New Madrid, MO climate
New Madrid has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 28°, and about 7 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in New Madrid feels like
Winter
Spring
Summer
Fall
New Madrid 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 | 44° | 28° | 3.8" | 2.4" | 10 | 2 | 30° – 45° |
| February | 49° | 32° | 3.8" | 2.2" | 9 | 2 | 30° – 49° |
| March | 59° | 39° | 4.8" | 0.4" | 11 | 0 | 42° – 61° |
| April | 70° | 48° | 5.3" | 0 | 11 | 0 | 52° – 64° |
| May | 79° | 59° | 5.0" | 0 | 12 | 0 | 64° – 75° |
| June | 87° | 67° | 4.2" | 0 | 9 | 0 | 72° – 82° |
| July | 90° | 70° | 4.1" | 0 | 8 | 0 | 76° – 84° |
| August | 89° | 68° | 3.1" | 0 | 7 | 0 | 73° – 85° |
| September | 83° | 60° | 3.5" | 0 | 7 | 0 | 68° – 78° |
| October | 72° | 49° | 3.7" | 0.1" | 8 | 0 | 56° – 66° |
| November | 58° | 39° | 4.3" | 0.2" | 10 | 0 | 41° – 54° |
| December | 48° | 32° | 4.4" | 1.3" | 10 | 1 | 27° – 48° |
| Year | 69° | 49° | 49.9" | 6.6" | 110 | 5 |
“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 New Madrid
New Madrid gets 50 inches of rain and melted snow a year. April is the wettest month and August the driest. Rain or snow falls on about 110 days a year. Snow covers the ground about 5 days of the year.
About 220 frost-free days a year
In half of years the last 32° night comes by March 28 and the first one by November 3. That leaves about 220 frost-free days for gardens, longer than 82% of U.S. towns.
Heating and cooling a home in New Madrid
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In New Madrid, 69% of that work is heating and 31% 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 New Madrid 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 New Madrid averaged 0.5° warmer than the 1900s. The biggest change is in February (+1.7°). The shift is smaller than in 96% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at New Madrid’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 27° to 48°. July is the most reliable, staying within 8°.
Common questions about New Madrid’s climate
What is the coldest month in New Madrid?
January, with a typical high of 44° and a low of 28°.
What is the hottest month in New Madrid?
July, with a typical high of 90° and a low of 70°. About 56 days a year reach 90°.
How much snow does New Madrid get?
About 7 inches in a normal winter, most of it in January.
When is the first frost in New Madrid?
In half of years the first 32° night comes by November 3, and the last spring frost by March 28.
What is the rainiest month in New Madrid?
April, with 5.3 inches of rain and melted snow. The year totals 50 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for New Madrid itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Portageville, MO (15 mi, snow) and New Madrid, MO (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.