Jeffersonville, IN climate
Jeffersonville has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 25°, and about 4 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Jeffersonville feels like
Winter
Spring
Summer
Fall
Jeffersonville 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 42° | 25° | 3.4" | 2.3" | 11 | 25° – 43° |
| February | 47° | 27° | 3.4" | 0.3" | 10 | 26° – 47° |
| March | 57° | 35° | 4.5" | 0.3" | 13 | 39° – 58° |
| April | 68° | 45° | 5.0" | 0 | 12 | 51° – 63° |
| May | 77° | 55° | 5.2" | 0 | 12 | 60° – 74° |
| June | 85° | 64° | 4.7" | 0 | 11 | 70° – 78° |
| July | 88° | 67° | 4.4" | 0 | 10 | 72° – 82° |
| August | 87° | 65° | 3.8" | 0 | 8 | 71° – 82° |
| September | 81° | 58° | 3.7" | 0 | 8 | 65° – 77° |
| October | 69° | 46° | 3.8" | 0 | 8 | 53° – 64° |
| November | 56° | 36° | 3.6" | 0 | 10 | 40° – 51° |
| December | 46° | 29° | 4.2" | 1.4" | 12 | 25° – 48° |
| Year | 67° | 46° | 49.7" | 4.3" | 124 |
“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 Jeffersonville
Jeffersonville gets 50 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 124 days a year.
About 225 frost-free days a year
In half of years the last 32° night comes by March 31 and the first one by November 9. That leaves about 225 frost-free days for gardens, longer than 84% of U.S. towns.
Heating and cooling a home in Jeffersonville
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Jeffersonville, 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.
Jeffersonville and its neighbors
Jeffersonville borders 8 towns with climate data. January nights across them vary by 1.5°. Charlestown has the coldest January nights (24°) and Clarksville the hottest July afternoons (88°). Jeffersonville’s January low is 25° and its July high 88°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Jeffersonville 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 Jeffersonville averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.4°). The shift is larger than in 51% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Jeffersonville’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 25° to 48°. June is the most reliable, staying within 9°.
Common questions about Jeffersonville’s climate
What is the coldest month in Jeffersonville?
January, with a typical high of 42° and a low of 25°.
What is the hottest month in Jeffersonville?
July, with a typical high of 88° and a low of 67°. About 46 days a year reach 90°.
How much snow does Jeffersonville get?
About 4 inches in a normal winter, most of it in January.
When is the first frost in Jeffersonville?
In half of years the first 32° night comes by November 9, and the last spring frost by March 31.
What is the rainiest month in Jeffersonville?
May, with 5.2 inches of rain and melted snow. The year totals 50 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Jeffersonville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Louisville Mcalpine, KY (6 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.