Columbus, KY climate
Columbus has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 89°, a January night drops to 27°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Columbus feels like
Winter
Spring
Summer
Fall
Columbus weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 44° | 27° | 3.9" | 29° – 44° |
| February | 49° | 31° | 4.1" | 29° – 49° |
| March | 59° | 39° | 5.1" | 42° – 61° |
| April | 70° | 47° | 5.2" | 52° – 63° |
| May | 78° | 58° | 5.2" | 63° – 75° |
| June | 86° | 66° | 4.4" | 71° – 81° |
| July | 89° | 69° | 4.1" | 75° – 83° |
| August | 88° | 67° | 3.1" | 73° – 84° |
| September | 82° | 59° | 3.5" | 67° – 77° |
| October | 71° | 48° | 4.0" | 55° – 65° |
| November | 58° | 38° | 4.3" | 41° – 54° |
| December | 47° | 31° | 4.6" | 27° – 49° |
| Year | 68° | 48° | 51.5" |
“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 Columbus
Columbus gets 52 inches of rain and melted snow a year. April is the wettest month and August the driest.
About 204 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 204 frost-free days for gardens, longer than 75% of U.S. towns.
Heating and cooling a home in Columbus
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Columbus, 72% of that work is heating and 28% 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 Columbus 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 Columbus averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.9°). The shift is smaller than in 89% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Columbus’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 49°. July is the most reliable, staying within 9°.
Common questions about Columbus’s climate
What is the coldest month in Columbus?
January, with a typical high of 44° and a low of 27°.
What is the hottest month in Columbus?
July, with a typical high of 89° and a low of 69°. About 48 days a year reach 90°.
When is the first frost in Columbus?
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 Columbus?
April, with 5.2 inches of rain and melted snow. The year totals 52 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Columbus itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bardwell 2 E, KY (10 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.