Conestoga, PA climate
Conestoga has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 22°, and about 21 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Conestoga feels like
Winter
Spring
Summer
Fall
Conestoga 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 | 39° | 22° | 3.1" | 6.1" | 10 | 7 | 22° – 39° |
| February | 43° | 24° | 2.6" | 7.4" | 9 | 9 | 22° – 41° |
| March | 52° | 31° | 3.8" | 3.4" | 11 | 3 | 35° – 51° |
| April | 64° | 41° | 3.6" | 0.2" | 11 | 0 | 48° – 57° |
| May | 74° | 51° | 3.7" | 0 | 13 | 0 | 58° – 68° |
| June | 82° | 60° | 4.1" | 0 | 11 | 0 | 68° – 74° |
| July | 86° | 65° | 4.4" | 0 | 10 | 0 | 71° – 79° |
| August | 84° | 63° | 3.9" | 0 | 10 | 0 | 70° – 77° |
| September | 78° | 56° | 4.6" | 0 | 10 | 0 | 64° – 70° |
| October | 66° | 44° | 4.2" | 0.3" | 10 | 0 | 51° – 62° |
| November | 54° | 34° | 3.1" | 0.6" | 10 | 0 | 38° – 49° |
| December | 44° | 27° | 3.6" | 3.4" | 11 | 2 | 27° – 46° |
| Year | 64° | 43° | 44.7" | 21.4" | 124 | 22 |
“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 Conestoga
Conestoga gets 45 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 124 days a year. Snow covers the ground about 22 days of the year.
About 186 frost-free days a year
In half of years the last 32° night comes by April 19 and the first one by October 24. That leaves about 186 frost-free days for gardens, longer than 59% of U.S. towns.
Heating and cooling a home in Conestoga
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Conestoga, 83% of that work is heating and 17% 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.
Conestoga and its neighbors
Conestoga borders 5 towns with climate data. January nights across them vary by 0.7°. Chanceford has the coldest January nights (22°) and Manor the hottest July afternoons (86°). Conestoga’s January low is 22° and its July high 86°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Conestoga 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 Conestoga averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.3°). The shift is larger than in 87% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Conestoga’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 22° to 41°. September is the most reliable, staying within 6°.
Common questions about Conestoga’s climate
What is the coldest month in Conestoga?
January, with a typical high of 39° and a low of 22°.
What is the hottest month in Conestoga?
July, with a typical high of 86° and a low of 65°. About 20 days a year reach 90°.
How much snow does Conestoga get?
About 21 inches in a normal winter, most of it in February.
When is the first frost in Conestoga?
In half of years the first 32° night comes by October 24, and the last spring frost by April 19.
What is the rainiest month in Conestoga?
September, with 4.6 inches of rain and melted snow. The year totals 45 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Conestoga itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lancaster 2ne Fltr Plt, PA (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.