Indiana

Milan, Indiana Climate

NOAA 1991-2020 normals for Milan 5 Ne, 8.2 km from Milan

The warmest month is July, with an average high of 83°F; the coldest is January, with an average low of 19°F.

Temperature through the year

The normal daily high and low and the record for every date at Batesville (HLB), since 1896. The line marks today.

Normal daily high and low temperature at Milan through the year, in °F, with the record for each date.-50050100150JanFebMarAprMayJunJulAugSepOctNovDec
  • Normal low
  • Normal high
  • Record high
  • Record low

Normals for Sep 24

Normal high
74°F
Normal low
50°F
Record high
96°Fin 2010
Record low
33°Fin 1928
Daylight
12 h 04 min

Month by month

Averages for 1991-2020. Wet days have at least 0.01 inch of precipitation. Freeze nights have a low of 32°F or colder; degree days are on a 65°F base. Each month links to its own page.

MonthAvg highAvg lowRecord highRecord lowPrecipitationWet daysSnowfallFreeze nightsHeating DDCooling DD
January37°F19°F75°F (1943)-34°F (1963)5.0 in27.11,1470
February41°F22°F76°F (2018)-35°F (1951)5.1 in23.39460
March51°F30°F86°F (1910)-13°F (1960)2.0 in20.77701
April62°F39°F92°F (1942)13°F (1964)0.1 in7.64318
May72°F50°F94°F (1934)22°F (1963)0.0 in0.817448
June79°F59°F101°F (1954)30°F (1966)0.0 in0.034146
July83°F62°F106°F (1936)42°F (1967)0.0 in0.04229
August82°F60°F105°F (1936)38°F (1967)0.0 in0.010186
September76°F53°F104°F (1953)26°F (1899)0.0 in0.29082
October65°F41°F92°F (1953)13°F (1952)0.3 in7.037210
November52°F32°F82°F (1950)-12°F (1958)0.0 in16.86920
December41°F24°F74°F (2004)-23°F (1963)3.4 in24.41,0090
Year62°F41°F15.9 in1285,679711

Precipitation

Rain and melted snow together. The chance of a wet day is the share of days with at least 0.01 inch of precipitation.

Chance of a wet day

The chance of at least 0.01 inch of precipitation on each date at Milan, in percent, and of at least 0.1 inch of snowfall.02468JanFebMarAprMayJunJulAugSepOctNovDec
  • Chance of a wet day
  • Chance of snowfall

Snow

NOAA 1991-2020 snowfall normals for Farmers Retreat, 16.4 km away; Milan 5 Ne keeps no snowfall normals.

15.9 in of snow in a normal year.

Frost and the growing season

NOAA's 1991-2020 freeze probabilities for Milan 5 Ne. A median date has an even chance of a later freeze in spring, or an earlier one in fall.

The last spring freeze typically comes around April 30 and the first fall freeze around October 16, a growing season of about 168 days.

Median at 36°F
last May 8, first October 6
Median at 32°F
last April 30, first October 16
Median at 28°F
last April 17, first October 26

Frost dates, growing season and degree days

Humidity and comfort

NASA POWER reanalysis, 1991-2020, for the grid cell around Milan.

The muggiest month is July, when 62 percent of days are muggy or worse, with a mean dew point of 65°F or more.

MonthDew pointHumidityDryComfortableHumidMuggyOppressiveMiserable
January26°F86%98%2%0%0%0%0%
February28°F85%98%2%0%0%0%0%
March36°F82%93%5%2%0%0%0%
April46°F79%78%12%8%2%0%0%
May56°F80%44%16%19%19%2%0%
June64°F79%12%16%22%31%19%1%
July66°F76%5%14%20%30%29%3%
August63°F71%13%21%22%27%16%0%
September55°F68%49%22%14%13%2%0%
October45°F71%82%11%5%2%0%0%
November36°F79%96%4%1%0%0%0%
December29°F86%99%1%0%0%0%0%

Comfort is judged by the day's mean dew point: dry below 55°F, comfortable to 60°F, humid to 65°F, muggy to 70°F, oppressive to 75°F, miserable above.

Clouds

Average share of the sky covered, from satellite (CERES and GEWEX SRB) by way of NASA POWER, 1991-2020.

The clearest month is September, with the sky 48 percent covered on average; the cloudiest is January, at 74 percent.

Wind

The mean wind speed over the whole day, from the MERRA-2 reanalysis by way of NASA POWER. Gusts run well above it.

The windiest month is January, averaging 7.4 mph at 10 meters (33 feet) above the ground.

Daylight and sunshine

The longest day is Jun 19, with 14 h 56 min of daylight; the shortest is Dec 16, with 9 h 25 min.

Hours of daylight at Milan through the year.0510152025JanFebMarAprMayJunJulAugSepOctNovDec
  • Day length

Solar energy

Average daily sunshine reaching the ground on a flat surface, in kilowatt-hours per square meter, clouds included.

Sunrise and sunset calendar

How Ripley County is running

NOAA NCEI Climate at a Glance, from the nClimGrid analysis of every station, updated early each month. A rank of 1 is the highest or lowest of all years since 1895.

August 2026 in Ripley County: 73.8°F (+0.7 °F against 1991-2020), the 42nd warmest in 132 years on record.

August 2026 in Ripley County: 7.88 in (+4.31 in against 1991-2020), the wettest in 132 years on record.

January to August 2026 in Ripley County: 56.2°F (+1.1 °F against 1991-2020), the 16th warmest in 132 years on record.

January to August 2026 in Ripley County: 38.54 in (+5.12 in against 1991-2020), the 9th wettest in 132 years on record.

Warmest August
79.6°F in 1936
Coolest August
66.8°F in 1927
Wettest August
7.88 in in 2026
Driest August
0.85 in in 1943

Every year since 1895

Each year's average temperature in Ripley County against the 1991-2020 average, in °F, 1895 to 2025.-4-20+2+41900192019401960198020002020NOAA NCEI Climate at a Glance

Indiana climate and rankings

Month pages

The weather in Milan in each month, day by day.

What this means

A normal is the average of the thirty years 1991 to 2020, the period the World Meteorological Organization and NOAA use for comparison. It is an average, not a forecast: most days depart from it, and some by a long way.

A record is the highest or lowest value on the date in every year the station has reported, back to 1896. It rests on one station, so a neighbor a few miles away can hold different ones.

Cloud, humidity, wind and sunshine come from a reanalysis: a weather model run over the past with every observation fed in, averaged over a grid cell about 50 km across. It is consistent everywhere on Earth; it smooths local detail such as a lake shore or a valley.

More for this place

Nearby

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00125658 (Milan 5 Ne), public domain. Records: NOAA GHCN-Daily, station USC00123547, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus. Rankings: NOAA NCEI Climate at a Glance, public domain.