Blue Mountain, MS climate
Blue Mountain has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 31°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Blue Mountain feels like
Winter
Spring
Summer
Fall
Blue Mountain 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 | 50° | 31° | 4.8" | 0.6" | 9 | 0 | 33° – 48° |
| February | 55° | 34° | 5.3" | 0.7" | 8 | 0 | 36° – 53° |
| March | 64° | 41° | 5.5" | 0.3" | 9 | 0 | 46° – 63° |
| April | 73° | 48° | 5.6" | 0 | 9 | 0 | 55° – 66° |
| May | 80° | 58° | 5.3" | 0 | 10 | 0 | 65° – 74° |
| June | 87° | 66° | 4.7" | 0 | 9 | 0 | 73° – 81° |
| July | 90° | 69° | 4.3" | 0 | 9 | 0 | 74° – 82° |
| August | 90° | 68° | 3.7" | 0 | 7 | 0 | 74° – 85° |
| September | 85° | 61° | 3.8" | 0 | 6 | 0 | 69° – 79° |
| October | 74° | 49° | 4.0" | 0 | 6 | 0 | 58° – 67° |
| November | 62° | 39° | 4.3" | 0 | 9 | 0 | 45° – 56° |
| December | 53° | 33° | 6.2" | 0 | 10 | 0 | 33° – 52° |
| Year | 72° | 50° | 57.5" | 1.6" | 100 | 0 |
“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 Blue Mountain
Blue Mountain gets 58 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 100 days a year.
About 210 frost-free days a year
In half of years the last 32° night comes by April 3 and the first one by October 30. That leaves about 210 frost-free days for gardens, longer than 78% of U.S. towns.
Heating and cooling a home in Blue Mountain
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Blue Mountain, 68% of that work is heating and 32% is cooling.
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 Blue Mountain 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 Blue Mountain averaged 0.4° warmer than the 1900s. The biggest change is in February (+1.5°). The shift is smaller than in 99% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Blue Mountain’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 33° to 52°. June is the most reliable, staying within 8°.
Common questions about Blue Mountain’s climate
What is the coldest month in Blue Mountain?
January, with a typical high of 50° and a low of 31°.
What is the hottest month in Blue Mountain?
July, with a typical high of 90° and a low of 69°. About 48 days a year reach 90°.
How much snow does Blue Mountain get?
About 2 inches in a normal winter, most of it in February.
When is the first frost in Blue Mountain?
In half of years the first 32° night comes by October 30, and the last spring frost by April 3.
What is the rainiest month in Blue Mountain?
December, with 6.2 inches of rain and melted snow. The year totals 58 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Blue Mountain itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Ripley, MS (6 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.