Curtin, PA climate
Curtin has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 18°, and about 33 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Curtin feels like
Winter
Spring
Summer
Fall
Curtin 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 | 34° | 18° | 2.9" | 9.0" | 14 | 15 | 18° – 34° |
| February | 37° | 19° | 2.3" | 9.5" | 12 | 13 | 15° – 36° |
| March | 46° | 26° | 3.3" | 5.2" | 12 | 7 | 29° – 47° |
| April | 60° | 37° | 3.7" | 0.7" | 14 | 0 | 43° – 54° |
| May | 71° | 46° | 4.1" | 0 | 14 | 0 | 53° – 64° |
| June | 78° | 55° | 4.0" | 0 | 13 | 0 | 63° – 70° |
| July | 82° | 60° | 4.0" | 0 | 12 | 0 | 66° – 75° |
| August | 81° | 58° | 3.8" | 0 | 11 | 0 | 65° – 74° |
| September | 73° | 51° | 4.2" | 0 | 11 | 0 | 60° – 66° |
| October | 62° | 40° | 3.7" | 0.1" | 13 | 0 | 47° – 58° |
| November | 49° | 32° | 3.1" | 1.5" | 12 | 1 | 35° – 45° |
| December | 38° | 24° | 3.1" | 6.7" | 14 | 8 | 22° – 40° |
| Year | 59° | 39° | 42.1" | 32.7" | 150 | 43 |
“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 Curtin
Curtin gets 42 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 150 days a year. Snow covers the ground about 43 days of the year.
About 173 frost-free days a year
In half of years the last 32° night comes by April 30 and the first one by October 22. That leaves about 173 frost-free days for gardens, shorter than 57% of U.S. towns.
Heating and cooling a home in Curtin
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Curtin, 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.
Curtin and its neighbors
Curtin borders 6 towns with climate data. January nights across them vary by 1.8°. Burnside has the coldest January nights (18°) and Liberty the hottest July afternoons (85°). Curtin’s January low is 18° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.