Climate Overview
Explore comprehensive climate statistics and weather data for Philadelphia/Mt Holly, New Jersey. Our data includes temperature ranges, precipitation patterns, and seasonal variations to help you understand the local climate.
53°F
Average Temperature
45.91"
Annual Rainfall
Temperature Data
Monthly temperature variations throughout the year in Philadelphia/Mt Holly. The chart below shows average high, low, and mean temperatures for each month.
Temperature Extremes
Temperature extremes and frequency of extreme weather days by month:
| Month | Days Below 32°F | Days Below 0°F | Days Above 90°F | Days Above 100°F |
|---|---|---|---|---|
| January | 25.9 | 0.4 | 0.0 | 0.0 |
| February | 23.7 | 0.3 | 0.0 | 0.0 |
| March | 18.4 | 0.0 | 0.0 | 0.0 |
| April | 4.3 | 0.0 | 0.4 | 0.0 |
| May | 0.0 | 0.0 | 1.1 | 0.0 |
| June | 0.0 | 0.0 | 4.5 | 0.0 |
| July | 0.0 | 0.0 | 9.1 | 0.5 |
| August | 0.0 | 0.0 | 5.4 | 0.1 |
| September | 0.0 | 0.0 | 1.3 | 0.0 |
| October | 1.7 | 0.0 | 0.0 | 0.0 |
| November | 13.7 | 0.0 | 0.0 | 0.0 |
| December | 23.4 | 0.0 | 0.0 | 0.0 |
Monthly Climate Data
| Month | High (°F) | Avg (°F) | Low (°F) |
|---|---|---|---|
| January | 39°F | 31°F | 22°F |
| February | 42°F | 33°F | 23°F |
| March | 50°F | 40°F | 31°F |
| April | 63°F | 52°F | 41°F |
| May | 72°F | 61°F | 51°F |
| June | 81°F | 71°F | 61°F |
| July | 85°F | 76°F | 66°F |
| August | 83°F | 74°F | 64°F |
| September | 76°F | 66°F | 57°F |
| October | 64°F | 54°F | 45°F |
| November | 54°F | 44°F | 34°F |
| December | 44°F | 36°F | 28°F |
Precipitation Data
Snowfall Data
Snow Depth Data
Degree Days Data
About This Data
Climate data for Philadelphia/Mt Holly is compiled from long-term historical averages and normalized to 30-year climate periods. Data includes temperature, precipitation, and seasonal statistics from NOAA Climate Normals (1991-2020).