Yardley, PA climate
Yardley has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 24°, and about 27 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Yardley feels like
Winter
Spring
Summer
Fall
Yardley 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 41° | 24° | 3.5" | 8.2" | 11 | 24° – 39° |
| February | 44° | 25° | 2.7" | 8.7" | 11 | 23° – 41° |
| March | 52° | 32° | 4.1" | 4.0" | 11 | 36° – 51° |
| April | 64° | 41° | 3.7" | 0.5" | 12 | 49° – 57° |
| May | 74° | 51° | 3.9" | 0 | 14 | 57° – 67° |
| June | 83° | 60° | 4.3" | 0 | 12 | 68° – 75° |
| July | 87° | 66° | 5.1" | 0 | 11 | 72° – 80° |
| August | 85° | 64° | 4.5" | 0 | 11 | 70° – 78° |
| September | 78° | 57° | 4.3" | 0 | 8 | 65° – 71° |
| October | 66° | 45° | 4.1" | 0.1" | 10 | 51° – 62° |
| November | 55° | 36° | 3.3" | 0.5" | 8 | 41° – 50° |
| December | 45° | 29° | 4.2" | 4.6" | 11 | 29° – 49° |
| Year | 64° | 44° | 47.6" | 26.6" | 130 |
“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 Yardley
Yardley gets 48 inches of rain and melted snow a year. July is the wettest month and February the driest. Rain or snow falls on about 130 days a year.
About 192 frost-free days a year
In half of years the last 32° night comes by April 17 and the first one by October 28. That leaves about 192 frost-free days for gardens, longer than 66% of U.S. towns.
Heating and cooling a home in Yardley
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Yardley, 84% of that work is heating and 16% is cooling, so the furnace matters far more than the air conditioner.
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.
Yardley and its neighbors
Yardley borders 2 towns with climate data. January nights across them vary by 0.2°. Ewing has the coldest January nights (23°) and Lower Makefield the hottest July afternoons (87°). Yardley’s January low is 24° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Yardley 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 Yardley averaged 2.2° warmer than the 1900s. The biggest change is in December (+3.8°). The shift is larger than in 98% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Yardley’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 29° to 49°. September is the most reliable, staying within 7°.
Common questions about Yardley’s climate
What is the coldest month in Yardley?
January, with a typical high of 41° and a low of 24°.
What is the hottest month in Yardley?
July, with a typical high of 87° and a low of 66°. About 24 days a year reach 90°.
How much snow does Yardley get?
About 27 inches in a normal winter, most of it in February.
When is the first frost in Yardley?
In half of years the first 32° night comes by October 28, and the last spring frost by April 17.
What is the rainiest month in Yardley?
July, with 5.1 inches of rain and melted snow. The year totals 48 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Yardley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Ewing Twp 0.8 Ese, NJ (3 mi, snow) and Trenton State College, NJ (3 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.