Average Weather in January in Greensburg Indiana, United States
In Greensburg, the month of January is characterized by essentially constant daily high temperatures, with daily highs around 37°F throughout the month, rarely exceeding 53°F or dropping below 22°F. The lowest daily average high temperature is 36°F on January 21.
Daily low temperatures are around 23°F, rarely falling below 5°F or exceeding 39°F. The lowest daily average low temperature is 22°F on January 29.
For reference, on July 20, the hottest day of the year, temperatures in Greensburg typically range from 66°F to 84°F, while on January 29, the coldest day of the year, they range from 22°F to 36°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in January
The month of January in Greensburg experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 59% throughout the month.
The clearest day of the month is January 24, with clear, mostly clear, or partly cloudy conditions 42% of the time.
For reference, on December 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 60%, while on August 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.
Cloud Cover Categories in January
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Greensburg, the chance of a wet day over the course of January is essentially constant, remaining around 22% throughout.
For reference, the year's highest daily chance of a wet day is 41% on June 26, and its lowest chance is 20% on January 28.
Over the course of January in Greensburg, the chance of a day with only rain decreases from 17% to 13%, the chance of a day with mixed snow and rain remains an essentially constant 4% throughout, and the chance of a day with only snow increases from 3% to 5%.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Greensburg is decreasing, starting the month at 2.4 inches, when it rarely exceeds 4.7 inches or falls below 0.5 inches, and ending the month at 1.8 inches, when it rarely exceeds 3.7 inches or falls below 0.4 inches.
Average Monthly Rainfall in January
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during January in Greensburg is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.0 inches or falling to 0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in January
Over the course of January in Greensburg, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 44 minutes, implying an average daily increase of 1 minute, 28 seconds, and weekly increase of 10 minutes, 18 seconds.
The shortest day of the month is January 1, with 9 hours, 28 minutes of daylight and the longest day is January 31, with 10 hours, 12 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Greensburg is 8:02 AM on January 4 and the earliest sunrise is 12 minutes earlier at 7:49 AM on January 31.
The earliest sunset is 5:29 PM on January 1 and the latest sunset is 32 minutes later at 6:01 PM on January 31.
Daylight saving time is observed in Greensburg during 2017, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:15 AM and sets 14 hours, 57 minutes later, at 9:12 PM, while on December 21, the shortest day of the year, it rises at 7:58 AM and sets 9 hours, 24 minutes later, at 5:22 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Greensburg is essentially constant during January, remaining around 0% throughout.
For reference, on July 23, the muggiest day of the year, there are muggy conditions 57% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
The average hourly wind speed in Greensburg is essentially constant during January, remaining within 0.2 miles per hour of 10.6 miles per hour throughout.
For reference, on April 2, the windiest day of the year, the daily average wind speed is 10.8 miles per hour, while on July 31, the calmest day of the year, the daily average wind speed is 6.1 miles per hour.
The highest daily average wind speed during January is 10.8 miles per hour on January 15.
Average Wind Speed in January
Wind Direction in January
The growing season in Greensburg typically lasts for 6.2 months (191 days), from around April 12 to around October 20, rarely starting before March 26 or after April 28, and rarely ending before October 3 or after November 6.
The month of January in Greensburg is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Greensburg is essentially constant during January, remaining within 2°F of 6°F throughout.
Growing Degree Days in January
The average daily incident shortwave solar energy in Greensburg is gradually increasing during January, rising by 0.6 kWh, from 1.9 kWh to 2.5 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Greensburg are 39.337 deg latitude, -85.484 deg longitude, and 938 ft elevation.
The topography within 2 miles of Greensburg contains only modest variations in elevation, with a maximum elevation change of 118 feet and an average elevation above sea level of 937 feet. Within 10 miles also contains only modest variations in elevation (348 feet). Within 50 miles contains only modest variations in elevation (899 feet).
The area within 2 miles of Greensburg is covered by cropland (74%) and artificial surfaces (26%), within 10 miles by cropland (93%), and within 50 miles by cropland (61%) and trees (31%).
This report illustrates the typical weather in Greensburg year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Greensburg.
For each station, the records are corrected for the elevation difference between that station and Greensburg according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Greensburg is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Greensburg and a given station.
The stations contributing to this reconstruction are: Columbus Bakalar Municipal Airport (38%, 37 kilometers, west); Shelbyville Municipal Airport (37%, 38 kilometers, northwest); Cincinnati/Northern Kentucky International Airport (13%, 77 kilometers, southeast); and Butler County Regional Airport (12%, 83 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .