Wilson-Conococheague, MD climate
Wilson-Conococheague has chilly, snowy winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 31 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Wilson-Conococheague feels like
Winter
Spring
Summer
Fall
Wilson-Conococheague 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 | 41° | 23° | 2.7" | 10.0" | 10 | 11 | 23° – 40° |
| February | 44° | 24° | 2.2" | 8.0" | 9 | 11 | 24° – 43° |
| March | 53° | 31° | 3.4" | 6.0" | 10 | 5 | 37° – 52° |
| April | 66° | 41° | 3.5" | 0.3" | 11 | 0 | 49° – 59° |
| May | 75° | 51° | 4.0" | 0 | 12 | 0 | 58° – 69° |
| June | 83° | 59° | 3.7" | 0 | 11 | 0 | 67° – 74° |
| July | 88° | 64° | 3.7" | 0 | 10 | 0 | 71° – 79° |
| August | 86° | 62° | 3.3" | 0 | 9 | 0 | 69° – 77° |
| September | 79° | 55° | 4.0" | 0 | 9 | 0 | 64° – 71° |
| October | 67° | 43° | 3.1" | 0 | 9 | 0 | 52° – 62° |
| November | 55° | 34° | 2.9" | 1.0" | 8 | 0 | 38° – 50° |
| December | 44° | 27° | 3.3" | 5.5" | 9 | 5 | 26° – 45° |
| Year | 65° | 43° | 39.7" | 30.8" | 117 | 31 |
“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 Wilson-Conococheague
Wilson-Conococheague gets 40 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 117 days a year. Snow covers the ground about 31 days of the year.
About 199 frost-free days a year
In half of years the last 32° night comes by April 11 and the first one by October 28. That leaves about 199 frost-free days for gardens, longer than 72% of U.S. towns.
Heating and cooling a home in Wilson-Conococheague
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Wilson-Conococheague, 82% of that work is heating and 18% 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 Wilson-Conococheague 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 Wilson-Conococheague averaged 1.6° warmer than the 1900s. The biggest change is in December (+2.9°). The shift is larger than in 77% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Wilson-Conococheague’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 26° to 45°. September is the most reliable, staying within 7°.
Common questions about Wilson-Conococheague’s climate
What is the coldest month in Wilson-Conococheague?
January, with a typical high of 41° and a low of 23°.
What is the hottest month in Wilson-Conococheague?
July, with a typical high of 88° and a low of 64°. About 32 days a year reach 90°.
How much snow does Wilson-Conococheague get?
About 31 inches in a normal winter, most of it in January.
When is the first frost in Wilson-Conococheague?
In half of years the first 32° night comes by October 28, and the last spring frost by April 11.
What is the rainiest month in Wilson-Conococheague?
May, with 4.0 inches of rain and melted snow. The year totals 40 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Wilson-Conococheague itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Chambersburg 1 Ese, PA (22 mi, snow) and Hagerstown 1 E, MD (7 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.