Mount Pleasant, PA climate
Mount Pleasant has cold, snowy winters and pleasant summers. A typical July afternoon reaches 80°, a January night drops to 15°, and about 69 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Mount Pleasant feels like
Winter
Spring
Summer
Fall
Mount Pleasant 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 | 31° | 15° | 3.3" | 17.3" | 13 | 14° – 31° |
| February | 34° | 16° | 2.7" | 17.7" | 11 | 12° – 31° |
| March | 43° | 23° | 3.4" | 13.0" | 12 | 25° – 44° |
| April | 56° | 33° | 4.0" | 1.3" | 12 | 39° – 50° |
| May | 68° | 43° | 4.1" | 0 | 15 | 50° – 61° |
| June | 76° | 52° | 4.6" | 0 | 13 | 61° – 68° |
| July | 80° | 57° | 4.3" | 0 | 12 | 64° – 73° |
| August | 78° | 55° | 4.2" | 0 | 12 | 62° – 70° |
| September | 71° | 49° | 4.3" | 0 | 11 | 56° – 64° |
| October | 59° | 38° | 4.5" | 0.4" | 12 | 44° – 56° |
| November | 47° | 29° | 3.3" | 4.9" | 11 | 32° – 43° |
| December | 36° | 21° | 3.6" | 14.6" | 13 | 20° – 40° |
| Year | 57° | 36° | 46.2" | 69.2" | 147 |
“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 Mount Pleasant
Mount Pleasant gets 46 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 147 days a year.
About 140 frost-free days a year
In half of years the last 32° night comes by May 14 and the first one by October 1. That leaves about 140 frost-free days for gardens, shorter than 89% of U.S. towns.
Heating and cooling a home in Mount Pleasant
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mount Pleasant, 97% of that work is heating and 3% 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.
Mount Pleasant and its neighbors
Mount Pleasant borders 6 towns with climate data. January nights across them vary by 1.7°. Preston has the coldest January nights (13°) and Buckingham the hottest July afternoons (81°). Mount Pleasant’s January low is 15° and its July high 80°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Mount Pleasant 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 Mount Pleasant averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.9°). The shift is larger than in 60% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mount Pleasant’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 20° to 40°. June is the most reliable, staying within 7°.
Common questions about Mount Pleasant’s climate
What is the coldest month in Mount Pleasant?
January, with a typical high of 31° and a low of 15°.
What is the hottest month in Mount Pleasant?
July, with a typical high of 80° and a low of 57°.
How much snow does Mount Pleasant get?
About 69 inches in a normal winter, most of it in February.
When is the first frost in Mount Pleasant?
In half of years the first 32° night comes by October 1, and the last spring frost by May 14.
What is the rainiest month in Mount Pleasant?
June, with 4.6 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mount Pleasant itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Pleasant Mt 1 W, PA (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.