Ridley Park, PA climate
Ridley Park has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 26°, and about 23 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Ridley Park feels like
Winter
Spring
Summer
Fall
Ridley Park weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 41° | 26° | 3.3" | 7.1" | 11 | 5 | 26° – 41° |
| February | 44° | 27° | 2.8" | 8.4" | 10 | 6 | 25° – 43° |
| March | 52° | 34° | 4.1" | 3.6" | 11 | 2 | 38° – 51° |
| April | 64° | 43° | 3.7" | 0.3" | 11 | 0 | 50° – 59° |
| May | 74° | 53° | 3.6" | 0 | 11 | 0 | 59° – 69° |
| June | 83° | 63° | 4.4" | 0 | 10 | 0 | 69° – 77° |
| July | 87° | 69° | 4.7" | 0 | 10 | 0 | 73° – 81° |
| August | 85° | 67° | 4.4" | 0 | 9 | 0 | 71° – 80° |
| September | 79° | 60° | 4.7" | 0 | 9 | 0 | 66° – 73° |
| October | 67° | 48° | 3.8" | 0 | 9 | 0 | 53° – 64° |
| November | 56° | 38° | 3.2" | 0.2" | 9 | 0 | 41° – 52° |
| December | 46° | 31° | 4.1" | 3.5" | 11 | 3 | 30° – 50° |
| Year | 65° | 46° | 46.8" | 23.1" | 121 | 16 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Ridley Park
Ridley Park gets 47 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 121 days a year. Snow covers the ground about 16 days of the year.
About 224 frost-free days a year
In half of years the last 32° night comes by April 2 and the first one by November 10. That leaves about 224 frost-free days for gardens, longer than 84% of U.S. towns.
Heating and cooling a home in Ridley Park
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Ridley Park, 77% of that work is heating and 23% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Ridley Park and its neighbors
Ridley Park borders 2 towns with climate data. January nights across them vary by 0.0°. Ridley has both the coldest January nights (26°) and the hottest July afternoons (87°). Ridley Park’s January low is 26° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Ridley Park compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Ridley Park averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.5°). The shift is larger than in 93% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Ridley Park’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 30° to 50°. September is the most reliable, staying within 8°.
Common questions about Ridley Park’s climate
What is the coldest month in Ridley Park?
January, with a typical high of 41° and a low of 26°.
What is the hottest month in Ridley Park?
July, with a typical high of 87° and a low of 69°. About 30 days a year reach 90°.
How much snow does Ridley Park get?
About 23 inches in a normal winter, most of it in February.
When is the first frost in Ridley Park?
In half of years the first 32° night comes by November 10, and the last spring frost by April 2.
What is the rainiest month in Ridley Park?
September, with 4.7 inches of rain and melted snow. The year totals 47 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Ridley Park itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Philadelphia Intl Airport, PA (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.