Smithsburg, MD climate
Smithsburg has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 22°, and about 28 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Smithsburg feels like
Winter
Spring
Summer
Fall
Smithsburg 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° | 22° | 3.2" | 8.7" | 9 | 6 | 21° – 38° |
| February | 42° | 24° | 2.6" | 8.8" | 8 | 8 | 22° – 41° |
| March | 51° | 31° | 3.8" | 4.4" | 10 | 3 | 36° – 50° |
| April | 63° | 42° | 3.8" | 0.2" | 11 | 0 | 48° – 58° |
| May | 72° | 51° | 4.4" | 0 | 13 | 0 | 57° – 68° |
| June | 80° | 60° | 4.1" | 0 | 11 | 0 | 66° – 73° |
| July | 84° | 64° | 4.2" | 0 | 11 | 0 | 70° – 77° |
| August | 83° | 63° | 3.6" | 0 | 10 | 0 | 68° – 76° |
| September | 76° | 56° | 4.7" | 0 | 9 | 0 | 63° – 70° |
| October | 65° | 45° | 3.7" | 0.1" | 9 | 0 | 51° – 62° |
| November | 52° | 35° | 3.3" | 0.8" | 8 | 0 | 37° – 50° |
| December | 42° | 27° | 3.7" | 4.5" | 9 | 3 | 25° – 44° |
| Year | 62° | 43° | 45.0" | 27.5" | 117 | 21 |
“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 Smithsburg
Smithsburg 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 117 days a year. Snow covers the ground about 21 days of the year.
About 176 frost-free days a year
In half of years the last 32° night comes by April 25 and the first one by October 19. That leaves about 176 frost-free days for gardens, shorter than 53% of U.S. towns.
Heating and cooling a home in Smithsburg
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Smithsburg, 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.
How Smithsburg 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 Smithsburg averaged 1.6° warmer than the 1900s. The biggest change is in December (+2.8°). The shift is larger than in 76% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Smithsburg’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 25° to 44°. September is the most reliable, staying within 7°.
Common questions about Smithsburg’s climate
What is the coldest month in Smithsburg?
January, with a typical high of 38° and a low of 22°.
What is the hottest month in Smithsburg?
July, with a typical high of 84° and a low of 64°. About 20 days a year reach 90°.
How much snow does Smithsburg get?
About 28 inches in a normal winter, most of it in February.
When is the first frost in Smithsburg?
In half of years the first 32° night comes by October 19, and the last spring frost by April 25.
What is the rainiest month in Smithsburg?
September, with 4.7 inches of rain and melted snow. The year totals 45 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Smithsburg itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Emmitsburg 2 Se, MD (16 mi, snow) and Smithsburg 2nw, MD (1 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.