This report describes the typical weather at the Cedar City Regional Airport (Cedar City, Utah, 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.
Cedar City, Utah has a cold semi-arid steppe climate. The area within 25 mi of this station is covered by shrublands (50%), forests (30%), and grasslands (17%).
Over the course of a year, the temperature typically varies from 18Â°F to 89Â°F and is rarely below 4Â°F or above 96Â°F.
The warm season lasts from June 6 to September 13 with an average daily high temperature above 79Â°F. The hottest day of the year is July 10, with an average high of 89Â°F and low of 59Â°F.
The cold season lasts from November 20 to February 29 with an average daily high temperature below 50Â°F. The coldest day of the year is December 24, with an average low of 18Â°F and high of 40Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 9:34 hours of daylight; the longest day is June 20 with 14:46 hours of daylight.
The earliest sunrise is at 6:10am on June 13 and the latest sunset is at 8:59pm on June 27. The latest sunrise is at 8:00am on November 3 and the earliest sunset is at 5:13pm on December 5.
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 4% (clear) to 39% (mostly clear). The sky is cloudiest on February 20 and clearest on September 20. The clearer part of the year begins around May 6. The cloudier part of the year begins around December 4.
On September 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 85% of the time, and overcast or mostly cloudy 15% of the time.
On February 20, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 47% of the time, and clear or mostly clear 53% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around August 13, occurring in 42% of days. Precipitation is least likely around June 7, occurring in 24% of days.
Over the entire year, the most common forms of precipitation are thunderstorms, light snow, and light rain.
Thunderstorms are the most severe precipitation observed during 36% of those days with precipitation. They are most likely around August 7, when it is observed during 36% of all days.
Light snow is the most severe precipitation observed during 33% of those days with precipitation. It is most likely around January 6, when it is observed during 24% of all days.
Light rain is the most severe precipitation observed during 17% of those days with precipitation. It is most likely around May 11, when it is observed during 10% of all days.
During the warm season, which lasts from June 6 to September 13, there is a 34% 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 (80% of days with precipitation have at worst thunderstorms) and light rain (14%).
During the cold season, which lasts from November 20 to February 29, there is a 33% 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 (64% of days with precipitation have at worst light snow), moderate snow (14%), and light rain (12%).
The likelihood of snow falling is highest around January 21, occurring in 30% of days. The season in which it is relatively likely for snow to fall spans from October 29 to May 8.
Either snow rarely accumulates at this location or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 14% (very dry) to 86% (very humid) over the course of the year, rarely dropping below 8% (very dry) and reaching as high as 98% (very humid).
The air is driest around June 23, at which time the relative humidity drops below 16% (dry) three days out of four; it is most humid around January 8, exceeding 81% (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 11Â°F (dry) to 50Â°F (dry) and is rarely below -2Â°F (dry) or above 60Â°F (comfortable).
Over the course of the year typical wind speeds vary from 0 mph to 18 mph (calm to fresh breeze), rarely exceeding 27 mph (strong breeze).
The highest average wind speed of 9 mph (gentle breeze) occurs around April 19, at which time the average daily maximum wind speed is 18 mph (fresh breeze).
The lowest average wind speed of 6 mph (light breeze) occurs around January 13, at which time the average daily maximum wind speed is 12 mph (moderate breeze).