McDonald, TN climate
McDonald has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 89°, a January night drops to 30°, and about 1 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in McDonald feels like
Winter
Spring
Summer
Fall
McDonald 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° | 30° | 5.0" | 0.2" | 13 | 0 | 31° – 47° |
| February | 54° | 33° | 5.1" | 0.6" | 13 | 0 | 34° – 52° |
| March | 63° | 40° | 5.2" | 0 | 14 | 0 | 45° – 61° |
| April | 72° | 47° | 5.0" | 0 | 12 | 0 | 55° – 64° |
| May | 79° | 56° | 4.1" | 0 | 12 | 0 | 62° – 73° |
| June | 86° | 64° | 4.3" | 0 | 13 | 0 | 70° – 79° |
| July | 89° | 68° | 4.5" | 0 | 13 | 0 | 75° – 82° |
| August | 88° | 67° | 4.0" | 0 | 10 | 0 | 73° – 83° |
| September | 83° | 60° | 4.4" | 0 | 9 | 0 | 69° – 78° |
| October | 73° | 48° | 3.4" | 0 | 9 | 0 | 57° – 66° |
| November | 61° | 38° | 4.6" | 0 | 10 | 0 | 44° – 54° |
| December | 52° | 33° | 5.3" | 0.3" | 14 | 0 | 34° – 53° |
| Year | 71° | 49° | 54.9" | 1.1" | 140 | 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 McDonald
McDonald gets 55 inches of rain and melted snow a year. December is the wettest month and October the driest. Rain or snow falls on about 140 days a year.
About 206 frost-free days a year
In half of years the last 32° night comes by April 6 and the first one by October 30. That leaves about 206 frost-free days for gardens, longer than 76% of U.S. towns.
Heating and cooling a home in McDonald
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In McDonald, 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.
McDonald and its neighbors
McDonald borders 1 town with climate data. January nights across them vary by 0.1°. South Cleveland has both the coldest January nights (30°) and the hottest July afternoons (89°). McDonald’s January low is 30° and its July high 89°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How McDonald 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 McDonald averaged 0.8° warmer than the 1900s. The biggest change is in December (+1.9°). The shift is smaller than in 84% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at McDonald’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 34° to 53°. July is the most reliable, staying within 7°.
Common questions about McDonald’s climate
What is the coldest month in McDonald?
January, with a typical high of 50° and a low of 30°.
What is the hottest month in McDonald?
July, with a typical high of 89° and a low of 68°. About 36 days a year reach 90°.
How much snow does McDonald get?
About 1 inches in a normal winter, most of it in February.
When is the first frost in McDonald?
In half of years the first 32° night comes by October 30, and the last spring frost by April 6.
What is the rainiest month in McDonald?
December, with 5.3 inches of rain and melted snow. The year totals 55 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for McDonald itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cleveland Fltr Plt, TN (13 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.