Average Weather in Mankato Kansas, United States
In Mankato, the summers are hot, humid, and mostly clear and the winters are freezing, dry, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 19°F to 90°F and is rarely below 3°F or above 99°F.
Based on the tourism score, the best time of year to visit Mankato for warm-weather activities is from early June to mid September.
The hot season lasts for 3.5 months, from June 1 to September 16, with an average daily high temperature above 79°F. The hottest day of the year is July 20, with an average high of 90°F and low of 68°F.
The cold season lasts for 3.0 months, from November 25 to February 26, with an average daily high temperature below 48°F. The coldest day of the year is January 3, with an average low of 19°F and high of 37°F.
Average High and Low Temperature
Average Hourly Temperature
In Mankato, 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 Mankato begins around June 2 and lasts for 5.0 months, ending around November 3. On July 13, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 74% of the time, and overcast or mostly cloudy 26% of the time.
The cloudier part of the year begins around November 3 and lasts for 7.0 months, ending around June 2. On February 13, the cloudiest day of the year, the sky is overcast or mostly cloudy 48% of the time, and clear, mostly clear, or partly cloudy 52% 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 Mankato varies significantly throughout the year.
The wetter season lasts 4.9 months, from April 17 to September 12, with a greater than 24% chance of a given day being a wet day. The chance of a wet day peaks at 42% on June 7.
The drier season lasts 7.1 months, from September 12 to April 17. The smallest chance of a wet day is 6% on January 10.
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 Mankato changes throughout the year.
Rain alone is the most common for 9.7 months, from February 16 to December 8. The highest chance of a day with rain alone is 42% on June 7.
Snow alone is the most common for 2.3 months, from December 8 to February 16. The highest chance of a day with snow alone is 5% on December 21.
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. Mankato experiences significant seasonal variation in monthly rainfall.
The rainy period of the year lasts for 9.5 months, from February 22 to December 6, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around May 26, with an average total accumulation of 3.9 inches.
The rainless period of the year lasts for 2.6 months, from December 6 to February 22. The least rain falls around January 12, with an average total accumulation of 0.2 inches.
Average Monthly Rainfall
As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Mankato experiences some seasonal variation in monthly liquid-equivalent snowfall.
The snowy period of the year lasts for 5.0 months, from November 8 to April 7, 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 7.0 months, from April 7 to November 8. 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 Mankato varies significantly over the course of the year. In 2018, the shortest day is December 21, with 9 hours, 21 minutes of daylight; the longest day is June 21, with 14 hours, 60 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 6:04 AM on June 14, and the latest sunrise is 1 hour, 60 minutes later at 8:03 AM on November 3. The earliest sunset is at 5:08 PM on December 7, and the latest sunset is 3 hours, 57 minutes later at 9:05 PM on June 27.
Daylight saving time (DST) is observed in Mankato 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
Mankato experiences significant seasonal variation in the perceived humidity.
The muggier period of the year lasts for 3.3 months, from June 3 to September 13, during which time the comfort level is muggy, oppressive, or miserable at least 12% of the time. The muggiest day of the year is July 24, with muggy conditions 49% of the time.
The least muggy day of the year is February 16, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
The average hourly wind speed in Mankato experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 3.5 months, from February 13 to May 28, with average wind speeds of more than 11.1 miles per hour. The windiest day of the year is April 11, with an average hourly wind speed of 13.0 miles per hour.
The calmer time of year lasts for 8.5 months, from May 28 to February 13. The calmest day of the year is August 7, with an average hourly wind speed of 9.2 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Mankato varies throughout the year.
The wind is most often from the south for 6.2 months, from April 20 to October 25, with a peak percentage of 55% on July 5. The wind is most often from the north for 5.8 months, from October 25 to April 20, with a peak percentage of 39% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Mankato 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 Mankato for general outdoor tourist activities is from early June to mid 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 Mankato for hot-weather activities is from late June to late August, with a peak score in the third week of July.
The growing season in Mankato typically lasts for 6.0 months (183 days), from around April 17 to around October 17, rarely starting before March 29 or after May 4, and rarely ending before September 28 or after November 5.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Mankato should appear around March 27, only rarely appearing before March 14 or after April 17.
Growing Degree Days
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.7 months, from April 27 to August 18, with an average daily incident shortwave energy per square meter above 6.3 kWh. The brightest day of the year is July 1, with an average of 7.3 kWh.
The darker period of the year lasts for 3.2 months, from November 4 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 Mankato are 39.787 deg latitude, -98.210 deg longitude, and 1,778 ft elevation.
The topography within 2 miles of Mankato contains only modest variations in elevation, with a maximum elevation change of 210 feet and an average elevation above sea level of 1,774 feet. Within 10 miles also contains only modest variations in elevation (390 feet). Within 50 miles contains only modest variations in elevation (948 feet).
The area within 2 miles of Mankato is covered by grassland (52%) and cropland (48%), within 10 miles by grassland (54%) and cropland (45%), and within 50 miles by cropland (61%) and grassland (39%).
This report illustrates the typical weather in Mankato, 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 6 weather stations near enough to contribute to our estimation of the temperature and dew point in Mankato.
For each station, the records are corrected for the elevation difference between that station and Mankato 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 Mankato is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Mankato and a given station.
The stations contributing to this reconstruction are: Blosser Municipal Airport (32%, 55 kilometers, southeast); Hebron Municipal Airport (24%, 67 kilometers, northeast); Hastings Municipal Airport (15%, 92 kilometers, north); Russell Municipal Airport (11%, 114 kilometers, southwest); Brewster Field (10%, 121 kilometers, northwest); and Hill City Municipal Airport (8%, 146 kilometers, west).
Time zones for aiports and weather stations are provided by AskGeo.com .