Myrtle, MS climate
Myrtle has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 31°, and about 1 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Myrtle feels like
Winter
Spring
Summer
Fall
Myrtle 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 | 51° | 31° | 4.9" | 0.6" | 10 | 0 | 33° – 49° |
| February | 56° | 35° | 5.3" | 0.3" | 9 | 1 | 36° – 54° |
| March | 65° | 42° | 5.5" | 0.2" | 10 | 0 | 46° – 63° |
| April | 74° | 49° | 5.6" | 0 | 9 | 0 | 55° – 66° |
| May | 81° | 58° | 5.3" | 0 | 10 | 0 | 65° – 75° |
| June | 88° | 66° | 4.8" | 0 | 9 | 0 | 74° – 81° |
| July | 90° | 70° | 4.3" | 0 | 9 | 0 | 75° – 83° |
| August | 90° | 68° | 3.8" | 0 | 8 | 0 | 74° – 85° |
| September | 85° | 61° | 3.7" | 0 | 7 | 0 | 70° – 80° |
| October | 75° | 49° | 4.0" | 0 | 7 | 0 | 58° – 68° |
| November | 63° | 39° | 4.3" | 0 | 9 | 0 | 45° – 56° |
| December | 54° | 34° | 6.2" | 0.1" | 11 | 0 | 33° – 53° |
| Year | 72° | 50° | 57.7" | 1.2" | 109 | 1 |
“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 Myrtle
Myrtle gets 58 inches of rain and melted snow a year. December is the wettest month and September the driest. Rain or snow falls on about 109 days a year.
About 202 frost-free days a year
In half of years the last 32° night comes by April 8 and the first one by October 28. That leaves about 202 frost-free days for gardens, longer than 73% of U.S. towns.
Heating and cooling a home in Myrtle
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Myrtle, 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 Myrtle compares
Compared with every U.S. town and city on TownTapestry, each counted once.
About as warm as it used to be
The last 30 years in Myrtle averaged 0.3° warmer than the 1900s. The biggest change is in February (+1.4°). The shift is smaller than in 99% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Myrtle’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 53°. June is the most reliable, staying within 7°.
Common questions about Myrtle’s climate
What is the coldest month in Myrtle?
January, with a typical high of 51° and a low of 31°.
What is the hottest month in Myrtle?
July, with a typical high of 90° and a low of 70°. About 59 days a year reach 90°.
How much snow does Myrtle get?
About 1 inches in a normal winter, most of it in January.
When is the first frost in Myrtle?
In half of years the first 32° night comes by October 28, and the last spring frost by April 8.
What is the rainiest month in Myrtle?
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 Myrtle itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at New Albany, MS (9 mi, snow) and Hickory Flat, MS (6 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.