Franklin, PA climate
Franklin has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 84°, a January night drops to 18°, and about 27 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Franklin feels like
Winter
Spring
Summer
Fall
Franklin 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 | 36° | 18° | 3.6" | 7.8" | 11 | 18° – 35° |
| February | 40° | 20° | 2.8" | 9.8" | 9 | 17° – 37° |
| March | 48° | 27° | 3.9" | 6.3" | 10 | 31° – 48° |
| April | 62° | 36° | 4.1" | 0.4" | 11 | 44° – 54° |
| May | 72° | 46° | 4.0" | 0 | 14 | 54° – 65° |
| June | 80° | 56° | 5.0" | 0 | 13 | 64° – 71° |
| July | 84° | 61° | 5.1" | 0 | 12 | 68° – 76° |
| August | 82° | 59° | 4.7" | 0 | 11 | 66° – 74° |
| September | 75° | 51° | 5.2" | 0 | 10 | 60° – 67° |
| October | 63° | 40° | 4.5" | 0 | 11 | 46° – 59° |
| November | 51° | 31° | 3.7" | 0.3" | 10 | 36° – 46° |
| December | 41° | 24° | 4.2" | 2.7" | 11 | 24° – 44° |
| Year | 61° | 39° | 50.7" | 27.3" | 132 |
“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 Franklin
Franklin gets 51 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 132 days a year.
About 184 frost-free days a year
In half of years the last 32° night comes by April 21 and the first one by October 23. That leaves about 184 frost-free days for gardens, longer than 57% of U.S. towns.
Heating and cooling a home in Franklin
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Franklin, 91% of that work is heating and 9% 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.
Franklin and its neighbors
Franklin borders 7 towns with climate data. January nights across them vary by 2.7°. Penn Forest has the coldest January nights (16°) and Parryville the hottest July afternoons (85°). Franklin’s January low is 18° and its July high 84°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Franklin 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 Franklin averaged 1.9° warmer than the 1900s. The biggest change is in December (+3.6°). The shift is larger than in 91% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Franklin’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 24° to 44°. September is the most reliable, staying within 7°.
Common questions about Franklin’s climate
What is the coldest month in Franklin?
January, with a typical high of 36° and a low of 18°.
What is the hottest month in Franklin?
July, with a typical high of 84° and a low of 61°. About 4 days a year reach 90°.
How much snow does Franklin get?
About 27 inches in a normal winter, most of it in February.
When is the first frost in Franklin?
In half of years the first 32° night comes by October 23, and the last spring frost by April 21.
What is the rainiest month in Franklin?
September, with 5.2 inches of rain and melted snow. The year totals 51 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Franklin itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lehighton 1ssw, PA (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.