This report describes the typical weather at the Springfield-Branson National Airport (Springfield, Missouri, United States) weather station over the course of an average year. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Springfield, Missouri has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by forests (97%).
Over the course of a year, the temperature typically varies from 23Â°F to 89Â°F and is rarely below 5Â°F or above 97Â°F.
The warm season lasts from June 2 to September 15 with an average daily high temperature above 79Â°F. The hottest day of the year is July 25, with an average high of 89Â°F and low of 69Â°F.
The cold season lasts from November 28 to February 23 with an average daily high temperature below 50Â°F. The coldest day of the year is January 11, with an average low of 23Â°F and high of 41Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 9:37 hours of daylight; the longest day is June 20 with 14:43 hours of daylight.
The earliest sunrise is at 5:52am on June 13 and the latest sunset is at 8:38pm on June 27. The latest sunrise is at 7:41am on November 3 and the earliest sunset is at 4:55pm on December 8.
Daylight savings time (DST) is observed in this location during 2012, starting in the spring on March 11 and ending in the fall on November 4.
The median cloud cover ranges from 18% (mostly clear) to 64% (partly cloudy). The sky is cloudiest on January 22 and clearest on August 4. The clearer part of the year begins around May 27. The cloudier part of the year begins around November 11.
On August 4, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 78% of the time, and overcast or mostly cloudy 22% of the time.
On January 22, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 56% of the time, and clear or mostly clear 44% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around May 13, occurring in 47% of days. Precipitation is least likely around August 13, occurring in 34% of days.
Over the entire year, the most common forms of precipitation are thunderstorms, light rain, moderate rain, and light snow.
Thunderstorms are the most severe precipitation observed during 35% of those days with precipitation. They are most likely around June 12, when it is observed during 26% of all days.
Light rain is the most severe precipitation observed during 27% of those days with precipitation. It is most likely around October 10, when it is observed during 15% of all days.
Moderate rain is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around May 13, when it is observed during 8% of all days.
Light snow is the most severe precipitation observed during 10% of those days with precipitation. It is most likely around January 23, when it is observed during 15% of all days.
During the warm season, which lasts from June 2 to September 15, there is a 38% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of thunderstorms (59% of days with precipitation have at worst thunderstorms), light rain (24%), and moderate rain (12%).
During the cold season, which lasts from November 28 to February 23, there is a 42% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light snow (29% of days with precipitation have at worst light snow), light rain (21%), moderate snow (13%), and moderate rain (11%).
The likelihood of snow falling is highest around January 18, occurring in 25% of days. The season in which it is relatively likely for snow to fall spans from November 15 to March 19.
Either snow rarely accumulates at this location or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 43% (comfortable) to 93% (very humid) over the course of the year, rarely dropping below 25% (dry) and reaching as high as 100% (very humid).
The air is driest around April 9, at which time the relative humidity drops below 52% (mildly humid) three days out of four; it is most humid around June 2, exceeding 90% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a year, the dew point typically varies from 16Â°F (dry) to 70Â°F (muggy) and is rarely below -2Â°F (dry) or above 75Â°F (very muggy).
There are two periods in the year that are most comfortable: The first is between April 17 and June 7 and the second is between September 6 and October 21. The air feels neither too dry nor too muggy during these periods.
Over the course of the year typical wind speeds vary from 1 mph to 18 mph (light air to fresh breeze), rarely exceeding 26 mph (strong breeze).
The highest average wind speed of 11 mph (gentle breeze) occurs around March 27, at which time the average daily maximum wind speed is 18 mph (fresh breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around July 22, at which time the average daily maximum wind speed is 13 mph (moderate breeze).