Silver Spring, PA climate
Silver Spring has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 23°, and about 28 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Silver Spring feels like
Winter
Spring
Summer
Fall
Silver Spring 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 | 38° | 23° | 3.0" | 7.7" | 9 | 8 | 21° – 38° |
| February | 41° | 24° | 2.6" | 9.6" | 9 | 11 | 21° – 40° |
| March | 50° | 31° | 3.6" | 4.8" | 9 | 4 | 35° – 50° |
| April | 63° | 41° | 3.7" | 0.2" | 11 | 0 | 48° – 57° |
| May | 73° | 51° | 3.8" | 0 | 15 | 0 | 57° – 68° |
| June | 82° | 60° | 4.2" | 0 | 12 | 0 | 67° – 74° |
| July | 86° | 65° | 4.1" | 0 | 11 | 0 | 71° – 80° |
| August | 84° | 63° | 4.0" | 0 | 11 | 0 | 69° – 77° |
| September | 77° | 56° | 4.4" | 0 | 9 | 0 | 63° – 71° |
| October | 65° | 44° | 3.8" | 0.5" | 11 | 0 | 50° – 61° |
| November | 53° | 35° | 3.2" | 0.9" | 8 | 0 | 38° – 49° |
| December | 43° | 28° | 3.4" | 4.0" | 10 | 3 | 26° – 45° |
| Year | 63° | 43° | 43.8" | 27.7" | 125 | 27 |
“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 Silver Spring
Silver Spring gets 44 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 125 days a year. Snow covers the ground about 27 days of the year.
About 177 frost-free days a year
In half of years the last 32° night comes by April 23 and the first one by October 18. That leaves about 177 frost-free days for gardens, shorter than 51% of U.S. towns.
Heating and cooling a home in Silver Spring
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Silver Spring, 87% of that work is heating and 13% 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.
Silver Spring and its neighbors
Silver Spring borders 6 towns with climate data. January nights across them vary by 0.4°. Rye has the coldest January nights (22°) and Mechanicsburg the hottest July afternoons (86°). Silver Spring’s January low is 23° and its July high 86°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Silver Spring 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 Silver Spring averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.1°). The shift is larger than in 77% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Silver Spring’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 21° to 40°. June is the most reliable, staying within 7°.
Common questions about Silver Spring’s climate
What is the coldest month in Silver Spring?
January, with a typical high of 38° and a low of 23°.
What is the hottest month in Silver Spring?
July, with a typical high of 86° and a low of 65°. About 24 days a year reach 90°.
How much snow does Silver Spring get?
About 28 inches in a normal winter, most of it in February.
When is the first frost in Silver Spring?
In half of years the first 32° night comes by October 18, and the last spring frost by April 23.
What is the rainiest month in Silver Spring?
September, with 4.4 inches of rain and melted snow. The year totals 44 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Silver Spring itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Carlisle Wtp, PA (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.