Average Weather in Junction City Kansas, United States
In Junction City, the summers are hot, muggy, and wet; the winters are very cold, dry, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 21°F to 93°F and is rarely below 5°F or above 102°F.
Based on the tourism score, the best time of year to visit Junction City for warm-weather activities is from mid May to late September.
The hot season lasts for 3.4 months, from June 3 to September 15, with an average daily high temperature above 82°F. The hottest day of the year is July 20, with an average high of 93°F and low of 71°F.
The cold season lasts for 3.0 months, from November 26 to February 26, with an average daily high temperature below 51°F. The coldest day of the year is January 6, with an average low of 21°F and high of 41°F.
Average High and Low Temperature
Average Hourly Temperature
In Junction City, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Junction City begins around June 6 and lasts for 5.0 months, ending around November 5. On September 14, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 73% of the time, and overcast or mostly cloudy 27% of the time.
The cloudier part of the year begins around November 5 and lasts for 7.0 months, ending around June 6. On February 12, the cloudiest day of the year, the sky is overcast or mostly cloudy 49% of the time, and clear, mostly clear, or partly cloudy 51% of the time.
Cloud Cover Categories
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Junction City varies significantly throughout the year.
The wetter season lasts 5.8 months, from April 3 to September 28, with a greater than 25% chance of a given day being a wet day. The chance of a wet day peaks at 43% on June 7.
The drier season lasts 6.2 months, from September 28 to April 3. The smallest chance of a wet day is 7% on January 12.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Junction City changes throughout the year.
Rain alone is the most common for 12 months, from January 12 to December 30. The highest chance of a day with rain alone is 43% on June 7.
Snow alone is the most common for 1.9 weeks, from December 30 to January 12. The highest chance of a day with snow alone is 4% on January 24.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Junction City experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 11 months, from January 30 to December 26, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 1, with an average total accumulation of 4.5 inches.
The rainless period of the year lasts for 1.1 months, from December 26 to January 30. The least rain falls around January 12, with an average total accumulation of 0.3 inches.
Average Monthly Rainfall
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. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.
As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Junction City experiences some seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 4.0 months, from November 21 to March 19, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around February 1, with an average total liquid-equivalent accumulation of 0.3 inches.
The snowless period of the year lasts for 8.0 months, from March 19 to November 21. The least snow falls around July 17, with an average total liquid-equivalent accumulation of 0.0 inches.
Average Liquid-Equivalent Monthly Snowfall
The length of the day in Junction City varies significantly over the course of the year. In 2018, the shortest day is December 21, with 9 hours, 26 minutes of daylight; the longest day is June 21, with 14 hours, 55 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 6:00 AM on June 14, and the latest sunrise is 1 hour, 56 minutes later at 7:57 AM on November 3. The earliest sunset is at 5:04 PM on December 7, and the latest sunset is 3 hours, 52 minutes later at 8:57 PM on June 27.
Daylight saving time (DST) is observed in Junction City during 2018, starting in the spring on March 11, lasting 7.8 months, and ending in the fall on November 4.
Sunrise & Sunset with Twilight and Daylight Saving Time
Junction City experiences extreme seasonal variation in the perceived humidity.
The muggier period of the year lasts for 3.9 months, from May 24 to September 22, during which time the comfort level is muggy, oppressive, or miserable at least 16% of the time. The muggiest day of the year is July 24, with muggy conditions 64% of the time.
The least muggy day of the year is December 11, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
The average hourly wind speed in Junction City experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 3.5 months, from February 5 to May 21, with average wind speeds of more than 11.2 miles per hour. The windiest day of the year is April 4, with an average hourly wind speed of 13.1 miles per hour.
The calmer time of year lasts for 8.5 months, from May 21 to February 5. The calmest day of the year is August 7, with an average hourly wind speed of 9.3 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Junction City varies throughout the year.
The wind is most often from the south for 8.6 months, from March 16 to December 5, with a peak percentage of 60% on July 5. The wind is most often from the north for 3.4 months, from December 5 to March 16, with a peak percentage of 35% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Junction City throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Junction City for general outdoor tourist activities is from mid May to late September, with a peak score in the last week of August.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Junction City for hot-weather activities is from mid June to late August, with a peak score in the third week of July.
The growing season in Junction City typically lasts for 6.2 months (188 days), from around April 14 to around October 19, rarely starting before March 26 or after May 1, and rarely ending before September 29 or after November 8.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Junction City should appear around March 16, only rarely appearing before March 2 or after April 6.
Growing Degree Days
The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year.
The brighter period of the year lasts for 3.8 months, from April 28 to August 22, with an average daily incident shortwave energy per square meter above 6.2 kWh. The brightest day of the year is July 9, with an average of 7.2 kWh.
The darker period of the year lasts for 3.1 months, from November 5 to February 9, with an average daily incident shortwave energy per square meter below 3.2 kWh. The darkest day of the year is December 20, with an average of 2.2 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Junction City are 39.029 deg latitude, -96.831 deg longitude, and 1,096 ft elevation.
The topography within 2 miles of Junction City contains only modest variations in elevation, with a maximum elevation change of 240 feet and an average elevation above sea level of 1,118 feet. Within 10 miles also contains only modest variations in elevation (367 feet). Within 50 miles contains only modest variations in elevation (804 feet).
The area within 2 miles of Junction City is covered by artificial surfaces (55%), cropland (30%), and grassland (12%), within 10 miles by grassland (62%) and cropland (22%), and within 50 miles by grassland (67%) and cropland (30%).
This report illustrates the typical weather in Junction City, 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 Junction City.
For each station, the records are corrected for the elevation difference between that station and Junction City 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 Junction City is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Junction City and a given station.
The stations contributing to this reconstruction are: Marshall Army Airfield (89%, 6 kilometers, northeast); Clay Center Municipal Airport (8%, 31 kilometers, north); Salina Municipal Airport (2.1%, 75 kilometers, west); and Newton City-County Airport (1.1%, 114 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .