 °F | Average temperatureyear round | 57 °F |
Monthly temperatures
Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.
Daily highs
Daily lows
View monthly temperatures as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jefferson Hills high | 37 | 40 | 50 | 63 | 72 | 80 | 84 | 82 | 76 | 64 | 52 | 42 |
| Philadelphia high | 41 | 44 | 53 | 65 | 75 | 84 | 89 | 86 | 80 | 67 | 56 | 46 |
| Jefferson Hills low | 22 | 23 | 30 | 40 | 50 | 59 | 63 | 62 | 55 | 44 | 34 | 27 |
| Philadelphia low | 27 | 29 | 35 | 45 | 55 | 65 | 70 | 68 | 61 | 50 | 40 | 32 |
Monthly precipitation
Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.
View monthly precipitation as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jefferson Hills | 3.6 | 3.2 | 4.4 | 4.6 | 5.0 | 5.2 | 5.0 | 3.8 | 3.9 | 3.6 | 3.5 | 3.5 |
| Philadelphia | 3.2 | 3.0 | 4.1 | 3.6 | 3.5 | 3.8 | 3.9 | 3.7 | 4.1 | 3.6 | 2.9 | 4.0 |
Monthly sunny days
Days each month with clear or partly cloudy skies, so compare the same month between cities.
View monthly sunny days as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jefferson Hills | 8 | 8 | 12 | 13 | 14 | 16 | 18 | 19 | 18 | 16 | 12 | 8 |
| Philadelphia | 16 | 16 | 16 | 15 | 16 | 16 | 18 | 19 | 18 | 19 | 17 | 16 |
Keep comparing
Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.
Jefferson Hills vs another city
- Jefferson Hills vs Pleasant Hills, PA
- Jefferson Hills vs Clairton, PA
- Jefferson Hills vs West Mifflin, PA
- Jefferson Hills vs Whitehall, PA
- Jefferson Hills vs Bethel Park, PA
- Jefferson Hills vs Brentwood, PA
- Jefferson Hills vs New York, NY
- Jefferson Hills vs Los Angeles, CA
- Jefferson Hills vs Chicago, IL
- Jefferson Hills vs Houston, TX
- Jefferson Hills vs Phoenix, AZ
Philadelphia vs another city
- Philadelphia vs Elkins Park, PA
- Philadelphia vs Bala Cynwyd, PA
- Philadelphia vs Palmyra, NJ
- Philadelphia vs Camden, NJ
- Philadelphia vs Wyndmoor, PA
- Philadelphia vs Merion Station, PA
- Philadelphia vs New York, NY
- Philadelphia vs Los Angeles, CA
- Philadelphia vs Chicago, IL
- Philadelphia vs Houston, TX
- Philadelphia vs Phoenix, AZ
- Philadelphia vs San Antonio, TX
About this data
Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.
Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).