Monticello, MS climate
Monticello has mild winters and hot summers, with plenty of rain. A typical July afternoon reaches 92°, a January night drops to 37°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Monticello feels like
Winter
Spring
Summer
Fall
Monticello 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 | 60° | 37° | 5.7" | 0.1" | 9 | 0 | 42° – 56° |
| February | 64° | 41° | 5.5" | 0 | 8 | 0 | 43° – 61° |
| March | 72° | 47° | 5.5" | 0 | 8 | 0 | 53° – 67° |
| April | 78° | 53° | 5.2" | 0 | 7 | 0 | 60° – 70° |
| May | 85° | 61° | 4.3" | 0 | 7 | 0 | 70° – 77° |
| June | 91° | 69° | 4.7" | 0 | 9 | 0 | 77° – 83° |
| July | 92° | 71° | 5.5" | 0 | 10 | 0 | 79° – 85° |
| August | 92° | 70° | 5.2" | 0 | 9 | 0 | 78° – 84° |
| September | 88° | 65° | 3.7" | 0 | 6 | 0 | 74° – 81° |
| October | 80° | 54° | 3.8" | 0 | 5 | 0 | 62° – 73° |
| November | 69° | 43° | 4.5" | 0 | 6 | 0 | 51° – 61° |
| December | 62° | 39° | 5.2" | 0.1" | 8 | 0 | 42° – 59° |
| Year | 78° | 54° | 58.7" | 0.2" | 91 | 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 Monticello
Monticello gets 59 inches of rain and melted snow a year. January is the wettest month and September the driest. Rain or snow falls on about 91 days a year.
About 242 frost-free days a year
In half of years the last 32° night comes by March 12 and the first one by November 10. That leaves about 242 frost-free days for gardens, longer than 89% of U.S. towns.
Heating and cooling a home in Monticello
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Monticello, 41% of that work is heating and 59% 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 Monticello 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 Monticello averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.3°). The shift is smaller than in 91% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Monticello’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 43° to 61°. July is the most reliable, staying within 5°.
Common questions about Monticello’s climate
What is the coldest month in Monticello?
January, with a typical high of 60° and a low of 37°.
What is the hottest month in Monticello?
July, with a typical high of 92° and a low of 71°. About 105 days a year reach 90°.
How much snow does Monticello get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in Monticello?
In half of years the first 32° night comes by November 10, and the last spring frost by March 12.
What is the rainiest month in Monticello?
January, with 5.7 inches of rain and melted snow. The year totals 59 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Monticello itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Monticello, MS (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.