Indiana, KS climate
Indiana has chilly winters and warm summers. A typical July afternoon reaches 92°, a January night drops to 18°, and about 19 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Indiana feels like
Winter
Spring
Summer
Fall
Indiana 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 | 42° | 18° | 0.5" | 3.1" | 3 | 5 | 21° – 41° |
| February | 46° | 21° | 0.6" | 5.0" | 3 | 5 | 23° – 41° |
| March | 57° | 30° | 1.2" | 3.0" | 5 | 2 | 35° – 54° |
| April | 66° | 38° | 2.2" | 1.3" | 7 | 1 | 45° – 57° |
| May | 75° | 48° | 3.5" | 0 | 8 | 0 | 54° – 67° |
| June | 87° | 59° | 2.9" | 0 | 8 | 0 | 68° – 78° |
| July | 92° | 65° | 3.8" | 0 | 8 | 0 | 73° – 83° |
| August | 89° | 63° | 3.2" | 0 | 8 | 0 | 69° – 82° |
| September | 81° | 54° | 1.9" | 0 | 6 | 0 | 61° – 74° |
| October | 68° | 41° | 1.8" | 1.4" | 6 | 0 | 47° – 60° |
| November | 54° | 29° | 0.8" | 1.2" | 3 | 2 | 33° – 48° |
| December | 43° | 20° | 0.7" | 3.7" | 4 | 6 | 23° – 36° |
| Year | 67° | 40° | 23.1" | 18.7" | 67 | 21 |
“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 Indiana
Indiana gets 23 inches of rain and melted snow a year. July is the wettest month and January the driest. Rain or snow falls on about 67 days a year. Snow covers the ground about 21 days of the year.
About 169 frost-free days a year
In half of years the last 32° night comes by April 27 and the first one by October 14. That leaves about 169 frost-free days for gardens, shorter than 62% of U.S. towns.
Heating and cooling a home in Indiana
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Indiana, 79% of that work is heating and 21% 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.
Indiana and its neighbors
Indiana borders 4 towns with climate data. January nights across them vary by 1.4°. Highland-District 2 has the coldest January nights (17°) and Gettysburg the hottest July afternoons (92°). Indiana’s January low is 18° and its July high 92°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Indiana 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 Indiana averaged 1.1° warmer than the 1900s. The biggest change is in March (+3.1°). The shift is smaller than in 59% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Indiana’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 21° to 41°. July is the most reliable, staying within 11°.
Common questions about Indiana’s climate
What is the coldest month in Indiana?
January, with a typical high of 42° and a low of 18°.
What is the hottest month in Indiana?
July, with a typical high of 92° and a low of 65°. About 69 days a year reach 90°.
How much snow does Indiana get?
About 19 inches in a normal winter, most of it in February.
When is the first frost in Indiana?
In half of years the first 32° night comes by October 14, and the last spring frost by April 27.
What is the rainiest month in Indiana?
July, with 3.8 inches of rain and melted snow. The year totals 23 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Indiana itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lenora Coop, KS (8 mi, snow) and Hill City Municipal Airport, KS (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.