Anderson, IN climate
Anderson has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 25°, and about 8 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Anderson feels like
Winter
Spring
Summer
Fall
Anderson 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° | 3.7" | 3.0" | 10 | 26° – 43° |
| February | 47° | 27° | 3.6" | 2.4" | 9 | 26° – 44° |
| March | 56° | 35° | 4.7" | 1.3" | 12 | 39° – 59° |
| April | 68° | 44° | 5.2" | 0 | 12 | 49° – 61° |
| May | 76° | 54° | 5.5" | 0 | 12 | 60° – 71° |
| June | 84° | 62° | 4.9" | 0 | 10 | 69° – 77° |
| July | 87° | 66° | 4.1" | 0 | 9 | 71° – 82° |
| August | 86° | 64° | 3.1" | 0 | 7 | 71° – 80° |
| September | 81° | 57° | 3.6" | 0 | 7 | 64° – 74° |
| October | 70° | 45° | 3.8" | 0 | 8 | 53° – 62° |
| November | 56° | 35° | 4.0" | 0 | 9 | 39° – 52° |
| December | 46° | 29° | 4.3" | 1.6" | 12 | 24° – 48° |
| Year | 67° | 45° | 50.5" | 8.3" | 117 |
“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 Anderson
Anderson gets 50 inches of rain and melted snow a year. May is the wettest month and August the driest. Rain or snow falls on about 117 days a year.
About 208 frost-free days a year
In half of years the last 32° night comes by April 5 and the first one by November 1. That leaves about 208 frost-free days for gardens, longer than 77% of U.S. towns.
Heating and cooling a home in Anderson
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Anderson, 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.
Anderson and its neighbors
Anderson borders 7 towns with climate data. January nights across them vary by 1.6°. Clark has the coldest January nights (24°) and Huff the hottest July afternoons (87°). Anderson’s January low is 25° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Anderson 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 Anderson averaged 0.5° warmer than the 1900s. The biggest change is in December (+1.8°). The shift is smaller than in 96% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Anderson’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 24° to 48°. June is the most reliable, staying within 8°.
Common questions about Anderson’s climate
What is the coldest month in Anderson?
January, with a typical high of 42° and a low of 25°.
What is the hottest month in Anderson?
July, with a typical high of 87° and a low of 66°. About 28 days a year reach 90°.
How much snow does Anderson get?
About 8 inches in a normal winter, most of it in January.
When is the first frost in Anderson?
In half of years the first 32° night comes by November 1, and the last spring frost by April 5.
What is the rainiest month in Anderson?
May, with 5.5 inches of rain and melted snow. The year totals 50 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Anderson itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Saint Meinrad, IN (10 mi, snow) and Tell City, IN (9 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.